1991 Buick Century Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 Buick Century

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell us that operating the engine  with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.

One or more power window switch may fail. The affected window may work intermittently before failing completely.

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.

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91 Custom: Did the following:
1. Tested fan still works
2. Replaced Temp Sensor
3. Replaced the Thermostat
4. NO Trouble Codes
5. Tested ECM ( by unplugging he MAF Sensor, this caused trouble code car -car ran erratic while unplugged) Plugged in and the car ran great error code gone.
6. Tu...

I changed my fuel filter,changed my burned out fuse which was(eng/ac),and checked all fuel lines,sprayed carburetor cleaner and cranks but wont turn on.Now i rechecked everything now there's no power going through the fuel injectors?

I have water in the oil on 91 3300 century. Car has 100000 miles. Is it worth taking apart and replacing heads or gaskets?

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THESE VEHICLES WERE ASSEMBLED WITH REAR OUTBOARD SAFETY BELT ANCHORAGES THAT MAY NOT WITHSTAND THE REQUIRED LOAD. THIS DOES NOT COMPLY WITH FMVSS NO.210, "SEAT BELT ASSEMBLY ANCHORAGES."THE POWER SEAT OR RECLINER WIRING HARNESS CAN BE PINCHED OR CAN CHAFE ON THE SEAT FRAME OR SPRING SUPPORT ROD, WEARING THROUGH THE WIRE INSULATION AND CAUSING AN ELECTRICAL SHORT.

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An excellent car for those who like to explore while being comfortable. Also great as a commuter vehicle because of the fact that one has plenty of legroom and trunk space is not limited.

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