1999 GMC 1500 Pickup Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 GMC 1500 Pickup

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1999 GMC 1500 Pickup Problems

Check Engine Light Due to Gas Cap Issue

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

Front/Rear Differential May Develop Noise Due to Worn Bearings

The front or rear differential may develop an abnormal noise due to worn bearings or another internal fault. Our technicians tell us that a complete overhaul of the affected differential is commonly necessary to correct this condition.

Engine 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.

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1999 GMC 1500 Pickup Questions

Why does my oil smell like gas...and white smoke come out of exhaust system. (2 answers)

New exhaust system n o2 sensor ..still smoke with the engine warm up ..but sometimes no smoke..and other times a lot ..the oil is not milky ..but oil cap looks like water bubbles on it ..Please help me out..thank you

The battery is fully charged but engine will not turn over. (1 answer)

When the key is turned nothing happens except lights come on. When turned to the start positive n trans. Indicator lights go out and all 2wd/4wd lights come on.

do you need the park brake or is their a secondary or is that the only emergency (1 answer)

like on the disc itself like most trucks not this alien craft i ended up with stupid set up

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1999 GMC 1500 Pickup Recalls

Seat Belts Not Proper For Vehicle

The seat belts installed on the vehicle may not meet proper federal requirements. Dealers will replace both front seat belts free of charge to resolve the concern.

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