Solving the Mystery of the Mazda 626 Brake Problem | On The Ramp
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- čas přidán 12. 03. 2024
- #mechanic #brakes #mazda
A viewer bought me a Mazda 626 with a weird brake problem. Sometimes the most simple explanation is the right explanation, but it still takes a while to get to it!
(and yes, I know it's not physically on the ramp)
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Thankyou again for sorting that for me, last time I trust Ebay for callipers.😅 Or a H place. I can't complain too much a they still passed the MOT enabling me to get it to you. But at the same time they could have changed the other calliper rather than stating they didnt know what was wrong and letting me go on my way! #Ethics #silver lining?...
Probably figured it wasn't worth the hassle trying to figure it out. Their business model is volume. Get as many cars in and out as quick as possible. Doing diagnostics on a single car all day doesn't really fit their model.
Glad it’s fixed but I can’t help thinking that if “the customer” had been fully interrogated at the start as to what the whole story was regarding the sequence of failures and replacements then the actual solution would have been pretty obvious or at least logical !
Clearly there was something iffy with the old new (?) callipers.. maybe some mismatched components caused them to fail early ?
@@johnmoruzzi7236 In those "volume" places with flat labour rates that make more money on percentages than quality work there's often a completely unqualified but el cheapo person responsible for parts orders. They can find numbers following exactly one path they once were showed. Change of production procedures and parts during factory summer-shutdowns (holidays) of any same year, recalls at a certain date with subsequently slight changes in part designs, all those quirks and knowledges aren't that el cheapo's cup of tea, and how could they for that kind of money?
Which leads to this kinda problems often. Another vivid well of trouble is chinesium parts off Ali .... or chinesium quality sold by after market chains as "spare parts". Mechanics not knowing their ways along basic working principles like starting a screw by hand, using power-tools or airpressure tools instead and ruining hundreds of Euros or Pounds worth of spares in a splitsecond that way are also a common thing at the el cheapo places.
Failfords are abysmal! Recently had four new tyres fitted by them. They handed my car back with so much tyre soap over the wheels and tyres I thought they had fitted white wall tyres by mistake. The “technician” then told me the TPMS light was on despite them trying to reset it, and that it was probably a faulty sensor!!! On arriving home and not trusting their “highly trained” technicians, I loosened up the wheel nuts and re torqued to the correct spec. On doing this I found none of the locking wheel nuts to have been tightened beyond finger tight! On checking the tyre pressures I found they were under inflated hence the TPMS light on dash!
Mazda 626, my favourite secret supply of bongo friendee parts!
Interesting. I didn’t know that.
I've got a Bongo too, didn't realise they shared a lot of parts, good to know.
Hahaha!
Good to watch " not a technician " a proper mechanic .
An old boy once said to me "Mechanics is 80% diagnosis and 20% spanner work". I can't say he was wrong.
Spot on!
Great seeing you at Rustival. The C6 looked glorious.
Im amazed that the certain service centre beginning with H couldnt sought this out! Theyre usually so full of professional expertise...............erm!
You are taking the wee wee 😂
Not a car I expected to see on this channel, but a welcome surprise, I love the 626.
I must admit, my guess was the handbrake mechanism. Was I proved wrong! Good work Kitch!
I was going to have a moan about your labour rate, but working out inflation on my old £48/hour for VW 25 years ago, seems perfectly fair.
Excellent work, love watching a proper mechanic at work and listening to the thought process
Can't beat a proper mechanic 😊
thank christ for a decent and very enjoyable and humorous video on youtube, dare i say unlike the rest which are so far up there own arse, when you have time, more videos please.
A proper auto mechanic is a real engineer, without question….. Halfrauds and their ilk are just parts fitters….there is a big difference and the two should not be confused.
Top drawer diagnosis and cure there Mr Kitchen! Wouldn’t have expected any less! 👍
Well done mate. When you introduced the fault, i too immediately thought "collapsed hose", but how weird. Nice detective work!.
After such detailed diagnosis, it would be more of a parts water pistol than a parts canon!
Very enjoyable to watch you solve problems, though you too interesting to help with insomnia!
If you are busy and customers keep coming back, your hourly rate is right ... if customers stop coming back or baulk at your bills ...
When I got my Morris Minor a couple of years ago, I booked it into a local "classic friendly" garage to sort out zero braking action together with a light recommissioning.
It had no brake fluid, they checked the wheel cylinders for leaks, but found nothing, so they refilled and re-bled it.
I drove it less than 10 miles when they failed completely again and all the brake fluid had gone. It turned out that they didn't check the master cylinder, which was the problem.
They wouldn't accept any responsibility as the brakes worked when I picked the car up... I ended up teaching myself how to fix it!
Enjoyed that, interesting that you gave a breakdown of the fault finding process.
I have never trusted the larger chain store style garages. Way back in 1984, I took a Mk1 Escort Mexico to have the rear tyres changed. On the way home my wife, who was driving, said that the back of the car felt light. When we got home, I let the car sit for an hour or so and then checked the tyre pressures on the back wheels. They were both twice the recommended air pressure. Straight on the phone to Kwik-Fit (yes, I will name them). Didn't even get so much as an apology for something that could have killed us both. Suffice it to say the likes of them have never had my custom since then.
The inside has a plastic spindle for self-adjust, and when the rear brakes got really hot, the plastic melts, and they dont adjust anymore and get stuck, had the problem on my 1980s Audi s!!!
First thought after only having watched the first minute would be a Bad Brake Hose but after watching for 3 minutes it wasn't.
Also about the Brake Master Cylinder: afaik all cars you come across nowadays have the front right and rear left brake hydraulics linked and the front left and rear right brakes linked,
Brake calipers like that are adjusted easily by pushing the brake down as far as you can and then pull the hand brake as far as you can a few times.
Had a similar issue on my XM before on the front right calliper after replacing the seals on it, had to order a remanufactured one after that and that fixed it...
That's just dual circuit brakes though, they've been around for years. What I meant was it'd need to have all four wheels independently connected to the master cyl, which I don't think I've seen before. It wasn't an adjustment issue, it was faulty. New one works fine.
It is amazing how many times new (or "nearly new") parts can be faulty. My field is electronics, and supposedly everything is tested, but over the years I've had quite a few parts fail in the same way as the original, and they are real head scratchers to troubleshoot!
Totally screws your thought process when it happens too, as it's normally the last thing you check when you've run out of other options.
By the way . When the piston moves out the end piece which butts up against the pad and locates with the nubs, or nuggets as you called them, does not rotate. Any rotation is within the self adjusting mechanism.. That is why the pad nubs and piston end orientations must match.
I like your methodical approach. I can learn a lot from you. Thanks for sharing and all the best.
We have had our 626 gsi 136bhp hatch for 19 years . In that time two sets of rear calipers a rear exhaust box,two rear abs sensors, two rear disks, one air con re gas, two batteries , cam belt , oil changes brake pads and tyres. The car is now on 185000. Still starts instantly , drives well , its our work horse. Every thing works on it as it should electric windows, roof,mirrors climate control,cruise control. The only problem is a bit of rust but not much. Maybe boring and anonymous but it works well.
See the joys of aftermarket parts...
Nice to have met you at Rustival
Great video,very interesting and informative
Great little tinkering and problem solving video. I too tend not to use Halfrauds, have had a couple of bad experiances with them one on the wifes car when in for a service and MOT, they decided to eat their lunch while servicing the car, picked the car up and there was like chips everywhere in engine bay! Recently took the Escort in for new tyre, normally use a scottish chain that was run by the former CEO of kwikfit, but they could not fit me in. Booked a pre-arranged appointment, 2 hours later i was still at the garage waiting with people coming in and getting taken before me. So i do tend to stay clear of Halfrauds.....😂😂
That was very interesting: especially following the logic of the investigation, where probability is balanced against cost of finding out (a principle I know trying to fix my computer problems: it's probably not a loose cable, but it's easy to find and easy to fix, so do that first). Until finally it's cheaper to just try a new part, rather than trying to find the exact fault.
That's it. Experience is judging when to switch from one stage to the next.
I had two Mazda 6's. They both had issues with calipers. I needed to replace the front pads on the most recent and I picked up a set from a motor factors. Got back to fit them, and they were too big! Had to rebuild the car in the rain and take them back. The motor factors insisted they were the correct ones according to the computer! Got some from elsewhere, which fitted properly.
Interesting problem solving with this one. Watch and learn fast fit centres that start with the letter H.
One my fav cars after years of Vw s box’s try to do front brake pads on lunch break big fail still loved till rust took hold hidden by mastic loved 2 litre petrol motor
An interesting one for sure. I had a collapsed flexi a couple of years ago, it kept the garage scratching their heads for a few hours as the flexi actually looked to be almost new!
Very interesting vid going through the thought processes of problem solving.
I had the similar issues with the nearside front caliper on my Xantia. It's got to the stage of replacing it every 2-3 years as it would fail MOT due poor efficiency or binding. Doesn't matter if it's cheap ebay or expensive motor factor caliper.
Brilliant 👌
Funny many people in the Capri club have reported bad calipers that were new or a few years old so many of us are having them refurbished what I did last year . Great you found the problem. £83 per hour is a good rate , not like the big main dealers 👍👍👍👍
Merc dealer near here is £160p/h!
Good work. I don't think that you did "throw parts" at it, as you systematically eliminated the quick and the obvious problems, and narrowed it down before considering parts.
I had a rear caliper with the same symptoms on my '92 Rover 216 GTi. The internal handbrake mechanism behind the caliper piston was faulty and wasn't self-adjusting so every time the brakes were applied, it wound out and forced the piston to clamp but not relax when pedal was released.
I reckon that's what this was doing.
My Mazda 626 handbrake stopped working because the dealership tightened the cable too tight. Sorry unlreated comment.
Haha these cars are very common in Australia where I’m from. I could have told you from the start to throw away the disc, calliper & carrier. Bit the bullet & chuck everything in the bin & start fresh with some OEM parts.
When I do brakes or any safety related stuff I always use genuine OEM parts. You pay a bit more but for me it is worth paying extra
For peace of mind I don’t want to have re-do something 6-12 months later.
Also when someone says another shop did this or that to a car I almost always know what ever was last worked on will be the problem.
Great job of deduction. Half the effort is trying to work out the sequence of events, and what other mechanics have done or not done. Must be infuriating. I have a mint V6 '93 model 626 hatch with 60,000 kms, that the previous owner just loved. They're great cars. Nice work, again.
I'm reminded of the time I discovered my then three year old Renault 18 had a Girling front caliper on one side of the car and a Bendix caliper on the other...
Haha brilliant 🤣
@@mr.slaphappy3794It came as a hell of a surprise to me when I wanted to change the brake pads! However, they never got done as I rolled it into a ditch just before I went to change them. Sad, really - first 'new' car I bought, saved up for ages to buy it :(
@HowardLeVert I did something similar as a young lad, thought I was Schumacher until I hit a JCB on the way home on night.... had to borrow more money from the bank, so was essentially paying for 2 cars for the next 4 years 😢
Remember when you used to buy a car and by the time it was paid for, it was worthless 🙄
Now they charge big money for old tat.....😮
I'd love to take that caliper apart to see what's going on with it.
Send me your address and I'll fish it out the scrap bin 😆
Good old Halfrauds.
LFA in the profile pic - I approve!
I went in looking for soldering flux 🙄. I might aswell have asked for a part for the space shuttle, they haven't a clue what they are selling....
My mondeo which shares alot of parts with mazdas had sticky brakes because the handbrake lever auto adjust had left the building. It was a nightmare to diagnose but the boys at TalkFord forum came to my aid when I was ready to put a stick of dynamite in the car. If this is a simular fault I wanted to contribute before watching the video.
Seized handbrake mech is also pretty common on the caliper. I usually loosen them up spray them with sticky oil when i do brake jobs.
Those floating calipers look identical to mitsubishi ones , some times the rear ones managed to rust inside the two bolted sliding axles that hold the two halfs together , and they burn the pads off because of the friction . the parking brake on some mitsubishis like the galant and pajero pinin (shogun) are different ,they are drum type and use the inside of the rotor disk hub as the drum .
They probably are the same. They fit a myriad of different Mazdas.
Just started watching, my guess is the flexi line has started to break down on the inside. Let's see.....
Darn it.
It was my guess before I took it apart, too!
Hi I had a 626 many years ago and I had the same problem same side easy to free off cured it with some oil common problem with handbrake mechanism in caliper probably nothing wrong with original caliper hope this is helpful
8:35 I'm pretty sure that Every car I have owned, the brake lights work without a key. I assumed it was a compulsory safety feature.
Not on my cinquecento 🙄
But the radio will stay on for 2 days without the ignition on if you forget to turn it off 😮 How do I know that 😂
A Mazda 626!
For brakes if you wanna even brake on each wheel, if you wanna especialy on rear side, need to sit in car, relase cable on handbrake and then bring it up seven cliks (teeth) and ,put car in neutral and then start it then push brake pedal 3 max 4 time and turn of car. After that screw the handbrake cable until it is just fine and all will be synchronized . Some things are not just n mechanic parts, there are some things in computer so you can see what was done even before.. Just now i am going to change discs on front part both wheel because i love when it is done in pairs, just i dont love when some parts are new and some of old will die fast because it is just like that in all parts on veicle. After that i will change both rear and oil and etc.... Just wanna get it all good ( perfect ) it is my fault i am electromehanic...so i have mazda 626 M1 variant D.2 and i love it. very good car, and you can repair it by yourself even today.
one for the algorithm
Good man!
Is this a new CZcams area in the Unit?.
I have an s reg mazda 626 something for me to bear in mind just in case 😊
More Chinesium!
Slip pins that go into the carrier, the caliper slides up and down on
That’s the problem with these service centres they do not have the time nor expertise to deal with actual problems they are simply there to service and swap old for new.
The main thing to take from this episode,is that we should allways by our replacement parts at OE speck and from a decent source not cheep clap from China off the interweb,especially when it comes to The braking system.
Yes it can be cheaper on the web ,but when you have to do the job again after a couple of years there is no saving at all,
It's an old adage,but buy well buy once has never been more true,and with good quality comes peace of Mind.
I bought 2 double filament bulbs for my kia as a bulb blew . Motorfactors sold me 2 new lucas bulbs and i said to the lad " oh lucas, Prince of darkness" he looked bemused, anyway both turned out to be duds, they did light up dimly so i tried them on a battery and then found an old spare bulb in the shed which confirmed they were shite. The old spare is in the car now and i won't be getting any more lucas poo
£83 an hour for a technician that can freely think is a good rate… I object when staff only follow manufacturers instructions blindly without actually thinking whether what they’re doing is logical .
If you have to follow instructions you’re a mechanic, if you can think for yourself you’re a technician.
😎😎😎😎👍👍👍👍
It could be as simple as the bleed valve faulty. Change it out to eliminate as it's a cheap part.
Automotive Quincy M.E.
The dreaded “H” strikes again 😱
brakelight without key? yea another Japanese thing- 2 hondas & 1 nissan all have been the same for me
I have kept saying handbrake because it's the one thing you haven't even talked about.
Sounds like Halfrauds to me.
Forget the pressure bleeder or the vacuum bleeder, all you need is a well positioned syringe 😎
Suppose I could backfeed it with a syringe, too.
@@UPnDOWN I don’t mean back feed it, I do it my own way that’s never failed me yet. It’s just a neeer version of the old milk bottle method but you’ve got to have the string positioned right. I’d post a link to the video I did about it but I think CZcams will delete it. I use the same method on bikes at work too and it’s never failed me yet.