chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

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Air Duct: Customer Interest
A/C - Poor Heater Performance

Number:

88-102-1A

Section:

1A

Date:

DEC., 1987

Subject:

POOR HEATER PERFORMANCE

Model and Year:

1987-88 BERETTA, CORSICA

TO:

ALL CHEVROLET DEALERS

Some customers may comment of poor heater performance in the area of the rear seats, mainly the left rear.

If the heater system is operating properly with adequate heat in the front seat area, the problem may be caused by poor heat/air distribution from the floor
heater outlet.

This condition can be improved by replacing the existing floor heater outlet with one of the following new parts.

Part Name

Part Number

Heater Outlet Assy.

10065639

(No A/C)

Heater Outlet Assy.

10065788

(With A/C)

The breakpoint for vehicles with the new outlet assembly at both assembly plants, is VIN 500000.

Use applicable labor operation time.

All Technical Service Bulletins: > < Air Door Cable, HVAC|Adjustments