924Board.org

SilverJag · Joined: 13 Feb 2012 Posts: 1 Location: PA

Hello, I am seriously considering buying a 1987 924S. I noticed that the ac compressor pulley does not spin, the belt just rubs on it. Does this sound like an easy fix and what does it entail? Thanks in advance for the help from a potential first time Porsche owner.

924aussie · Posted: Mon Feb 13, 2012 12:15 pm Post subject:

Is the belt loose ie, have you been able to turn the pully by hand ?

Alan
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green 924 .. 1980 rego 924PSH
1998 Mopar Neon ... sick
2003 Challenger / Montery 4WD
1995 Hyundai Scoupe ... sold
1998 Nissan Silvia ... sons back from OS he has taken it
BIG BLOODY MOTORHOME 300zx Sold
1980 Fire truck Sold

mhart · Joined: 24 Feb 2006 Posts: 170 Location: New York, NY

You'll need to either replace the A/C compressor or get an A/C delete kit. If the pulley isn't turning, eventually the friction will burn through the belt. Because the belt also turns the alternator, without the belt, the car won't run (very far...don't ask how I know).
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'87 924 S - No sunroof and a few modifications

emoore924 · Joined: 13 Apr 2004 Posts: 2822

Are you certain it is actually not turning the pulley, rather than the clutch not engaging and the pulley is turning behind it. It can look like the pulley isn't turning if the clutch isn't engaging-- the front will stay still.

If the pulley is indeed seized with the belt running over it, you'd likely hear a screeching like four cats with their tails run over by a freight train and the stench of burning rubber. Wouldn't last long...

A clutch won't engage for a number of reaons including bad electricals, no R12 (refrigerant), bad clutch, etc. Much easier to fix with system in-situ than recovering the R12 (if any left), fixing the problem, then recharging. May not be worth it on these older cars...