RWAL Brakes - Revised Code 5 Diagnostic Chart

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Number: 90-269-5

Section: 5

Date: July 1990

Corporate Bulletin No.: 065008


Section:
RWAL BRAKES


Model and Year:
1988-90 C/K AND 1989-90 S/T/M AND 1990 R/V AND G TRUCKS





TO: ALL CHEVROLET DEALERS

The chart (see Figure 1) is a revised code 5 diagnostic chart. The revised chart requires a check of wiring and the transfer case switch operation before the control valve is replaced on 4-wheel drive vehicles. The chart also revises code 5 diagnostic information in the following service manuals:


1988 C/K
1989 C/K
1990 C/K
1990 R/V AND G
1989 S/T
1990 S/T
1989 M VAN
1990 M VAN