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2003 Volvo S80 AC stops working after 45 min to 1 hour

Tiny
WANDA TANNER
  • MEMBER
  • 2003 VOLVO S80
Air Conditioning problem
2003 Volvo S80 6 cyl Automatic 84795 miles

When driving my S80 T6 the ac stop's working. We stop the car 7 turn off the engine for a few minutes then turn it on & it work's then the same things happens again. The dearlership has replaced the condensor but we still have the problem.
Please can you help.
My car is at the dealership again & they can not find the problem.
Thank You It is a S80 T6
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Thursday, July 22nd, 2010 AT 8:32 AM

6 Replies

Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
Suggest that they check the gap clearance on the compressor clutch. The spec calls for 0.3mm to 0.5mm
Get a feeler gage greater then 0.5mm. If it goes in then You can try to remove some the shims to adjust the gap on the compressor. If you can not get it down to spec then the clutch will need to be replaced.

I removed a shim from my clutch for the same problem


https://www.2carpros.com/forum/automotive_pictures/337695_IMG00157_1.jpg




https://www.2carpros.com/forum/automotive_pictures/337695_IMG00156_1.jpg



I measured the gap and was lucky to get it down to 0.3mm. My S80 now blows cold again. What happens when the clearance is too wide, when the metal gets hot it expands and makes the clearance even wider. So as the compressor clutch cycles on and off when it goes off eventually the clearance is too wide that the magnet can not pull the clutch back in. Keep me posted please. What dealership is your car at?
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Friday, July 23rd, 2010 AT 1:36 AM
Tiny
WANDA TANNER
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My car is at Fremont Volvo.
Fremont Ca. Wes is the service person I have been dealing with. 510-668-8752.
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Friday, July 23rd, 2010 AT 8:31 AM
Tiny
MERLIN2021
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JIS001 has a very good answer, how did you make out with it?
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Thursday, July 29th, 2010 AT 5:30 PM
Tiny
WANDA TANNER
  • MEMBER
  • 3 POSTS
The dealership has a open ticket on it, because they could not make the ac stop working. So we picked it up last week & drove it to Oakland about 1 hour away & it happen again. That is the Ac stopped working, the bower was not working well either. We stop & turned the car off for about 15 minutes. Then it worked fine. Then drove home again about 1 hour & it stop working agin. THEY DON'T KNOW & CAN NOT FIND OUT WHAT IS WRONG WITH IT. Do you have any other idea's?

Thank You for asking.
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Thursday, July 29th, 2010 AT 8:04 PM
Tiny
JIS001
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  • 3,411 POSTS
If they just left the vehicle idling for hours then it will not cut off. They actually will need to drive it to make it quit. Have you asked them to check the compressor clutch clearance?
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Thursday, July 29th, 2010 AT 11:38 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
The other problem could be a thermal switch, if the evaporator core freezes the fan cant blow air through the fins, reducing cooling, and making the blower seem like it's not blowing enough air. You might have 2 problems.
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Friday, July 30th, 2010 AT 6:36 AM

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