A/C Performance Test Procedures Update (24-03-88)

Publication date: 1988-12-05
Reference number: 24-03-88

A/C PERFORMANCE TEST PROCEDURES UPDATE

TECHNICAL SERVICE BULLETIN

Reference Number(s): 24-03-88, Date of Issue: December 5, 1988

CLIMATE CONTROL

Model(s): 1988 "YDC" (Conquest), "LA" (Colt), "NF45Z" (Colt Vista), and "SJ" (Ram Raider)

Bulletin No.: 24-03-08

Group: Climate Control

Date: December 5, 1988

SERVICE INFORMATION

The Air Conditioning Performance Test Procedures for the 1988 Conquest, Colt, Colt Vista, and Ram Raider have been modified to more accurately diagnosis air conditioning problems.

1988 RAM RAIDER PERFORMANCE TEST

Park the test vehicle away from the direct rays of the sun.
Connect a tachometer and manifold gauge set.
Set the on-vehicle air conditioner controls to the maximum cooling position as follows: Air conditioning switch: A/C -ON position Mode selection lever: Face position Temperature control lever: Max. cooling position Air selection lever: Recirculation position Blower switch: HI (Fast) position
Start engine and adjust rpm to 1,000 with air conditioner clutch engaged.
Engine should be warmed up with doors, windows closed and the hood open.
Insert a thermometer in the left center air conditioner outlet and operate the engine for 20 minutes.
Note the discharge air temperature. NOTE: If the clutch cycles, take the reading before the clutch disengages.

1988 COLT/COLT VISTA & CONQUEST PERFORMANCE TEST

Park the test vehicle away from the direct rays of the sun.
Connect a tachometer and manifold gauge set.
Set the on-vehicle air conditioner controls to the maximum cooling position as follows: Air conditioning switch: A/C -ON position Mode selection lever: Face position Temperature control lever: Max. cooling position Air selection lever: Recirculation position Blower switch: HI (Fast) position
Start engine and adjust rpm to 1,000 with air conditioner clutch engaged.
Engine should be warmed up with doors, windows closed and the hood open.
Insert a thermometer in the left center air conditioner outlet and operate the engine for 20 minutes.
Note the discharge air temperature. NOTE: If the clutch cycles, take the reading before the clutch disengages.