1999 GMC Sierra 1500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 GMC Sierra 1500
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1999 GMC Sierra 1500 ProblemsClicking Noise From Flasher When Turn Signals are Off
A clicking noise may be noted from the turn signal flasher after the turn signals are switched off. This is commonly cause by a faulty turn signal switch which will require replacement.
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.
1999 GMC Sierra 1500 Questionsi am smelling the coolant inside the cab and when i turn on the vent it will fog (1 answer)
it just started. i smell the coolant fluid inside the truck when i drive. is this a big problem?