An engine vacuum leak may develop from the throttle body gasket causing a higher than normal idle speed. Failed gaskets should be replaced.
Chevrolet Suburban 1500 Problem Reports
Most Reported Chevrolet Suburban 1500 Problem Reports
At low speeds vehicle went in to traction control mode, dealer spent 10000 mile trying to figure it out. Problem was front wheel sensors, fixed at 41,000 mile. Now at 76,000 mile same problem.
A Loose or worn gas cap may cause Check Engine Light to illuminate.
A coolant leak may develop form the Intake manifold gasket causing overheating complaints. The coolant leak may be internal allowing coolant to mix with the engine oil, this condition can result in internal engine damage. Be aware that this problem is often mistaken as a blown head gasket.
turn signals work fine until brakes are applied and then at least triple in blinking speed
A burning smell may develop due to an oil leak form one or both valve cover gaskets. Resealing the valve cover will generally correct this concern. However, the valve covers should be inspected and replaced if damaged.
The pitman arm and/or lower ball joints may wear causing loose steering and alignment issues. Replacement of worn components will be necessary before the alignment can be properly set to specification.
The rear brake lights overheat resulting in the plastic lamp bulb connectors melting and finally the lamp itself breaks a filament. The service lamp filament which is the in the same bulb continues to operate. I tried fitting LED bulbs to try and reduce the current drain, but both burnt out as soon as the brakes were applied.
Growling Noise from front differential - replaced side and carrier bearings
Whining noise 40 mph - 60 mph - louder under load - quiet when coasting. Ring and Pinion going bad
Noticed white colored goo on oil dipstick during oil addition. Dealer indicated a failed head gasket. Solution is to replace the head gasket. Will also replace the valve cover which the dealer indicates is now a better design than the original cover. Dealer estimate is approx. $1200.