'98 Chevy Astro A/C no work

rogerife · 04-04-2005, 06:25 AM

I have a 1998 Astro van. The air conditioner will not turn on. I replaced the compressor and fully charged the system. (It wasn't working before either)
It does not seem to be trying to engage at all. Electrical problem? Who out there knows something?!

Fuely · 04-04-2005, 08:04 AM

Check for 12v at the cycling clutch switch. This is located at the accumulater (drier) Also check all fuses. If all this checks out,the a/c controller(where you turn the a/c on could be bad.

caddyman · 04-05-2005, 12:22 AM

"Jump" the low pressure A/C cycling switch with a paper clip and see if the compressor comes on. Only do this for a few seconds.

rogerife · 04-05-2005, 05:52 AM

Yes, that was it! The pressure switch was malfunctioning. I jumped it with a paper clip and got it to engage.

Thanks alot for you input guys. I appreciate it!!

caddyman · 04-05-2005, 09:08 PM

Thanks for the feedback!

haul0348 · 04-14-2005, 08:34 PM

Way to go caddyman!

04-04-2005, 06:25 AM	#1 (permalink)
rogerife Driver Join Date: Apr 2005 Posts: 2	'98 Chevy Astro A/C no work I have a 1998 Astro van. The air conditioner will not turn on. I replaced the compressor and fully charged the system. (It wasn't working before either) It does not seem to be trying to engage at all. Electrical problem? Who out there knows something?! Last edited by rogerife; 04-04-2005 at 06:27 AM.

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04-04-2005, 08:04 AM	#2 (permalink)
Fuely Crew Chief Join Date: Jan 2005 Posts: 212	Check for 12v at the cycling clutch switch. This is located at the accumulater (drier) Also check all fuses. If all this checks out,the a/c controller(where you turn the a/c on could be bad.

04-05-2005, 12:22 AM	#3 (permalink)
caddyman T.D.C. Master Tech Join Date: Feb 2005 Location: God's Country Posts: 1,833	"Jump" the low pressure A/C cycling switch with a paper clip and see if the compressor comes on. Only do this for a few seconds.

04-05-2005, 05:52 AM	#4 (permalink)
rogerife Driver Join Date: Apr 2005 Posts: 2	Yes, that was it! The pressure switch was malfunctioning. I jumped it with a paper clip and got it to engage. Thanks alot for you input guys. I appreciate it!!

04-05-2005, 09:08 PM	#5 (permalink)
caddyman T.D.C. Master Tech Join Date: Feb 2005 Location: God's Country Posts: 1,833	Thanks for the feedback!

04-14-2005, 08:34 PM	#6 (permalink)
haul0348 Crew Chief Join Date: Mar 2005 Location: Tn. Lebanon Posts: 655	Way to go caddyman!

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