Volvo RWD 900 Forum

INDEX FOR 1/2026(CURRENT) INDEX FOR 4/2005 900 INDEX

[<<]  [>>]


 VIEW    REPLY TO THIS MESSAGE    PRINT   SAVE 

AC problems 900 1993

uid 44536's pic
posted by  darkdelta on  Fri Dec 11 16:35 CST 2015
Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
last visit: Fri Oct 24 12:52 CST 2014
[RELATED]

1993 245 NA with a Manual Climate Control (MCC)

My AC has stopped working, here is what I know:

The AC On/Off switch in the MCC will toggle 12 VDC on one side of the drier mounted pressure switch.

With the MCC switched to AC on I get 12 VDC on one side of the pressure switch mounted on the drier, the other side of the switch does not have voltage.

With the engine running, I measured the filling port with the R134 tag it read around 15 PSI, I added enough R134a to bring the PSI up to 25 PSI. I stopped there.

Using a jumper for the drier mounted pressure switch, I can get the cooling fan to run, and the compressor clutch to engage. I did this for only a few seconds.

Additionally, I have changed the drier mounted pressure switch with no change in condition.

Does anyone know at what PSI does this switch make?

Thanks in advance for any input.






THREADED THREADED EXPANDED FLAT PRINT ALL
MESSAGES IN THIS THREAD

New AC problems [900][1993]
posted by  darkdelta  on Fri Dec 11 16:35 CST 2015 >


<< < > >>



©Jarrod Stenberg 1997-2022. All material except where indicated.


All participants agree to these terms.

Brickboard.com is not affiliated with nor sponsored by AB Volvo, Volvo Car Corporation, Volvo Cars of North America, Inc. or Ford Motor Company. Brickboard.com is a Volvo owner/enthusiast site, similar to a club, and does not intend to pose as an official Volvo site. The official Volvo site can be found here.