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Volvo 780 Problems

Transmission Leak From Output Shaft Seal on Volvo 780

Problem Description and Possible Solution

Transmission oil leakage from the rear output seal is common, caused by a worn output shaft bushing. Our technicians tell us both parts should be replaced to correct this concern.

(3 people reported this problem)

Volvo 780 Vehicles With This Problem

RepairPal Verified
Average mileage: 14,000 (14,000–14,000)
2 model years affected: 1990, 1991
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Brake problem? Or maybe a faulty head gasket cylinder?
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