A/C - Leakage at Compressor Filler Valve

Group
87

No.
202

Date
March 1989

Subject:
Leakage At A/C Compressor Filler Valve

240 B230 F
1985-89 M/Y

This Bulletin Applies To the U.S. and Canada
Reference: TP 31120/1 (English); Body

Replacement of leaking Diesel-Kiki A/C compressor filler valve

Loss of Freon may, in some cases, be from leakage at the compressor filler valve. A new valve has been developed and put into production from the following chassis numbers:

244 - 260 313 245 - 752 653

On earlier models, the valve may be replaced by the later version (P/N 3522521-8).


Disconnect battery ground cable.




Drain refrigerant from system.

Remove filler valve.

Unscrew protective cap, then remove valve using a 14 mm box wrench. Remove flat washer.


Install new filler valve.

Install a new filler valve (P/N 3522521-8) and new flat washer. Tighten valve to 15 Nm (11 ft. lbs.)

Fill system with refrigerant.

Connect battery ground cable.

Check system.

Start engine and switch A/C on.
Using a leak detector, check filler valve for leakage.
Ensure valve is not leaking.

Warning:
Do not use a flame-type leak detector to check A/C system for leaks.

During the New Car Warranty period, claims must be submitted under:


Operation # Labor Description Time Allowance

874 353 A/C Filler Valve, replace 0.2 hr.
incl: r/i valve
870 132 A/C, Evacuate, Leak test, Fill 0.8