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Park Avenue

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Question
coolant mix with oil running hot
The coolant will mix with the oil on these engines due to a couple possible problems. The intake coolant passages will leak into engine through the intake o-ring gaskets. The other possible cause is the head gaskets and heads will...
Question
My heat stop blowing all together.
It sounds like you may have a faulty blower motor relay. Occasionally, the blower motor itself will wear out or become faulty working intermittently as the brush contacts inside the motor wear out. The blower motor relay supplies power to...
Question
Car wont start after battery swap.
Hi there. Typically the anti-theft security feature will trigger an OBD-II trouble code when the battery is removed for an extended period of time, like when the battery is replaced. The only way to reset the system to my knowledge...
Question
Oil leak\replacement
Hi...the repair procedure for the oil pan gasket on your vehicle is fairly straightforward. However, it is recommended that you have a certified mechanic perform the operation as, at a minimum, you have to have a calibrated torque wrench. Fasteners...
Question
How much would it cost to fix the passenger doors unlocking mechanics?
Billing question sent to CS for the cost of repairing the door locks on the passenger side door of a 1999 Buick Park Avenue.
Question
how do you make the side mirriors not dip down when car is put in reverse
Hi there: The mirrors shifting downward is an automatic function that is programmed in the ECU by the manufacturer. It can't be removed unless you remove the electrical function of the mirrors which will disable the motor and automatic adjustment...
Question
Car wont start
This may be related to many different possibilities, some of which may be related to a lack of spark and some of which may be related to a fuel delivery problem or a combination of both. For example, if the...
Question
Car will not start
Hello there, many common faults will cause your 1996 Buick Park Avenue to not start. You have done great in replacing the battery and starter as these are the usual suspects when the vehicle won't start. There are a few...
Question
Heater blows cool air instead of heat
Hi There, It sounds like you may have a heater core that is not functioning properly. The [heater core]((https://www.yourmechanic.com/services/heater-is-not-working-inspection) is a small radiator like unit that circulates the hot coolant from the engine through the heater core which then uses...
Question
Car's transmission not shifting properly.
Without being able to physically check the vehicle, I can suggest the basics. Make sure the transmission fluid level and condition are as they should be. Automatic transmissions are hydraulic and rely on fluid level and condition to properly operate....
Question
Air conditioner condensor bad 1995 Buick Park Avenue
Hi - if your air conditioner condenser (or compressor) have failed, you can continue to use the standard serpentine belt as long as the compressor is not engaged. This can be accomplished most simply by unplugging the wire going to...
Question
Can I turn off the SES Light ?
The purpose of the SES light is to alert you that there is a malfunction in the engine or powertrain. When the SES light turns on, you can attach a code scanner to the vehicle's OBD-II port under the steering...
Question
repair price
Claimed by Jeff Engstrom
Question
Vehicle stalls when ignited and now it will not turn on
Hello, There are a number of reasons that may cause the catalytic converter to fail. They include: O2 sensor, fuel injectors, spark plugs, EGR valve system, exhausts manifolds, vacuum hoses, and MAF sensors. I would suggest having all of these...
Question
Drive 100 miles after sensor replacement in order to see if it worked?
Hi there. When an error code is created that illuminates a warning light on the dashboard, it takes a while in order for the ECU to reprogram and deleted the warning light. This is typically the reason for driving 100...
Question
2005 Buick park ave ultra with sluggish accelerations aftera catalytic converter swap full tune up fuel pump filter plugs both o
Hi there. Although it is possible your ECU is the culprit of these issues, it's rather unlikely. In most cases, when you complete changes to O2 sensors, catalytic converter and other downstream systems, the front end fuel system components that...
Question
Good Morning Armando. My name is Barbara Ann and I have a 1999 Buick Park Avenue Ultra and I( need to find the LOCATION of the "N
The mechanics that told you it is on the transmission is correct. You need to look for the shift cable where it connects to the transmission shift lever on it. The sensor is mounted below this shift lever on top...
Question
Engine oil leak only when temperature goes below 12 degrees F.
Hello, Unfortunately, in extreme cold weather the fluids in your car are not thin enough in their cold state to be forced through internal seals, which can cause them to tear the seals. When this happens, various fluid leaks develop...
Question
My 1998 Buick Park Avenue only runs hot when in traffic or just idling. What's the cause of it running hot?
Either the cooling fans on the radiator are not working properly or the radiator is plugged up to where there is a restriction when the engine's water pump is running at a slow speed. If you suspect that the radiator...

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