Heater Hose/Coolant reservoir - Interference/Noise

91buick05

Bulletin: 91-1-12

Date: July '91

Ref. No.: 91-226-1

Corp. Ref. No.: 136201


SUBJECT: INTERFERENCE AND/OR NOISE WITH COOLANT RESERVOIR TO HEATER HOSE (REPAIR PROCEDURE)

MODELS AFFECTED: 1991 REGAL MODELS WITH 3.1L V6 ENGINES (VIN CODE T)


CONDITION:

Interference between the heater outlet hose and the clip on the coolant reservoir hose.

CAUSE:

The reservoir hose clip is located too low and rubs on the heater outlet hose.


CORRECTION:

Move the reservoir hose clip higher and forward by drilling a new mounting hole in the reservoir.

FIGURE 1:

PROCEDURE FOR CORRECTION

1. Remove the coolant reservoir.

2. Measure for location and drill a 6.3 mm (1/4") diameter hole above and forward of the present location of the hose clip using the dimensions, shown in View A of Figure 1.

3. Move the hose clip to the new location and install the coolant reservoir.

WARRANTY INFORMATION:

Labor Operation No.: T1744
Labor Time: 0.3 hours