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Data source: National Highway Traffic Safety Administration

  1. Home
  2. >Chevrolet
  3. >Trailblazer
  4. >2003
  5. >Engine

2003 Chevrolet Trailblazer Engine Problems

Engine complaints and recalls from NHTSA

Summary

The 2003 Chevrolet Trailblazer has 80 NHTSA engine complaints and 0 engine-related recalls.

Problem Areas for the 2003 Chevrolet Trailblazer

Electrical
339
Fuel System
204
Powertrain
120
Other
83
Engine
80
Lights
73
Visibility
71
Airbags
61
Structure
43
Suspension
42
Brakes
35
Steering
34
Speed Control
19
Seat Belts
18
Latches & Locks
18
Tires
11
Seats
10
Wheels
5

80

Complaints

0

Recalls

0

Injuries Reported

Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026

All Engine Complaints

Date ↓ComponentSummary
May 18, 2018ENGINEOVERHEATING, REPLACED WATER PUMP THERMOSTAT CLUTCH FAN, RADIATOR IS GOOD, FUEL VALVE AND CLUTCH FAN ...
Mar 21, 2017ENGINESOON AS I DROVE OFF THE CAR LOT MY MOTER LOCKED UP. IT WAS SMOKING REALLY BAD , AND EVENTUALLY JUST ...
Dec 14, 2015ENGINETL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIM...
Apr 1, 2015ENGINEVEHICLE STARTED LEAVING SPOTS OF OIL ON THE GROUND OVER NIGHT. WAS DRIVING TO WORK ON WEDNESDAY AND ...
Jan 9, 2014ENGINE AND ENGINE COOLING,FUEL/PROPULSION SYSTEMTHE ENGINE JUST DIES WHILE DRIVING. THERE WAS AN ACCIDENT. *TR
Nov 1, 2013ENGINETHE REDUCED POWER KICKS IN AND CHECK ENGINE. NOTHING IS WRONG WITH THE ENGINE IT IS NOW HAPPENING MO...
Jul 14, 2012ENGINETL* THE CONTACT OWNED A 2003 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE DRIVING 70 MPH, FI...
Mar 1, 2012ENGINE,FUEL/PROPULSION SYSTEMTL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER. WHILE DRIVING AT 55 MPH, THE CONTACT STATED THAT ...
Nov 8, 2011ENGINE AND ENGINE COOLINGEXHAUST BOLTS HAVE BROKEN ON THE EXHAUST MANIFOLD, THIS VEHICLE HAS THE V8 ENGINE. DEALER EXPLAINS T...
Feb 2, 2011ENGINE AND ENGINE COOLINGTL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE VEHICLE WOULD FAIL TO...
Nov 1, 2010ENGINE AND ENGINE COOLING2003 CHEVY TRAILBLAZER. CONSUMER STATES PROBLEMS WITH FAN CLUTCH *TGW THE CONSUMER STATED ONCE THE ...
Sep 14, 2010ENGINE AND ENGINE COOLINGTL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER . THE CONTACT STATED WHILE DRIVING LESS THEN 10 ...
Sep 4, 2010ENGINE AND ENGINE COOLING,FUEL SYSTEM, GASOLINE,POWER TRAIN,EXTERIOR LIGHTING,VISIBILITY,VEHICLE SPEED CONTROL,UNKNOWN OR OTHERI AM FILING A COMPLAINT .AND WILL CONTINUE TO FILE COMPLAINTS UNTIL ALL OF THE CONSUMERS ISSUES HAVE...
Jul 19, 2010ENGINE AND ENGINE COOLINGTHERMOSTAT HAS FAILED TWICE DURING LONG TRIPS. THIS CAUSES THE ENGINE TO RUN HOT OR COLD. I AM ON ...
Jul 2, 2010ENGINE AND ENGINE COOLING,ELECTRICAL SYSTEMIN JULY 2010 MY TRAILBLAZERS CLUTCH FAN AND THERMOSTAT WENT OUT. I WAS ABLE TO DIAGNOSE THE PROBLEM ...
Mar 19, 2010ENGINE AND ENGINE COOLING,EQUIPMENT2003 CHEVY TRAILBLAZER - FAN CLUTCH - HAVING TO REPLACE FAN CLUTCH AFTER REPLACING LESS THAN 2 YRS A...
Oct 13, 2009ENGINE AND ENGINE COOLING,FUEL SYSTEM, OTHERTL*THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 10 TO 15 MPH, THE DRIV...
Oct 3, 2009ENGINE AND ENGINE COOLINGTHE FAN CLUTCH ON MY 2003 CHEVROLET TRAILBLAZER HAS FAILED FOR A SECOND TIME. FIRST FAILURE AT 8100...
Oct 1, 2009ENGINE AND ENGINE COOLINGANTIFREEZE IS LEAKING FROM REAR HEATER CORE. CAUSED MY ENGINE TO OVERHEAT. FLUID LEAKS AT A FAIRLY...
Sep 12, 2009ENGINE AND ENGINE COOLING,EQUIPMENT2ND TIME REPLACING CLUTCH FAN "68,000 MILES" CHECK ENGINE LIGHT COMES ON. LOUD NOISE FROM ENGINE. EV...

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