A/C - Low Or No Cooling In High Temperatures

Article No.
98-20-16

10/12/98

AIR CONDITIONING - LOW OR NO A/C
PERFORMANCE IN HIGH AMBIENT TEMPERATURES

LIGHT TRUCK:
1994-98 VILLAGER

ISSUE
No or low A/C performance in very high ambient temperatures may occur on some vehicles. This may be due to the A/C high pressure cut-off switch being set too low causing the A/C compressor to cycle off too soon.

ACTION
Replace the A/C high pressure cut-off switch and high pressure relief valve with revised parts. Refer to the following Service Procedure for details.

SERVICE PROCEDURE





1. Verify concern by connecting pressure gauges and comparing the high side cutout pressures to the pressures listed in the following Chart.

2. If the new switch has already been installed, follow normal A/C system diagnostics as outlined in the appropriate Villager Service Manual. Otherwise, proceed with the following Steps.

3. Recover A/C refrigerant.

4. Replace the A/C high pressure cut-off switch and the A/C high pressure relief valve following procedures outlined in the appropriate year Villager Service Manual, Section 12-03A.

5. Evacuate, recharge and leak check the A/C system.

6. Verify repair.

PART NUMBER PART NAME

F58Z-19D594-A A/C High Pressure Cut-Off Switch
F65Z-19D644-AA A/C High Pressure Relief valve Assembly
W70993-S 0-Ring (Cut-Off Switch)
W701424-S300 0-Ring (Relief valve)

OTHER APPLICABLE ARTICLES: NONE

WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage

OPERATION DESCRIPTION TIME

982016A Replace A/C High 1.0 Hr.
Pressure Cut-Off Switch
And High Pressure Relief
Valve

DEALER CODING
CONDITION
BASIC PART NO. CODE
19D594 07

OASIS CODES: 208000, 208200, 208999