The engine oil cooler inlet hose may have been installed too close to the steering gear causing chafing. The chafing can eventually wear through the hose's protective sleeve resulting in engine oil leaking onto the engine.
Engine & cooling
Buick Roadmaster Engine problems by year
36 complaints filed with NHTSA about the Buick Roadmaster's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
Engine complaints by model year
Engine recalls
Latest Roadmaster engine complaints
Problems starting vehicle, and once started vehicle stalls.*Mr consumer had battery replaced at 1 1/2 years. Starter was replaced.*Ts
Consumer states while traveling without any indication vehicle stall. Consumer had vehicle service technician notice temperature gauge needed to be replaced. Please provide further information. Mr
To start the engine , and the car was pushed into st stall by.The ss tube under the car and the ss manifold on the motor block are connected vie a thin-walled plasric tube, which is heat-shrinke under the car and connected to the manifold by a flimsy plastic connector. Both connectors broke ( of course they must brake eventually thru age etc), and the gas spilled onto the hot motor block, forming a puddle and vaporizing , thus forming an explosive mixture waiting to be ignited from the hot exhaust mamnifold. *Ak referenced in ea02-030
Coolant leaks, water pump keeps going out which ruins the distributor. Had water pump replaced 3 times. Dealer contacted. Cause unknown.*Ak consumer states that vehicle drifts to right, coolant leak near thermostat and replaced coolant pump refill, brakes squeal when turning, both rear wheel cylinders were leaking and were replaced, and there is a shudder on brake when applying, also front brakes were replaced, wheel bearings repacked and needs rear drums resurfaced. *Yd
Consumer stated without prior warning, the vehicle hesitates when shifting gears.*Ak. Consumer stated the driver wheel fell broke off due to the nuts and bolts had broken off, the brakes went out, the vehicle would not go into reverse, the thermostat went out, passenger window would not roll down, turn siganl was inoperative, windshield was replaced, and the upper ball joints were replaced.*Slc
When engine is substantially wet power steering is lost. There is no prior warning. Dealer was unable to provide remedy, but has recognized the defect.*Ak
While driving steering controls of the vehicle will lock up. Water pump leaks on to the belt while driving at low speed and when making a sharp turn . Belt slips, and locks up power steering. *Ak
Engine stops running with out any pattern... Hot, cold fast,slow. *Ak
Factory installed water pump without the bearing seal. This caused coolant leakages and overheating. Engineer inspected original water pump and stated that the bearings were not sealed and should not have failed at 45000 miles. *Ak *ml
Coolant leaks from the bottom of the water pump onto vibration damper and power steering belt, causing loss of control. Please give any further details. *Ak
Ongoing / intermittent problem with engine stalling. Dealer notified, and informed consumer that the problem was due to a defect in the remote jump starting terminal, and repairs would be done at consumer cost. *Ak
Front cam oil leak repair 2 times bad front spring replace overheating, replaced thermostat and water pump, to no avail, coolant sensor installed problem solved. Model roadmaster
Engine began puffing and the smell of exhaust was detected in the cabin. Upon examination by the dealer two bolts on the left front of the engine that hold the exhaust manifold to the engine were sheared off causing the exhaust leak. Dealer stated that bolts were either defective or improperly installed at manufacturer. Not due to fair wear and tear. Engine had been previously untouched since purchase new. *Ak
Due to defective water pump which leaked and sprayed unto the power steering belt, power steering became inoperative and almost resulted in a loss of control. *Ak
When climbing a hill car shutters and changes gears. Dealer contacted and stated catalytic coverter was defective. Problem still exists. Tsb #92-74l60-8. Provide further information. *Ak
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data