1999 GMC Suburban 1500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 GMC Suburban 1500
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1999 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.
1999 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)
When making a left turn or going around a turn toward the left the steering will lock for a few seconds then release. You can feel a jerk when it releases. I have had upper ball joints replaced and had an alignment recently. What would cause this?