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  #1  
Old 04-26-2003, 12:15 AM
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Location: Michigan
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Question Air Compressor Question

My problem resides with the AC pulley on my 85 D-T.

In purchasing this car last winter, it came without an AC belt or PS belt. I was told that the AC needed recharging.

Tonight I went to put the AC belt back on and WHOA, the pulley felt like it would break off if I yanked it hard enough. Tons of play and a ton of wired goo all around it. Plus, if I moved it slightly, it seemed to catch on something. I crawled under another one (84 300D) and noticed that the problem in question was truly wierd.

Can anyone identify my problem?

Do I need a new unit or front unit?

Thanks

Don

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DAILY DRIVERS:
'84 300DT 298k (Aubrey's)
'99.5 Jetta TDI IV 251k (Julie's)
'97 Jetta TDI 127k (Amber's)
'97 Jetta TDI 186k (Matt's)
'96 Passat TDI 237k (Don's
'84 300D 211k Mint (Arne- Undergoing Greasecar Conversion)

SOLD:
'82 240D 229k (Matt's - Converted-300DT w/ 4 speed
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  #2  
Old 04-26-2003, 09:03 AM
LarryBible
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It sounds like you are facing a much bigger problem than merely replacing the compressor. Upon compressor failure, debris is strewn throughout the system. When replacing the compressor, you MUST THOROUGHLY flush the ENTIRE system, replace the filter drier and preferably add a suction side filter in the line before the entrance to the compressor. You will then need to evacuate, and charge.

R12 will be a small fraction of the cost of this job, so I would STRONGLY recommend that you stay with R12.

Best of luck,
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  #3  
Old 04-26-2003, 10:13 PM
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Location: Michigan
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Thanks Larry.

Are you saying that the tons of goo that has oozed out around the pulley is indication that it is shot?

Is there such a thing as finding the compressor at a junk yard and just doing a swap & refill?

This AC stuff is new ground for me.

Don
__________________
DAILY DRIVERS:
'84 300DT 298k (Aubrey's)
'99.5 Jetta TDI IV 251k (Julie's)
'97 Jetta TDI 127k (Amber's)
'97 Jetta TDI 186k (Matt's)
'96 Passat TDI 237k (Don's
'84 300D 211k Mint (Arne- Undergoing Greasecar Conversion)

SOLD:
'82 240D 229k (Matt's - Converted-300DT w/ 4 speed
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  #4  
Old 04-28-2003, 07:27 AM
LarryBible
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If all that is wrong with the compressor is a leak at the shaft seal, then your situation is not as bad. But the fact that it does not turn free by hand is what makes me worry that it has given up internally and spread metal particles throughout the system. It is these metal particles that will destroy the new compressor.

Good luck,
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  #5  
Old 04-28-2003, 12:10 PM
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diesel don, is the clutch off of this thing? If still in place, it sounds like the clutch may be bad.
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  #6  
Old 04-28-2003, 12:56 PM
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Location: Michigan
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Larry:

Thanks for your time. I mis-communicated.

The flywheel does turn by hand. In fact, it all seems too loose. As I turn it by hand, it seems to catch on something and turn that internal thing as well.

Just by looking at it, I know it is not right, so my questions stands:

Is that unit a 'stand-alone' unit or can the forward half (pulley) be replaced, etc?

Thanks

Don
__________________
DAILY DRIVERS:
'84 300DT 298k (Aubrey's)
'99.5 Jetta TDI IV 251k (Julie's)
'97 Jetta TDI 127k (Amber's)
'97 Jetta TDI 186k (Matt's)
'96 Passat TDI 237k (Don's
'84 300D 211k Mint (Arne- Undergoing Greasecar Conversion)

SOLD:
'82 240D 229k (Matt's - Converted-300DT w/ 4 speed
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  #7  
Old 04-28-2003, 08:13 PM
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Join Date: May 2001
Location: Michigan
Posts: 1,373
Rick:

Thanks for asking. Its still on there. Wish I knew enough about this part of the car to post intelligent questions but its new ground for me.
Just when I get a handle on the other stuff, something new pops up.

Don

__________________
DAILY DRIVERS:
'84 300DT 298k (Aubrey's)
'99.5 Jetta TDI IV 251k (Julie's)
'97 Jetta TDI 127k (Amber's)
'97 Jetta TDI 186k (Matt's)
'96 Passat TDI 237k (Don's
'84 300D 211k Mint (Arne- Undergoing Greasecar Conversion)

SOLD:
'82 240D 229k (Matt's - Converted-300DT w/ 4 speed
Reply With Quote
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