Firebird V8-305 5.0L VIN E TBI (1989)
L03 ENGINE
The following second set of parts and procedure are to be used when working on the 1988-89 vehicles with the L03 engine.
Part Number
Part Name
14089590
A/C Pressure Switch
12090235
Wire Assembly - A/C
Pressure Fan Switch
Parts are expected to be available on June 12, 1989. Until then normal part orders will not be accepted by GMSPO. Only verifiable emergency VIP
orders will be accepted. SPO will make every effort to obtain parts. All parts will be shipped premium transportation at dealer's expense. All other
order types will be canceled as incorrectly ordered while the 400 control is in place.
Procedure:
1.
Disconnect the negative battery cable.
2.
Install the A/C pressure switch in the valve fitting of the A/C pipe from the evaporator to the condenser (as shown in Figure 3).
3.
Connect the wire assembly to the engine harness and the A/C harness and route the wire assembly around the A/C accumulator and connect to
the pressure switch (as shown in Figure 3).
4.
Reconnect the negative battery cable.
5.
Start the engine, put the A/C control selector in DEFROST mode and FULL COLD and check for the cooling fan operation.
Labor Operation Number:
T1462
Labor Time:
0.3 Hours
The VIN breakpoints for 1989 vehicles with (VIN E) engines that already have A/C pressure switch and wire assembly are as follow:
Pontiac
-
KL251704