Question about 2006 Volkswagen Passat

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Oil leak on 2005 -2006 new model passat

Thought the oil leak was with the drain plug, change oil and in the process had the dealer replace the drain plug the oil leak still happens.

workshop says oil leak is with flywheel assembly. not sure if they are telling the truth, the oil color is more brown/blackish.

is flywheel oil same as manual transmission oil and is there way to confirm this?

how much would it take to diagnose and fix it

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  • expensivepas Nov 23, 2008

    the leak is not bad, about a drop of oil a day(night). the car is 6spd manual with 63000 miles on it. serviced regularly. i just changed engine oil and fiter at £150.00 yesterday and removing the gearbox necessitate me to get oil changed again?.

    when the gearbox is removed is it a good time to check for clutch condition and gearbox condition as well?.

    can you please tell me an approximate hours of labour it will take to do it. approximate cost will be greatly appreciated.

    thanks to everyone who had replied in this regards.

    cheers.

  • expensivepas Nov 23, 2008

    the oil is brown in colour is this the trans oil or trans oil and engine oil is one and same?.

    cheers.


  • expensivepas Nov 23, 2008

    wonderful explanation, makes it clear now, the garage (VAG main dealer) told that the coolant looks black and it should be flushed and replaced.

    probably there is an engine problem causing the engine to heat up - causing the coolant to black out and seal to leak does this sound convincing.

    if the engine is heating up what could it be?. just answer if you can, i would be very thankful if you can, am already very thankful for your answers so far.

    Really appreciate it very much.

    Cheers.


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Well this is an expensive repair as such because of the time involved,a reputable garage would check the clutch and gearbox spigot shaft as a matter of course but the seal can only be reached by removal of everything ,if its just a small drip then have it done as and when the clutch needs replacing is the best advice i can give,adding a leak sealer for engines could help as it makes the seal soft again but if the end of the crank is worn then no ,but it could work and often does.and its not that expensive if it saves you a lot of work for now.As for mileage well treat it as a guide only as mileage tampering still goes on and you will never know weither its the garage or a previous owner who didnt want to lose money.but make sure you check oil level in gearbox in case its leaking out of spigot shaft seal .engine oil smells like engine oil but gearbox oil stinks trust me ,trying to get it when it drips up your arms ,,,,.Also as a matter of course check the engine breather as evan a slight blockage here will increase back pressure in engine causing it to leak oil .How long to remove ,,well about 3 hrs roughly if all the bolts come undone on the suspension an hour or so to change seal and check over maybe evan pushing seal in or out a bit to miss wear on crank if any,rebuilding with a strong lad to assist in alignment and moving about another 2/3 hours if it all goes well with no complications .

Posted on Nov 23, 2008

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  • Master
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They are saying oil is coming from rear main seal likely,,,, repair is trans removal .. and oil pan gasket/ rear main seal replaced .......

Posted on Nov 22, 2008

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Rear end oil seal ,a common fault but its expensive to repair although the seal only costs coppers as the gearbox has to come completely out and this will involve dropping the sub frame as well.no short cuts here ,iam afraid ,how bad is the leak ??try some autobox laek sealer additive and put it in the engine oil.also if and when you have it repaired check for a ball bearing blancking plug in end of oil gallery its a possibility ??seen it before .whats the mileage of this vehicle as it sounds like a high mileage reps cars

Posted on Nov 22, 2008

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