Automotive Forums .com - the leading automotive community online! Automotive Forums .com - the leading automotive community online!
Automotive Forums .com - the leading automotive community online! 
-
Latest | 0 Rplys
Go Back   Automotive Forums .com Car Chat > Oldsmobile > Ninety Eight
Reply Show Printable Version Show Printable Version | Email this Page Email this Page | Subscription Subscribe to this Thread
 
Thread Tools
Old 05-06-2012, 08:05 PM   #1
dghawk
AF Newbie
 
Join Date: Jul 2004
Location: Davenport, Iowa
Posts: 22
Thanks: 0
Thanked 0 Times in 0 Posts
93 Olds 98 A/C cuts out

Hi All!!
I have a 93 Olds 98 with approx 98K miles. I have previously (years ago) converted the A/C to R134a. Lately, the A/C has been working fine for approx. 5 minutes, then it cuts out. I had the A/C level and pressures checked Saturday and they are fine (system is full). This weekend, when it cut out, I jumpered the wires at the cycling switch on the accumulator, and the compressor started running again. So naturally, I replaced the accumulator cycling switch. Drove the car again and same result - A/C ran well for about 5 minutes and then it cut out. Has anyone had the same problem and fixed it? Any good ideas? Thanks in advance. Sincerely, Dave.
__________________
03 Chrys 300M Special
93 Olds 98
96 Yamaha XV1100S
dghawk is offline   Reply With Quote
Old 05-06-2012, 09:16 PM   #2
brcidd
AF Enthusiast
 
brcidd's Avatar
 
Join Date: Jul 2005
Location: troy, Ohio
Posts: 2,311
Thanks: 2
Thanked 171 Times in 169 Posts
Re: 93 Olds 98 A/C cuts out

Could be an air gap that is too wide, next time it quits and should be engaged- tap on front of compressor with a wooden hammer handle- if clutch pulls in- your air gap needs re-adjusted to .020"

Magnetic clutch coils can pull in a wide gap when cold- but after they warm up, it is not able to.
__________________
Automotive A/C Engineer with:
'99 IH 4700 Toy Hauler
(2) '95 GEO Prizms both maroon
'99 GMC Yukon
'95 Chev 3500, 454 Dually Crew Cab- 145k miles-
Wife's Camel trailer puller.
'94 Astro- 370k miles
'94 Firebird Formula- 5.7L 180k miles- gone-
'92 Chevy Lumina Van 3.8L 264k
'86 GMC S-15 - 2.8L 154k
'87 Buick Park Ave . 187k
'86 Buick Park Ave 3.8L 199k miles- gone
'77 Chevy Vega- 2.5L 175k miles gone but not forgotten
'68 Camaro 396 4 spd RS/SS -72k miles-
brcidd is offline   Reply With Quote
Old 05-07-2012, 06:19 PM   #3
dghawk
AF Newbie
Thread starter
 
Join Date: Jul 2004
Location: Davenport, Iowa
Posts: 22
Thanks: 0
Thanked 0 Times in 0 Posts
Re: 93 Olds 98 A/C cuts out

That sounds good. I will check the clearance the next time it happens - may be a few days due to work schedule. How do I adjust the clutch if necessary? Is it as simple as tightening the shaft nut until the proper clearance is achieved? Also, is this a possible solution, even after I jumpered the accum. cycling switch and the compressor engaged? Thanks again. Sincerely, Dave.
__________________
03 Chrys 300M Special
93 Olds 98
96 Yamaha XV1100S
dghawk is offline   Reply With Quote
Old 05-07-2012, 08:28 PM   #4
Tech II
AF Fanatic
 
Join Date: Jul 2011
Location: Worcester, Massachusetts
Posts: 5,017
Thanks: 70
Thanked 618 Times in 610 Posts
Re: 93 Olds 98 A/C cuts out

There is only one way you can "check the A/C level", and that is to recover the freon, pull a vac, and then add freon by weight.....

You said the pressures were checked....what were the low and high sides doing?

This is a CCOT system, so the compressor will shut off and cycle......

You say, when the compressor goes off, it stays off, but if you jumper the harness to the low pressure switch on the accumulator, it comes on?

Since you replaced the switch, you need to have gages on this when the compressor cuts out......see if that low side is going well below 30psi......
Tech II is offline   Reply With Quote
 
Similar Threads
Thread Thread Starter Forum Replies Last Post
1996 Olds Achieva Engine cuts out CivilWarJF Achieva 3 07-14-2009 11:26 PM
Chevy 350 cuts out! roknjock2 Chevrolet Classics 3 04-17-2009 07:13 AM
89 olds ninety eight cuts out gilbert3769 Ninety Eight 5 06-07-2007 03:42 PM
1988 Olds 88 cutting out TommyMc Eighty Eight 8 10-18-2005 11:39 AM
90 VW Fox cuts out HELP - when warm does this death / cut out / diesel / chokeded out jamandrew General Discussion 5 04-14-2004 11:53 AM

Reply

POST REPLY TO THIS THREAD

Go Back   Automotive Forums .com Car Chat > Oldsmobile > Ninety Eight

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 05:56 AM.

Community Participation Guidelines | How to use your User Control Panel

Powered by: vBulletin | Copyright Jelsoft Enterprises Ltd.
 
 
no new posts