1990 Chevrolet Blazer TSBs

6 manufacturer communications for the 1990 Chevrolet Blazer sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 1990 Blazer problem report covers complaints, recalls, and investigations.

6Communications

What the bulletins cover

Transmission & drivetrain2 bulletins
Suspension1 bulletin
Latches & locks1 bulletin
Body & structure1 bulletin
Visibility & wipers1 bulletin

Service bulletins

Transmission & drivetrain 020730024A August 1, 2005

DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS.

Suspension 02015 January 1, 2004

POP SNAP NOISE IN THE FRONT SUSPENSION WHEN BRAKING.

Transmission & drivetrain 990730016A October 1, 2002

DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN.

Latches & locks GM161514 April 1, 1995

END GATE LATCH RATTLE (INSTALL REVISED STRIKER).

Body & structure GM561204 April 1, 1995

WATER LEAK AT THE A/C RECIRCULATION DOOR (INSTALL NEW HOOD HINGE SEAL).

Visibility & wipers 9310A343 February 1, 1993

FRONT DOOR SIDE GLASS BINDING/TRACK DISENGAGEMENT.

← 1990 Blazer problems All Blazer TSB years
Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.