The high pressure power steering hose will commonly leak fluid; it should be replaced.
Resources for the Repair and Maintenance of your 1990 Pontiac Grand Prix
1990 Pontiac Grand Prix
1990 Pontiac Grand Prix Problems
The fuel pump may fail causing engine to stall and not restart.
You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned then the transmission system should be completely flushed.
The water pump may develop a coolant leak resulting in an engine overheating condition.
The upper intake manifold gasket and/or a PCV vacuum lines/hoses can develop vacuum leaks with age. This type of leak can result in a higher that normal or rough idle.
1990 Pontiac Grand Prix Recalls (Recent)
Summary: FRONT SHOULDER BELT GUIDE LOOP ATTACHMENT FASTENER MAY PULL THROUGH DOOR MOUNTED ANCHOR PLATE.Learn more »
Summary: VEHICLE DESCRIPTION: PASSENGER VEHICLES ORIGINALLY SOLD OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN, AND THE DISTRICT OF COLUMBIA, WHERE ROAD SALT USE IS HEAVY. A CONDITION WHERE ONE OR BOTH FRONT ENGINE CRADLE BOLTS CAN PULL THROUGH THE RETAINERS DUE TO CORROSION OF THE RETAINERS.Learn more »
Summary: VEHICLE DESCRIPTION: PASSENGER VEHICLES AND MINI VANS ORIGINALLY SOLD OR CURRENTLY REGISTERED IN THE FOLLOWING STATES: CONNECTICUT, ILLINOIS, INDIANA, MAINE, MASSACHUSETTS, MICHIGAN, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT AND WISCONSIN. THE REAR CRADLE BOLTS PULL THROUGH THE RETAINERS DUE TO CORROSION OF THE RETAINER. IF BOTH BOLTS PULL THROUGH, THE REAR CRADLE WOULD NOT LONGER BE SUPPORTED AT THESE MOUNTING LOCATIONS AND THE STEERING INTERMEDIATE SHAFT CAN SEPARATE FROM THE STEERING GEAR.Learn more »
Summary: CRACKS DEVELOP IN THE WHEEL MOUNTING SURFACE. IF THESE CRACKS BECOME SEVERE ENOUGH, THE WHEEL WILL COMPLETELY SEPARATE FROM THE VEHICLE.Learn more »
1990 Pontiac Grand Prix Questions and Answers
can i route the belt without the smog pump being on.
car runs fine at idle but when it warms up and when the gas pedal is pressed it cuts off
i replaced abs module etc with regular brake master cyl etc
how can i get abs lights etc to not come on since there is
no abs but it had several wires left hanging, thanks
bad water leak