Lumina L4-151 2.5L (1991)
Service Port HVAC: Technical Service Bulletins
A/C - New High Side Pressure Service Port
Number:
92-99-1D
Section:
1D
Date:
FEB. 1992
Corporate Bulletin No.: 13121OR
ASE No.: A7
Subject:
NEW AIR CONDITIONING HIGH SIDE PRESSURE SERVICE PORT ASSEMBLY
Model and Year:
1991-92 CAMARO AND LUMINA
Application:
1991-92 Camaro 1991-92 Lumina
THIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN NO. 91-97-1D, DATED NOVEMBER 1990. THE 1992
MODEL YEAR HAS BEEN ADDED AS WELL AS AN "IMPORTANT" NOTE AFTER PARAGRAPH 3. ALL COPIES OF 91-97-1D SHOULD BE
DISCARDED.
All 1991-92 "W" and "A" models, some interim 1991-92 "F" models, and 1992 "C", "D", "E", and "K" models equipped with new A/C high pressure
service port assembly. The A/C low side pressure service port will remain the same.
Figure 1 1991 and Later Vehicles
Figure 2 Older Vehicles
The new A/C high pressure port (Figure 1) is not designed with a depressor pin, compared to the older port (Figure 2) which has a depressor pin. The
new A/C high pressure port will require the use of two special tools for servicing.
Tool J 38702, is a straight adapter which allows existing diagnostic equipment to be connected to the service port, and high side pressures to be checked
