The average cost for a Rear Main Seal Replacement is between $853 and $1093. Labor costs are estimated between $827 and $1044 while parts are priced between $26 and $49. Get a personalized estimate based on your location and specific car. Estimate does not include taxes and fees.
Rear Main Seal Replacement Cost for Chevrolet Trailblazer SS
Rear Main Seal Replacement Estimate (National Average)
Replacement of the rear main seal requires removal of the transmission. Due to this labor intensive job, shops will often suggest having the rear main seal replaced anytime the transmission is removed.
The rear main seal may also be referred to as the "rear crankshaft seal."
When a Chevrolet Trailblazer SS rear main seal leaks, engine oil will often be found dripping from between the engine and the transmission.