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Chevrolet Workshop Service and Repair Manuals

Engine - Vacuum Leaks, Rough Idle or Inop. A/C, Cruise|Page 2446 > < Engine - Vacuum Leaks, Rough Idle or Inop. A/C, Cruise
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Idle Speed: By Symptom

Technical Service Bulletin # 89206

Date: 881101

Engine - Vacuum Leaks, Rough Idle or Inop.  A/C, Cruise

Number:

89-20-6

Section:

6

Date:

NOV., 1988

Subject:

VACUUM HOSE SPLIT

Model and Year:

1989 CAMARO (ALL ENGINES) WITH AIR CONDITIONING

AND/OR CRUISE CONTROL
TO:

ALL CHEVROLET DEALERS

Some of the above vehicles, built prior to breakpoints shown below may exhibit an audible engine vacuum leak, rough engine idle or inoperative air
conditioning and/or cruise control. This condition may be caused by a split in the short vacuum hose on the left side of check valve, located at the top
rear of the engine.

This condition may be repaired by replacing the split hose with a 1-1/4 inch length of 5/32 I.D. double walled vacuum hose obtained locally or GM
service bulk hose, P/N 9438381.

Parts are currently available from GMSPO.

The VIN breakpoints:

FROM

THROUGH

S.O.P.

L107709

Use applicable Labor Operation and Time.

Technical Service Bulletin # 89206

Date: 881101

Engine - Vacuum Leaks, Rough Idle or Inop.  A/C, Cruise

Number:

89-20-6

Section:

6

Date:

NOV., 1988

Subject:

VACUUM HOSE SPLIT

Model and Year:

1989 CAMARO (ALL ENGINES) WITH AIR CONDITIONING

AND/OR CRUISE CONTROL
TO:

ALL CHEVROLET DEALERS

Some of the above vehicles, built prior to breakpoints shown below may exhibit an audible engine vacuum leak, rough engine idle or inoperative air
conditioning and/or cruise control. This condition may be caused by a split in the short vacuum hose on the left side of check valve, located at the top
rear of the engine.

This condition may be repaired by replacing the split hose with a 1-1/4 inch length of 5/32 I.D. double walled vacuum hose obtained locally or GM
service bulk hose, P/N 9438381.

Parts are currently available from GMSPO.

The VIN breakpoints:

FROM

THROUGH

S.O.P.

L107709

Engine - Vacuum Leaks, Rough Idle or Inop. A/C, Cruise|Page 2446 > < Engine - Vacuum Leaks, Rough Idle or Inop. A/C, Cruise