How to replace and bleed your power steering pump. (SC430 pump on a GS400)
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- čas přidán 26. 08. 2024
- MERCH: forward-moment...
PARTS and TOOLS
-Mechanic’s tool set
-02-10 SC430 3UZ PS Pump
-Any DEXRON II or III; TOYOTA Type IV works too
-Feed and suction hoses, if needed*
*I used this off-brand suction hose
www.ebay.com/i...
-Cleaning agent safe for reservoirs
-Drain pan
DESCRIPTION
Welcome to the ultimate DIY journey of steering excellence! In this video, we're diving into the process of enhancing the steering performance of a Lexus GS400 by installing a newer, low-mileage power steering pump from a Lexus SC430.
Join us as we take you step-by-step through the installation process, showcasing the meticulous details to ensure a seamless upgrade. Experience the transformation firsthand and discover how this newer, low-mileage SC430 pump breathes new life into the GS400's steering system.
Whether you're a seasoned DIY enthusiast or a first-time tinkerer, our comprehensive guide provides valuable insights, tips, and tricks to make the installation smooth and efficient. Say goodbye to dated steering components and hello to modernized control with the power of a newer, low-mileage SC430 pump.
Don't miss out on this opportunity to elevate your driving experience. Hit play, grab your tools, and let's enhance the steering excellence of your Lexus 2GS together! If you find this video helpful, don't forget to like, share, and subscribe for more exciting DIY automotive content. Happy driving!
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I'm finally replacing the PS pump, and when I tried to pull the in and out tubes off of the oil reservoir, they were rock hard. I could not even tip the reservoir over like you did to drain the oil out! I heated up the tube ends with a heat gun to remove them; carefully! A new reservoir is $300! Because the "soft" lines are rock hard, I will replace all of the lines. I had to drop the rack to remove the 2 banjo bolts on the rack, but I spray painted a patch at the rack-mount joint, in hopes I can line it back up without moving the steering wheel out-of-center.
Before I started, I of course came back to your channel to watch your awesome How to replace and bleed your PS pump video! Thanks again Christian!
Hey Chris, Collector Car Feed did a video on AutoZone's price gouging yesterday. He recommends RockAuto and they in-fact do have cheaper prices. Going to be doing the LS 400 brake upgrade on my GS 400 in 2 weeks once the parts come in!
Autozone are crooks on some things! Pisses me off. RA is decent. Thanks!
make sure to get RCA's or prepare do some light fab to get them to fit
Do watch for your wheels too and make sure they do clear. I ran the F Sport wheels 18x8 +45 and they like barely cleared, but rubbed my caliper and you can see on my wheel on the back until it cleared itself
@@kobiemangala950 @totallynotbill1834 Hey, just FYI I have 18x8 IS 350 wheels currently. I bought 5 mm hub centric spacers for now. I also have new wheels on the way with mid discs but I still bought 10mm spacers for those just in case.
@@GrapeFaygo959 yup, got those! just waiting on the brakes!
Thank you for the fantastic DIY video Christian!
I'm finally replacing the PS pump in my '00 GS400, in hopes that 1. My steering gets much lighter, and 2. The steering wheel returns to center through a turn, which it no longer does. I have to manually turn the steering wheel back to center. The pump has been whining for some time, not loudly, but audibly. I hope the brand new $400 pump from Longo Lexus does the trick.
I've also been adjusting the preload screw on the rack for some time, trying to solve the steering wheel vibration at 70 mph, and that seems to help, but it makes the steering even harder. Since so many 2GS owners report that the steering is very light in their cars, I'm hoping the new pump provides enough pressure to make the steering light, return to center, and maybe even dampen the steering wheel vibration on the highway on my 2GS.
Hey! I’ll have to research what the lines do. I believe it’s related to idle up when engine speed is low. A new pump should help restore your steering feel. Regarding your vibration it could be bad caster arm bushings. Have you replaced those yet? My next episode should be on that, but it’s going to be a few weeks. 😎
@@ForwardMomentum Replacing the caster arm bushings was my 1st mod/fix. When I pushed them out on a hydraulic press, I found the OEM rubber was still good. Next, the PU bushings seemed like an improvement, in that they have reduced deflection versus OEM rubber, but it did not stop the steering wheel vibration, which only happens at 65+ mph (high engine rpm). What I've noticed is, if I grab the vibrating steering whee firmly with 2 hands, the vibration stops. I believe mild tire vibration is hitting the resonant frequency of the steering shaft and wheel, causing the steering wheel to vibrate greatly at speed. I'll test the theory by taping weights to the steering wheel, and see if that changes the natural frequency, therefore canceling the resonance at speed.
I'll replace the pump this Spring, when I have more time. I purchased a new pressure line too, and all new soft lines.
I look forward to seeing ForwardMomentum's thorough video instructions :)
I'm also going to make and install a drip pan/shield between the PS pump and my expensive 200A alternator, before the new pump goes back in. I may also pack some nasty ceramic insulation behind the alternator, which sits in front of the exhaust manifold (log), to keep the heat down.
Great idea!
SC430 is running on 3UZ, the question is - can we fit the pump from LS430
Just compare PS pump part numbers. I use Toyo DIY to do that.
Why after replacing the power steering pump does the steering wheel still feel stiff ?
Perhaps the stiffness wasn’t caused by the PS pump to begin with? It could be the rack, tie rods, LBJs…
Have you ever thought of converting to an electrical power steering pump?
Yes, but it would require the delete bracket, new belt, e-pump, and wiring/programming ability to ensure the feel was correct. After adding all that up, it wasn’t worth it for me, especially since I did this for $85 USD.
is there anything specific between the 2 pumps? like are the 3uz ones more reliable or is the leaky reputation from the 1uz pump still apply? just wanna know why you went that route due to my leaky 1uz pump killing my alternator lol
No difference aside from it being a newer pump.
I finally installed the new PS Pump, and I have a question about the banjo bolts. Is it required to add the copper washers over the silver gasket "cage"? The service manual just shows the silver gasket cage, so I didn't add the copper washers.
Also, my brand new Toyota PS Pump came with a bolt installed where the vacuum lines connect to the pressure switch, and the bolt is fully torqued, so I'm blocking off the 2 vacuum lines as well.
No, copper washers are not needed if you have the “cage” washers. Sounds good on the block off. I have been running mine like that for a while now with no ill effects. 👍
@@ForwardMomentum Great, thanks again Christian! 4 weeks of driving on the new PS pump and lines, and no leaks! The steering wheel vibration resonance at 70+mph is also finally gone!
I also just installed front steering knuckle RCA's (Roll Center Adjuster) spacers from Figs this weekend, and they seem to have solved the hard-steering problem! Steering effort is about %50 better with the spacers, and I also have the steering ECU potentiometer installed, so I can dial back the hydraulic assist on the freeway.
Performing the steering ECU hack would be a cool FM video to see!
Why would you do a vacuum line delete and how do you decide you don't use them?
Because I never put barbed fittings on my supercharged intake set up, I never used the lines. I felt no difference while driving the car in how the power steering feels. Thus I don’t use the lines any longer.
@ForwardMomentum If i have everything stock, is it a good idea to do a Vacuum delete too or reapply those lines?
I would keep it all stock. There’s no real benefit to delete those; for me it was just convenience.
would this work on a GS430 or would it have the same SC pump since it’s a 3UZ?
Should be the same, but you can use this cool site to verify: www.toyodiy.com/parts/q.html
Are you still using the original steering rack?
Yes
Is it possible just the hoses are causing the leak but the unit is fine ?
That can happen, yes. In my case the unit was old, so I just wanted it gone.
@ForwardMomentum Are both those hoses coming out of the reservoir the same?
@aquamatt no, different pn’s.
@@ForwardMomentumI already bought the first hose in the description do you know where I can get the other hose, mine are hard as a rock and need to be replaced.
The dealer of course, or you can make your own by cutting the correct size to length at almost any auto parts store. 👍
not sure if you made a video on this before, but whenever i accelerate hard my abs, vsc, and vsc off lights go on just wondering what might cause that
Have you scanned for codes?
@@ForwardMomentum no i have not i dont have the tools for that atm
Start by scanning and see what you get. You may need a scanner for wheel speed
Sensors as well.
alright sounds good thank you @@ForwardMomentum
My ABS/VSC light started to turn on a while back. I found that it was the connection to the sensor, located somewhere under the arm rest, IIRC. Joggling the plug solved the issue, and the light hasn't turned on since.
Techstream will tell you if you have codes, and help you troubleshoot it.
There's also a mod to add a switch to the ABS/VSC light, so that you can drift around with the control off, and the light is also off, so that it no longer annoys you to see it on.
Is the pump you used OEM? Where can we buy?
Yes, OEM. Got mine off eBay.
What year
Sc 430
02-10
How come you didn't use a Aristo with 40,000mi on it or is the SC better
@@kaliehulumamogrant703 two different engines.
shop quoted me 900 for this
Dang!
Try Longo Lexus