C 1500 Truck 2WD V8-350 5.7L (1989)
Heater Core: Customer Interest
A/C - Insufficient Heat, New Heater Core
Number:
89-269-1A
Section:
1A
Date:
October 1989
Corporate Bulletin No.: 961102
Subject:
IMPROVED HEAT
Model and Year:
1989 C, K TRUCKS
TO:
ALL CHEVROLET DEALERS
Some owners of 1988-89 C/K trucks may comment regarding a lack of sufficient heat from their heaters. For improved heating, a revised heater core has
been released to production after the following VIN breakpoints that will increase heater output 5 - 8 degrees F (2.5 - 4.5 degrees C).
OSHAWA
2GCGK29K3K1212682
FT. WAYNE
1GCDC14K2KZ239512
PONTIAC
1GCFK24K0KE232454
The new heater core has 38 fins/inch verses 30 fins/inch on the old heater core. Some reduction in air flow may be noticed.
Parts are currently available from GMSPO.
Base heater
--
52452918
With A/C or
Deluxe heater
--
52452915
For repairs to vehicles under warranty use the appropriate labor operations and times from the labor time guide.
