Chevrolet Express 3500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Chevrolet Express 3500
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Chevrolet Express 3500 ProblemsEngine Misfire Due to Worn Valve Seat
The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Our technicians tell us the misfire may or may not be felt while driving. They further recommend that both cylinder heads be removed and thoroughly inspected and repaired as necessary.
A loose or worn gas cap could be cause the Check Engine Light to illuminate.
A Loose or worn gas cap may cause Check Engine Light to illuminate.
Chevrolet Express 3500 QuestionsWhy does my ac blow cold, then hot, then cold then hot? (1 answer)
When the outside temp gets above 90 degrees the ac will begin to blow hot air. If I switch to Max AC and high fan speed it will eventually begin to blow cold air again. I can then switch back to AC and it will cool for awhile until it starts the hot air again.
I have checked the freon levels a...
The ac has very cold air idling. The compressor is engaged. I have cleaned the coil. When driving the ac air will blow cold, then not as cold, and back and forth but will keep the cab cool. When it gets above 90 degrees out side it will start blowing hot. If I turn the knob to full cold, max ac,...
truck drives fine. temp rises gauge goes up, then like thermostat opens temp goes down, but fluctuate already changed out thermostat for new one
Chevrolet Express 3500 RecallsEngine Stalls From Electrical Module Short
The chassis electrical module can short due to internal contamination. This can result in the vehicle stalling. Dealers will replace the chassis electronic module free of charge to resolve the concern.
Certain vehicles equipped to run on compressed natural gas are being recalled because the high pressure natural gas regulator could develop a leak, increasing the risk of a fire or explosion. Dealers will replace the natural gas regulator to correct this concern.
For handicap conversion vans modified by Cummings Mobility, the Braun wheel chair lift may have latches that do not properly secure a wheel chair. Cummings Mobility will provide replacement parts free of charge to resolve the concern.