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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW MKIV-A4 TDIs (VE and PD)

VW MKIV-A4 TDIs (VE and PD) This is a general discussion about A4/MkIV Jetta (99.5-~2005), Golf(99.5-2006), and New Beetle(98-2006). Both VE and PD engines are covered here.

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Old March 25th, 2020, 19:57   #1
skyking1
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Default Leaking 02J and noise in reverse

Posting this for a friend third hand, so it will take a while to answer any questions. His son's car, away at college and possibly has to come home.

" He said his transmission started making a weird noise based off axle rotation (as best as I could get from him) and was leaking transmission fluid from the bell housing. He thought he had a little time to look into it and resolve the issue."

Any ideas would be greatly appreciated.
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Old March 25th, 2020, 20:01   #2
Dh4276
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Input shaft seal, probably low on fluid and no getting good lubrication to the gears thus making noise. Should probably check level and top off if he has to drive it home.


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Old March 25th, 2020, 20:05   #3
skyking1
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It's already leaking, so you think it would make the drive? I suppose it will be trashed bearing already.
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Old March 25th, 2020, 20:42   #4
eddieleephd
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Fill her full is the best bet.
I replaced my transmission for $500 just a couple months ago. Easier and cheaper than new gears.

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Old March 25th, 2020, 20:46   #5
Dh4276
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Quote:
Originally Posted by skyking1 View Post
It's already leaking, so you think it would make the drive? I suppose it will be trashed bearing already.

Depending on how bad the leak is and how long the drive. But filling it up is a must before driving it. Damage has most likely already been done. $500 transmission is probably cheaper than a tow home.

Unless itís pouring out, it should at least get him home so it can taken out and see what needs to be done from there.


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Old March 25th, 2020, 21:28   #6
skyking1
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thanks a ton guys, that was what I was thinking too. I will pass it along.
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Old March 25th, 2020, 22:39   #7
mr.loops
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Default Leaking 02J and noise in reverse

My guess would be based on how bad the the leak was.

If it was a slow leak coming from the bell housing I would say input shaft seal

If the leak was substantial (huge puddle) I would say the transmission suffered SMS - diff/roll pin/rivet let go and put a nice hole in the box

Noses (grinding/popping etc) emanating from the transmission is never a good sign.

Before doing anything I would drain some oil out of it an inspect it for clues.
Gold glitter is fine- carry on, but if your seeing chunks of metal falling out, get the car towed home


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Old March 25th, 2020, 23:48   #8
carl20320
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Thanks Skyking for posting this and to those offering advice. It is my son that has the transmission issues. Home is in Washington state and college is in Florida. Filling it up and driving it home really isn't an option. He just found out this afternoon that his school is closing Sunday afternoon and he has to be out by then.

He only drove it a very short distance once it started making the noise which he described as kind of a whirring noise with a click that seemed to be related to each rotation of the wheel. I believe he said the noise only occurs in reverse. He has been looking around and TDi's just don't seem to be much of a thing in his area but I suspect we can find something. Might have to expand our search for a donor if that becomes necessary.

I"m flying out tomorrow and we will drain fluid and look at it and determine whether we need to pull the transmission to determine the extent of the damage. We will see if we can find a replacement if necessary or perhaps just replace an input shaft seal if it is only something simple.

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Old March 26th, 2020, 04:38   #9
gforce1108
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I would bet more on the diff pin wearing through the case or similar damage over it being the input shaft seal. Unfortunately you can't tell until the trans is dropped.
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Old March 26th, 2020, 06:16   #10
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A couple of other suggestions. While you are checking things out, give a good look at the fluid level in your brake reservoir. There's always a chance that your slave cylinder is leaking into the bellhousing. It may not be likely, but it's a possibility. There is also a chance that you may be getting odd clicking noises from a worn axle. Once again, it may be wishful thinking, but it is part of the overall rotating assembly, and could sound different in only one direction is it is worn badly. I have pulled a couple of 02Js that had holes in the bellhousings from something that came loose internally. I may try to post a pic of the worst one if I can find it. Good luck!
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Old March 26th, 2020, 09:04   #11
BobnOH
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That's what I was thinking, be sure it's not leaking oil or brake fluid. If it is in fact transmission fluid you need to remove and repair. Anecdotal- They seem to usually leak at the other end, not inside the bell housing.
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Old March 26th, 2020, 09:21   #12
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Quote:
Originally Posted by mk4mr View Post
A couple of other suggestions. While you are checking things out, give a good look at the fluid level in your brake reservoir. There's always a chance that your slave cylinder is leaking into the bellhousing. It may not be likely, but it's a possibility. There is also a chance that you may be getting odd clicking noises from a worn axle. Once again, it may be wishful thinking, but it is part of the overall rotating assembly, and could sound different in only one direction is it is worn badly. I have pulled a couple of 02Js that had holes in the bellhousings from something that came loose internally. I may try to post a pic of the worst one if I can find it. Good luck!
I'll have him make certain on the brake fluid. Pretty sure it is not the axles. They were replaced before we drove the car across to Florida last year... as was most everything else that normally wears... other than the transmission.
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Old March 26th, 2020, 09:22   #13
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Again, all, thank you for the input.
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Old March 30th, 2020, 08:06   #14
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It punched out the end of the boss. Case is toast. Anybody in Florida have a spare trans?
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Old March 30th, 2020, 08:18   #15
eddieleephd
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I ordered one in December. Just over$500 to my door.

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