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97 altima idle air control valve replacement
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- čas přidán 19. 01. 2015
- hope this video helps you guys out.
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You did a good job on your video, You mentioned replacing the spring clamp for a hose with a screw clamp. The reason spring type clamps are used is so they can expand and contract a temperature changes. Over the log term the fixed tension screw clamp will get loose and may leak. tightening the screw and the thermal expansion and contraction will eventually make the rubber hard and may crack. So using those spring clamps that seem cheap is better for hose life. Screw clamps are also available with built in springs.
hey thanks for the comment Mike. yes i agree with the spring clamps and what they are meant for. i choose to use screw clamps for myself because it just becomes easier to access in the future
I just wanna tell you thankyou. Because of your video I was able to replace my IAC valve by myself and save myself money that I can use for my family instead. Thank you!
+Mr Hanzel your welcome my friend. this is what im here for. let me know if you have any other automotive needs
+Motorsport Factory dont forget to subscribe and join me on facebook. stay up to date on what we are doing and stay tuned for contest and giveaways
+Motorsport Factory So I installed new idle air control valve and the new one is whistling loudly??? why is this? aside from that, my car is still idling wrong though before I installed the new one I took off the old one and cleaned it and it worked great for one day. so why am I not getting the same results from the new IAC ?????? please help!
you could be having other issues. that may not be really coming from the iac. things to check is do you have a cel?.... its really hard to say whats going on with your car without diagnosing it. because if you are getting same results from either iac... also make sure that the iac is adjusted correctly too. ill help as we go along with this
the other thing is did you use a new gasket? if not then thats probably why its whistling more . also check other things such as tps sensor,oil in the distributor.
this was very helpful my 95 Nissan Altima keep cutting off i changed my water and fuel pump, fuel filter, and still cuts off. now i have a new job to take on .I love the challenge.Thanks for the Help.
+Patrisha Greene Sr. your welcome . also besides doing this also check the distributor. that could be another issue. please subscribe to my channel and join me on facebook .
facebook.com/Motorsport-Factory-199452093456686/
i will make more video for the altima soon
Motorsport Factory
thank you, my Altima is a 96, kinda old but i like it cause we have never had a problem with it until now, it really deserves to be fixed, the egr is good now it was a bad vacuum hose
+Rafael Moreno thats good!! sometimes it just simple things that need to be replaced. never just throw parts at it. a simple hose thats broken can cause a problem like that.
please remember to subscribe and join me on facebook for monthly giveaways. that can be anything from mugs to shirts to magnetic drain plugs .
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Your IAC has the "square" mounting flange. There is also a version with a smaller rhomboid shaped flange requiring more disassembly in order to have clearance to the upper bolt closest to the head.
I have 99 Altima Se 2.4 just got it as a beater/ my kids first car. Had a smoked clutch with 166k. It ran great when I looked at it but wasn't able to drive it. It has a check light on and I didn't check it before disconnecting the battery. I have since got it running and drove it for five laps around the neighborhood and now it idled down really low and shuts off after it is warmed up. I have checked for vacuum leaks with starting fluid shots and none were found. I was
Hi there, my Nissan Altima 97 sat for a month with a full tank on gas while I changed the faulty water pump. (Gov work outta town couldn’t do it immediately) before I replaced it the car wouldn’t start. I replaced the wp and replaced the valve cover gaskets because there was oil in the spark plugs 1 & 4 and there was some gunk on the
On the coils. It wants to start cause it cranks and turns over a little bit but don’t know what to do now. The analyzer I have shows the code P0505 could you reply back thank you
@@prime_era_kills3901 that code sounds like a idle air valve. it could just be plugged up and needs to be cleaned out. or replaced. but also check other components that can be an issue like distributor to injectors just to be on the safe side
1st you should have started it and let it run with the problem. then after the Fix you should have done the same to show that it is running better.
But thanks for the video this might be my problem going to try and do the reset 1st.
i know i really wanted to do that. to show the problem areas that cause this. but i had so much going on i just focused on the repair it self. but next time i work on one of these im gonna make a version 2.0 of this with better camera gear etc. and will go through the diagnostic and testing process and then replacing it
thanks for the video .I have a 98 altma it was doing the same thing .I changed it out works great now .thanks for the video .
hey your welcome. im glad the video was helpful to you
What was the issue ???
@@ricchhhboyzzz6145 the idle air control valve was bad so I replaced it
Wish I had found this video sooner! 😅
Thank you for sharing.
yeah this was first video i made. i spent couple days on it to make sure i did it the best of my ability at the time. i have a better way to make this a better video next time. i will make a 2.0 version of this. so it will include the pcv at the same time
This project has been a good reminder why access to service literature/diagnostic procedures are so important. I’m looking forward to adding it to my arsenal. It’s not cheap!
@@mr_7932 it sure it. there are cars that are worse . its pretty much a whole week project when it comes to certain things
What was wrong with it? Why did you replace the IAC? My Nissan stalls when I turn on the AC.
@@urielmunoz1011 well i did notice it was clooged with carbon. main reason why i changed it was cuase car started hesitating on acceleration. but come to find out i had to change other things too like the distributor and stuff. if you having these issues check plugs,wires, cap, rotor,distributor,check CEL codes ,check for vacuum leaks
thank you so much for your super fast response, good video, very helpful
having the same issue noticed u mentioned a coolantbsensor is on the valve,would that explain why my coolant gauge fluctuates back in fort with the rpms? and if so is the part bad or just the sensor?
well you have to test everything to see what is really causing it. its really case by case . it could be the sensor itself. but i believe i said the coolant sensor is by the valve not on the valve itself. the main things to look for is vacuum leaks,check ignition system, fuel system, mas sensor, check to see if you have stored codes. its best to diagnose the car before replacing anything
I wouldn’t have used carb cleaner to clean it, I would put this in the ultrasonic machine and it will look like brand-new
yes you are right but at the time i didnt have anything like a ultrasonic cleaner. yes that would have done a better job.
@@motorsportfactory I bought my ultrasonic machine from Harbor Freight Tools for $80 and returned it two months later
@@Ben-Hawy i take it didnt work well or just needed it for a job. ive done that before where i just needed it for a few jobs and then returned it
Hi, I got a 98' Altima and it has a lot of problems like you mentioned, vibration, the AC didn't work properly and sometimes the car wants to shut down, do you know if the same steps needs to be done to replace the IAC on the 98' model? sorry for my English
every car that has the same issues may not be all coming from the same area. always check everything on your car to verify what it could be. check for all ignition parts to make sure they are in working order, check the fuel system ,check for stored codes , if you have a check engine light then check what those codes are then go from there
Have a 96 Nissan Altima need to idle air control valve and I'm having putting from the exhaust don't know why need help figuring it out
Super helpful, thank you so much.
Very helpful video, my 95 Altima reports the 505 error code too. I had a very bad time figuring how to remove IAC system to clean it up (before viewing your video), when I did it, I took off the oil filter to make more work space, I am wondering if It was not necessary. I understand idle state problems you mentioned, but my car also experiences a lack of power mainly when driving up hill. Might it be related it to IAC fault too?. I have changed sparks and its cables, there are no other error codes. Thanks for your help.
+Oscar Badilla taking the oil filter is fine. no need to worry if you take it off or not. taking the oil filter and the filter housing is good to take out when you want to change pcv valve . thats when you will really need space. if your lackin power is probably anything from needing tranny fluid flush or clean mass air flow. change the fuel filter if you have not done it. if you do decide to change pcv valve make sure to change the o ring in the filter housing or use rtv .or you might need new timing chain.
+Motorsport Factory . Thanks for your advise, you mentioned many important points, so I would like to talk about each one:
1-Automatic Transmission. I have already changed trans fluid recently, I removed pan and found two dirty magnets in it. So I cleaned it all, I didnt find any oil filter, should it be?. Oil didnt smell burned. Problem I have is that when I shift from reverse to drive or viceversa trans takes little time to react (get traction) and if you press accelerator pedal when change, you will hear a hit in it.
2-Fuel Filter. I will change fuel filter.
3-Mass Air Flow. Please advise how to clean MAF sensor. The original one had to be replaced time ago with a used part. I experienced intermittent lack of pwr that time, perhaps it is faulty again.And I think this is the main suspect.
4- PCV valve. It is hard to reach according to I have read and it is reachable only from below, so I would like if you can tell me some hints to verify if it is malfunctioning before trying to replace it.
Now you know I love this car, It is an Altima 95 SXE. thks again.
the auto tranny filter is mounted right above when you take the tranny pan off . you can see it.
here is link to show what it looks like
www.partsgeek.com/gbproducts/DC/6668-05384114.html?DN&+Nissan+Altima+Automatic+Transmission+Filter+Kit+Pronto+PTK1234+93-01+Nissan+Automatic+Transmission+Filter+Kit+1995+1997&fp=pp&gbm=a&PartsGeek+Google+Base&gclid=CjwKEAjwgbG5BRDp3oW3qdPiuCwSJAAQmoSDeGD_h4lEuL2L2Tqt9Dd_Xbz9iDhUCGg8IJhtA8FAzRoCFLHw_wcB&ad=47584901292
to clean mas air flow you must use only mas air flow sensor cleaner. do to specific materials the mas air sensor is made of. the cleaner is specialy made for cleaning that.
link to cleaner
www.zoro.com/crc-electronic-cleaner-16-oz-aerosol-05110/i/G2052416/?gdffi=047ada998cf641fa93e55ae8579df863&gdfms=FD1B86B6A6D14888A68D5EBA7AB06C81&gclid=CjwKEAjwgbG5BRDp3oW3qdPiuCwSJAAQmoSD38mQTdRbwPfHCbHQw5nNNOvsX6SNkH9jKK7FDf23PhoCtUPw_wcB&gclsrc=aw.ds
to get to pcv just follow my video after taking out the idle air valve. then just follow the video. i didnt repeat the steps in the removal of the idle valve cuase it would be to much time. so follow this video and once you get to taking it off then follow this video on removing it
czcams.com/video/roQVp3RzYgw/video.html
do replace the pcv while your doing idle air valve its much easier and not have to work twice . so while iacv is off just work on the pcv too.
also your car may need tune up if never done.
have the timing chain also inspected . that may need replacing too.
hope all this helps
Great video If I turn on my air conditioning and or just the fan the engine dies is this the cause also? please advice thanks!!
it could be. but it always better to diagnose the car . just cause the symptom is the same dont mean it caused by the same issue. check for CEL codes. check vacuum leaks. and go from there
i was actually looking for a video for my 95 altima for this exact issue...is the procedure the same for a 95 as it is for a 97?
+stephen lee yeah 93 to 01 should be the same .
Very nice....thank you.
your welcome sir. please subscribe to my channel. ill be making more stuff for the altima soon. and please join my facebook too. once i reach 100 subs i will do a giveaway
did you have to take out the oil filter i have a 96 altima and i need to do this i hve the part and ll the tools just not sure if i have to take out my oil filter so i can get more work space also figured id change the pcv valve while im in there
it can be done without taking out the filter. as i did in this video. but you can take the filter out . to get more access to the big hose thats attached to the iacv .and yes i have a video also on taking out the pcv. just follow the step to taking this out and you can see the pcv .
I am sorry but hit post button by mistake. To continue. Is this a similar symptom you were having with your car?
yeah that was one issue. check the distributor for oil build up. take cap off and see. also check fuel pump and injectors. also fuel filter. sometimes the basics is all it needs
Was your car stalling, mine has been stalling randomly coming to stop signs ,stoplights etc, I put a new fuel pump ,new fuel filter, new crank sensor, so now I'm thinking it's the idle air control valve, any suggestions
yeah it would hesitate and stall. yes test out the idle air valve and also check injectors to the distributor to. . the dist will sometimes have oil built up in it
MAP SENSOR, CONECTOR DAÑADO, TENIA ESE PROBLEMA
I would have liked to hear it run after the installation. Thanks for sharing.
i do apologize for not doing that. the main point of the vid was on replacing it
@@motorsportfactory where did you buy you Idle air control valve?
@@Stevendagr8 i got mine from autozone
@@motorsportfactory Thank you for the video. I am at the point where this part is no longer available anywhere here on the California or online. Try one from the junkyard (cleaned it well too) and now the idle fluctuate like crazy. Any suggestions? Thanks again
@@felixcervantes7215 so you cant find it at all?... also check other things like the distributor. and other cel codes
Have a 96 Nissan Altima replaced a lot of parts at 260000 miles it's got a header exhaust straight pipe new distributor n spark plugs wires replace the fuel pump and screen car sputtering while idling from exhaust need help
do you have check engine light codes on? check those first.
I finally got the IACV on and seems to be working ok CEL is off but idle is a little high, should be between 650 and 750 rpm. but it's like 900 rpm. Any advice on how to adjust the idle down. I'm thinking the IACV is preset but I don't know. Can you advise me on what to do? Thank You for your help.
+Hubert Goins hey Hubert if you seen right toward the beginning of the video right where i went in to show where the iacv is you can see the black screw right?..... thats your adjustment. i was thinkin the same thing when i first got mine.
have another person with you to help monitor the idle, to see if its goin up or down when adjusting. and turn it slow so you dont stall or have it revving to high. i believe you turn it counterclock wise to bring it down some. let me know if this helps
+Motorsport Factory It's been a month,idle still seems high and can't lower it, CEL is still off but still reading bad knock sensor. I was wandering if it is possible to relocate the knock sensor to a different spot on the engine and where does the knock sensor wireing connector plug in and can you get to it from top side (under hood).If so please let me know. And again thanks for your response on the IACV issue.
+Hubert Goins stilling having high idle. hhmmmm you may have some thing else going on like check for vacuum leaks. change that knock sensor when you can . i will make a video one once i have a change on how to replace knock sensor .yes im sure it is possible to relocated the knock sensor but i havent done it yet. there are people saying that you have to remove the intake manifold to get to knock sensor but i think it can be done from under the car like we see in video. also check to see if you have oil in the distributor by taking the cap dist cap off. you did also change the iacv gasket when you were replacing it right ?
+Motorsport Factory I did replace the IACV gasket didn't see any leaks. The knock call for five hours labor, it looks likr a worst job than the IACV, sure hoping it can be moved. Appreciate your help.
yeah the 5 hours is with that if you were to take the intake manifold off . but i will work on a video sometime this week or next week to help you guys out.
I am trying to install my iacv by myself and I'm having a hard time, did you take the bottom hose completely off and reinstall it after you bolted the valve back on. Which bolts did you put on first? Please help I'm having the hardest time lining everything back up, I'm not the best mechanic but I couldn't afford to have it done in a shop. Please help, I need my car. Thank you!
+Hubert Goins as far as the bolts i started with putting the bottom bolts on. and at the same time getting the 2 hoses on as well.the longer hose has plenty of slack. the short one does not. the longer hose can be taken off while still bolted.the short one and the bigger diameter hose can only come off as you take off the iacv. ive also learned a little hard way to take off the bottom larger diameter hose. if you take the oil filter off along with the filter adapter block you will have more clearance to the large diameter hose clamp. but do know that if you take the oil filter block off you will need to replace the oring seal that sits inside it. i will be offering that seal soon.. while you at it you can access the pcv valve also .
here is the link to that video too if you wanna do the pcv.
czcams.com/video/roQVp3RzYgw/video.html
i hope this explanation helps. if it does please let me know. and dont forget to subscribe and join me on facebook
+Motorsport Factory Thank you for your quick response, I'll try that. I'm 62 and an amputee which doesn't make it any easier, also your video was the only one I could find. It actually took me four days to get it off, OMG LOL. Anyway thanks again!
+Hubert Goins no problem. i understand your situation. also remember to replace the gasket too to prevent leaks. and it was also a bit hard for me to , to record and working laying on my back. i wish i had a lift but i dont at the moment . never worry about rushing. always best to take you time and do it right the first time
hey buddy I know there's some kind of adjustment screw on The Idler sensor is there any special procedure on how to adjust the idle
best to have the car running again and wait till its warm and see where it sits and adjust it from there
Thank you very much for responding one more question do you have to disconnect the throttle position sensor when doing this
no.
Ok thank you very much
hi, i know this is a year old but I'm just wondering, what does the iac do? what are the simptoms of a bad iac? thanks in advance
+Rafael Moreno The main function of the IAC valve is to ensure that your vehicle idles smoothly. However with a bad IAC valve, this idling will be rough. You will experience heavy vibration (shuddering) when you idle the car. As the valve has gone bad, there will be no/very little air flow to the engine, when you idle the car. Thus, your car will shake, vibrate, and may also make a loud noise while idling. Due to this rough idling, the next time you start the engine (the car), you will notice that the car stalls immediately after starting. Your car's IAC valve might be clogged with carbon debris, and due to this, the valve might not open sufficiently enough to let the air to pass through it.
Under normal conditions, when your car is idling, if you turn on the AC or heater, your vehicle will still idle smoothly. However, if the IAC valve is faulty, your engine will stall the moment you increase the load (AC or heater) on an idling engine. You will also experience a drag on the steering wheel once the AC is switched on. To restart the engine in such situations, you should turn off the load and wait for few minutes for the engine to cool down before you crank it up again.
are you suppose to readjust. the iacv when you put it back on
sometimes the come preset. but you have to check the check the car after its warmed up to see where it idles
ok man thank you so much for responding
Gracias
you are welcome
i have a 95 altima and it makes a slight knock when it idles what can be the problem and how do i check it
first thing is .do you have a check engine light on?if so start checking the codes and go from there. check the timing chain to see if its off.
What was the symptoms to determine it was the faulty valve ? I have a 1999 Nissan Altima with 240,000 miles.
eractic idle. stalling, hesitation... but there are other components that cause the same issue . thats why you have to diagnose it before changing anything. check your codes first. even if you have no check engine light on,codes can still be stored in it
How did you know the idle air control valve was bad. My 97 Altima is a knock sensor.
they way it was acting up and the code for it. did also voltage test.
by the way my altima seems to run normal, no apparent problems with the IAC but i smoged it and fail code p0505 "idle control system malfunction" and p0400 egr flow malfunction;:-(
+Rafael Moreno let start with simple stuff first like check vaccuum hoses. you can clean the egr valve with carb cleaner to see if that helps. if you have a check engine light on ... they will fail it. so you have to have no codes to make sure it dont fail smog .you can also try cleaning the iacv and also check the wiring for that part and the rest of the wiring to the engine cause you never know where the problem can be
also please subscibe to my channel and facebook. the link to facebook is in the link of video. i will be making more stuff for the altima soon
I had my change few weeks on my 97 Altima but now the car runs like crap. I took it to a mechanic he said he change it but I think he just cleaned it. Car idles rough when I am at a stop turns off few times. How foni know he just clean it instead of changing it
you should be able to tell from the body of it. does it look newer or the same as the old one. its always best to diagnose the care before replacing the part
Map sensor connector quebrado
do you know where the IAC valve is on a 2003 Nissan Altima ?
is yours a 4 cyl or 6 cyl?... for 4 cyl it should be same area. im not to sure on the 6 cyl
Motorsport Factory it is a 3.5 6cyl
sorry for late response. not sure in the v6 models. try google and see if they show anything
hey, there! got a question. My 99 altima died on me on the freeway. 65mph I tried to accelerate and no response, so I pulled over and died completely. towed it home and tried to start it again and turned on, but when I start to accelerate it stalls. Checked fuel pressure and its fine. did a compression test and found 60psi on all cylinders. It has spark. So the car won't start anymore, cranks but won't start. Any suggestions? also no check engine light. sorry for my English.
well the psi itself tells alot .. you need to have at least 120 psi for good compression. also check your alternator too.
where did you order the new Idle air control valve? i can't find one
Cameron Claxton try autozone thats where i got mine from. comes with lifetime warranty
hey it from 1aauto.com good price n good ppl
do you have to Jack the car up to do this
yes you do. thats the point of being underneath the car to get the brackets out of the way. if you can get a lift and do it .this would be much easier.
Will the Idle Control Vavle also cause the Knock Sensor to go off?
no that itself is different issue
Where is the idle adjustment screw??
+Banjo Brady right toward the start of the video when i put the camera in to show where the control valve is. there is a black round thing with a phillip head that can go on it. thats where it is
why did u get under the car
+Ryan Pentz in order to get to the bracket at the bottom and to remove the hoses .
+Motorsport Factory okay I was going to clean mine today but I have 2000 and idk if I have to remove it or not.I didn't have a way to get under my car yet.thanks for replying
yeah just watch the whole video and you will understand. and if there are things you dont understand i will do my best to help you. i will in the future make a better version of the video. but its just hard to hold a camera and work on a car at the same time
le prix