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Thread: Does your Polo Tdi gearbox have this level of wheel drag (video) ?

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    Does your Polo Tdi gearbox have this level of wheel drag (video) ?

    Just took running of a 2014 Polo BlueMotion 1.2 TDI manual gearbox with 70k and it seems a bit slow so took the wheels of one by one with the car in neutral and spun them to see if anything is restricted by seized brakes etc.

    The front nearside (passenger) wheel barely turns, while the offside driver one spins about 1.5 times. See Video of the nearside



    I took to a garage and there was no calliper restriction. Mechanic said he couldn’t see any other problem and thought this was gearbox drag the way Volkswagen have designed it but wasn’t 100% sure..

    Has anybody else with the Tdi engine and manual gearbox checked the free rotation of their front wheels and found similar ?

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    Administrator Keithuk's Avatar
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    First posts normally go in introductions else you could get a free fix and we never see you again!!!

    It isn't easy to diagnose what the problem is from that video.

    If you garage has checked that brake to see if its sticking and can't find anything wrong. I had a problem many years ago with a sticking brake calliper and it was a faulty flexible brake pipe restricting flow therefore not allowing the brake fluid to return to the master cylinder. A new flexible brake pipe fixed it.
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    Quote Originally Posted by Keithuk View Post
    First posts normally go in introductions else you could get a free fix and we never see you again!!!

    It isn't easy to diagnose what the problem is from that video.

    If you garage has checked that brake to see if its sticking and can't find anything wrong. I had a problem many years ago with a sticking brake calliper and it was a faulty flexible brake pipe restricting flow therefore not allowing the brake fluid to return to the master cylinder. A new flexible brake pipe fixed it.
    sorry didnt realise.. well I usually become an active member of any forums anyway due to my OCD about keeping everything as close to factory condition as possible.

    So trying to figure the factory specification.. this is actually is my problem... what do other members experience when they mess around with their front wheels etc. If you see the video, I am putting in a lot of effort with the car in neutral and the front nearside wheel doesnt turn (offside does). Where as normally on the 20 or so cars I have had previously if you put in some effort the wheel always spins 1 to 2 times at the front.. and 2-3 times at the back wheel.

    I just want to know for sure this is normal gearbox drag for a modern VW manual ? The vehicle had a bash on that side by the previous owner, so just want to check nothings been messed up on the drivetrain.. And its a little slow, but that could be dozens of things at least, so better not go there.
    2014 Polo 6R BlueMotion 1.2 TDI-CR

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    Administrator Crasher's Avatar
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    That's not right, I would push the caliper piston and pads back to double check for brake drag. One thing though, testing with the wheels drooped can feel heavier due to the acute angle the short left drive shaft is at compared to the much longer right.
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    Quote Originally Posted by Crasher View Post
    That's not right, I would push the caliper piston and pads back to double check for brake drag. One thing though, testing with the wheels drooped can feel heavier due to the acute angle the short left drive shaft is at compared to the much longer right.
    It's beyond that..I'm fairly strong and could not get it to spin..just stopped dead when I took the pressure off. Where as the drivers front side spun 1 and a quarter times.

    I see you've got quite a garage of performance vehicles there, although nothing as new as this polo. This mechanic I took it to, has a good reputation for engineering know how and fixes performance cars. Said he had seen gearbox drag like this on modern Audi's. But he wasn't completely sure. I think even good mechanics are strained with all the new engines and tech now. He had the polo on the ramp, checking brake binding, listening for noises on the drivetrain

    Hopefully someone with this age of manual box can confirm this is normal or not.

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    Administrator Crasher's Avatar
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    Well I have been a VAG specialist mechanic for 40 years and not seen that when it isn't brake drag.
    2003 Skoda Octavia VRS Estate. APR 98RON remap, APR R1 diverter valve, Jetex exhaust, K&N panel filter, 7.5x18 Alutec Monstr wheels with 225/40 18 Uniroyal Rainsport 3 tyres.
    2006 Polo GTI 1.8T, APR 95RON remap
    1988 Golf 2 GTI 16 valve, 2.2 with Weber Alpha injection
    1983 Golf 1 GTI 8 valve, 2 litre with Eurospec racing 42/36 head
    1972 1302LS auto 1641cc conversion

    Vile Invention

    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:

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    Unhappy

    Quote Originally Posted by Crasher View Post
    Well I have been a VAG specialist mechanic for 40 years and not seen that when it isn't brake drag.
    since electric handbrakes turned into a failed technology, was imagining VW maybe added some gear drag as a handbrake safety feature to restrict the car from a runaway scenario if the cable stretches a bit.

    had lots of cars and usually these problems are at the brakes.. which is why I took it in to be seen. Although once had a totally collapsed bearing similarly restricting the wheel turning but you could hear the grinding. Normally I would have the caliper off in 10 minutes.. but am sharing this car with my mother who wont let me touch it.

    How long has it been since you were doing VAG, worked on their vehicles from the past 5 to 10 years ?
    2014 Polo 6R BlueMotion 1.2 TDI-CR

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    Senior Member Sam&Anne's Avatar
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    Quote Originally Posted by rogerharris View Post
    How long has it been since you were doing VAG, worked on their vehicles from the past 5 to 10 years ?
    Ooops
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    Administrator Crasher's Avatar
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    There is a function in the Polo 6R ABS unit that stops the car rolling back and on mother of Crasher's 2014 1.4 6R she hated it so I turned it off using ODIS, it does feel very odd in its operation but it is an engine running process. I still am working on VAG cars every working day, I can't afford to retire yet. https://www.candrenterprises.co.uk
    2003 Skoda Octavia VRS Estate. APR 98RON remap, APR R1 diverter valve, Jetex exhaust, K&N panel filter, 7.5x18 Alutec Monstr wheels with 225/40 18 Uniroyal Rainsport 3 tyres.
    2006 Polo GTI 1.8T, APR 95RON remap
    1988 Golf 2 GTI 16 valve, 2.2 with Weber Alpha injection
    1983 Golf 1 GTI 8 valve, 2 litre with Eurospec racing 42/36 head
    1972 1302LS auto 1641cc conversion

    Vile Invention

    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:

  11. #10
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    Quote Originally Posted by Crasher View Post
    There is a function in the Polo 6R ABS unit that stops the car rolling back and on mother of Crasher's 2014 1.4 6R she hated it so I turned it off using ODIS, it does feel very odd in its operation but it is an engine running process. I still am working on VAG cars every working day, I can't afford to retire yet. https://www.candrenterprises.co.uk

    Thanks.. Yeh, have noticed something kicking in at traffic light on an incline.. but mine has bluemotion so the engine stops. But I never tested this incline feature out.

    well I guess you are still in the front line. Am noticing lately mechanics cannot deal with modern vehicles, so loaded with difficult technology and increasing variety thats accelerating all the time. I get the impression they need to employ somebody who just studies new technology, does differential diagnostics and quality control. It seems cars are too complex now and garages cant unravel cause and effect efficiently. I even need to have my own dealer level diagnostics and laptop just to communicate with them. And still this all takes so much time, expense and brain damage going round conflicting opinions at garages has gotten beyond a joke. Further damage occurs while going through all this non diagnosis. Now this week the polo engine struggles to produce power at the top end.. probably engine strained from running with undiagnosed problems.

    solution might be to get a couple of smart roadsters, till we are all electric in the UK, Any problems with it I will just unbolt the chassis in an hour, swap in another do engine rebuild myself. No need for garages. They wont rust so I can keep them a good while then sell or upgrade with an all electric kit.
    2014 Polo 6R BlueMotion 1.2 TDI-CR

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