2004 Chevrolet Blazer Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Chevrolet Blazer
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2004 Chevrolet Blazer ProblemsIntake Manifold Gaskets May Leak Coolant or Engine Oil
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.
The fuel level sensor in the fuel tank may fail causing erratic fuel gauge operation. Our technicians tell us that on high mileage vehicles you may wish to replace the complete fuel pump module assembly if this condition occurs.
2004 Chevrolet Blazer QuestionsGas gauge don't read right its always saying low fuel. Sending unit or gas cap (1 answer)
I ran out of gas twice. Is my gas cap bad and all my fuel is evaporating. Or is the sending unit bad. Thanks
Addressing this problem this has been done:
1) fuel system clean out
2) MAF sensor replaced
3) fuel pump and filtering replaced
4) cooling system flush with thermostat replaced
Additionally, after engine warm-up complete, runs hot as high as 240+ degrees; ambient temp approx 90+F degrees....
My car lost power going up a hill. The RPM went up to 3-4 and the speed decreased from 70-30 MPH. The car then started again and I got it up to about 50 and then 70 but then back down to 30 and then eventually the car would not start at all. There was no fluid loss and the temp stayed normal. I ...
2004 Chevrolet Blazer RecallsAir Bag Labels May Be Incorrect
Vehicles may have an air bag warning label with incorrect statements. This is against the Federal Motor Vehicle Safety Standard. Owners will be sent corrected labels and installation instructions. The recall began June 4, 2004. The GM recall number is 04021.