Spark Plug - Torque Specification Update

9216chevy04

Number: 91-79-6A

Section: 6A

Date: October 1990

Corporate Bulletin No.:


Subject:
SPARK PLUG TORQUE SPECIFICATIONS


Model and Year:
1990 CELEBRITY
1990-91 BERETTA, CORSICA CAMARO,
CAVALIER AND LUMINA,
1990-91 U VAN (APV)


TO: ALL CHEVROLET DEALERS

When installing spark plugs in the 3.1L engine use the following revised specification in the Service Manuals listed below:

Cast Iron or Aluminum Heads, 15 N-m (11 lbs.ft.)

1991 Lumina Pages 6D4 - 4, 5, 7
Cavalier Pages 6A3 - 19
Camaro Pages 6A2 - 31
Pages 6D4 - 7, 9
Corsica/Beretta Pages 6D4 - 3, 6
Pages 6A5 - 24
Lumina (APV) Pages 6A4 - 20, 46
and 6D4 - 6

1990 Celebrity Pages 6D4 - 3, 5
Lumina Pages 6D4 - 4, 5, 6
Cavalier Pages 6A3 - 19
Pages 6D4 - 3
Camaro Pages 6A2 - 30
Pages 6D4 - 7, 8
Corsica/Beretta Pages 6A5 - 20
Pages 6D4 - 2
Lumina (APV) Pages 6A4 - 17, 41
and 6D4 - 6