- Recalls
- Technical Service Bulletins (TSBs)
1991 CHEVROLET SUBURBAN Technical Service Bulletins
Technical Service Bulletin information provided by National Highway Traffic Safety Administration
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POWER TRAIN
RECORD_ID: 166513
NHTSA Item Number: 10007838
Replacement Service Bulletin Number: 990730016B
Date Added: Jul 13, 2004
Bulletin Number: 990730016A
Date Posted: Oct 1, 2002
MFRINTERNALCAMPAIGNID_SOFTWAREVERSION: N/A
COMMUNICATIONTYPE: Service Bulletin/Repair Instructions
Make: CHEVROLET
Model: SUBURBAN
Year: 1991
Component Name: POWER TRAIN
MFRCOMPONENTSYSTEM: N/A
MFRCOMPONENTSUBSYSTEM: N/A
Summary: DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT
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POWER TRAIN: AUTOMATIC TRANSMISSION: LEVER AND LINKAGE: COLUMN SHIFT
RECORD_ID: 118635
NHTSA Item Number: 634999
Replacement Service Bulletin Number: 020730024B
Date Added: Oct 11, 2002
Bulletin Number: 020730024A
Date Posted: Aug 1, 2005
MFRINTERNALCAMPAIGNID_SOFTWAREVERSION: N/A
COMMUNICATIONTYPE: Service Bulletin/Repair Instructions
Make: CHEVROLET
Model: SUBURBAN
Year: 1991
Component Name: POWER TRAIN: AUTOMATIC TRANSMISSION: LEVER AND LINKAGE: COLUMN SHIFT
MFRCOMPONENTSYSTEM: N/A
MFRCOMPONENTSUBSYSTEM: N/A
Summary: DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
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ENGINE AND ENGINE COOLING: ENGINE: GASOLINE
RECORD_ID: 3346
NHTSA Item Number: 39304
Replacement Service Bulletin Number: 93-6A-111
Date Added: Nov 1, 1995
Bulletin Number: 376105
Date Posted: Feb 1, 1995
MFRINTERNALCAMPAIGNID_SOFTWAREVERSION: N/A
COMMUNICATIONTYPE: Service Bulletin/Repair Instructions
Make: CHEVROLET
Model: SUBURBAN
Year: 1991
Component Name: ENGINE AND ENGINE COOLING: ENGINE: GASOLINE
MFRCOMPONENTSYSTEM: N/A
MFRCOMPONENTSUBSYSTEM: N/A
Summary: COLD ENGINE KNOCK. *TW
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ENGINE AND ENGINE COOLING: EXHAUST SYSTEM: MANIFOLD/HEADER/MUFFLER/TAIL PIPE
RECORD_ID: 1994
NHTSA Item Number: 39070
Replacement Service Bulletin Number: 37-66-02
Date Added: Mar 6, 1995
Bulletin Number: 376602A
Date Posted: Jan 1, 1995
MFRINTERNALCAMPAIGNID_SOFTWAREVERSION: N/A
COMMUNICATIONTYPE: Service Bulletin/Repair Instructions
Make: CHEVROLET
Model: SUBURBAN
Year: 1991
Component Name: ENGINE AND ENGINE COOLING: EXHAUST SYSTEM: MANIFOLD/HEADER/MUFFLER/TAIL PIPE
MFRCOMPONENTSYSTEM: N/A
MFRCOMPONENTSUBSYSTEM: N/A
Summary: NEW CAST IRON EXHAUST MANIFOLD AND STAINLESS STEEL GASKET TO CORRECT ENGINE NOISE CONDITION. *TW