GMC Suburban 1500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your GMC Suburban 1500
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
GMC Suburban 1500 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 may cause Check Engine Light to illuminate.
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.
GMC Suburban 1500 Questionshigh speed on a/c fan switch burns out switch; high is on a separate wire ,is there a repair for this problem? (1 answer)
Already changed fuel pump and filter.the plugs,and fuel injection connecters they were bare wire that stopped the back fire. It starts right up don't have to toutch thgas