Beretta L4-138 2.3L DOHC QUAD 4 HO MFI VIN A (1994)
Service Port HVAC: Customer Interest
A/C System - Insufficient Cooling
File in Section: 1 - HVAC
Bulletin No.: 43-12-22
Date: September, 1994
Subject:
Insufficient Cooling from A/C System (Leak Test System, Replace Lowside Charge Port Cap and Valve)
Models:
1994 Buick Skylark
1994 Chevrolet Beretta, Corsica
1994 Oldsmobile Achieva
1994 Pontiac Grand Am
VIN Breakpoints:
Lansing (North)
Oldsmobile:
SOP - RM045652
Pontiac:
SOP - RM590433
Lansing (South)
Buick:
SOP - RC292695
Pontiac:
SOP - RC794769
Wilmington
Chevrolet:
SOP - RY255784
Condition
Some owners may comment on insufficient cooling of the A/C system.
Cause
Some vehicles may lose the A/C refrigerant charge due to the lowside cap (primary system seal) not being properly seated.
Correction
Leak check system with charge fitting caps (primary seals) properly installed.
No leak detected:
-
Recover, evacuate, and recharge refrigerant system and properly install caps.
-
Perform final leak check.
Leak detected at low charge port primary seal:
-
Replace lowside valve stem, P/N 03041827, and charge valve primary seal cap, P/N 22638852.
-
Perform final leak check.
Follow procedures outlined in Section 1B of the appropriate Service Manual.
Parts Information
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use:
Labor
Labor
Operation
Time
D3020
Use published labor operation time.
