AC Compressor Replacement Estimate for Buick Riviera

Buick Riviera AC Compressor Replacement costs $646 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$645 to $669
Labor: $168 -$192
Parts: $477
Average Dealer price
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CarServiceYourMechanic PriceShop/Dealer Price
1993 Buick RivieraV6-3.8LService typeAC Compressor ReplacementYourMechanic Price$683.65Shop/Dealer Price$847.41 - $1260.28
Show example Buick Riviera AC Compressor Replacement prices
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Parts required for a Buick Riviera AC Compressor Replacement

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331 reviews
15 years of experience
Jamahl diagnosed & repaired problem other techs couldn't figure out.He was outstanding! Thanks,Ric
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283 reviews
27 years of experience
Patrick was the mechanic that came out to change my spark plugs and wires and I could not have gotten a better mechanic. It was so nice to have someone who actually took the time to make sure everything was back in the correct place and was running right before he left. I was totally happy with his service.
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153 reviews
10 years of experience
Having done similar work on a same engine, Jose was able to do the task (replacing ignition coils and spark plugs) without removing the intake manifold. That avoided potential unnecessary complications, and I greatly appreciate.
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54 reviews
24 years of experience
Kirk came with the correct battery replacement and had the necessary sockets and extensions to reach a hard to reach nut that secured the battery clamp. I am glad I didn't have to use a towing service or get a jump start to go to a service station!
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All about AC Compressor Replacement

An AC system has many components: compressor, condenser, receiver dryer, evaporator, and hoses. The compressor, the “heart” of the car’s air conditioning system works like a pump taking refrigerant, ( R-12 Freon in older cars, R-134a in 1995 and newer cars) and pressurizing it, passing it along to the evaporator. The AC compressor has several moving parts (including pistons and valves). These internal parts can fail, causing the AC compressor to stop working. It is common for the internal parts of the compressor to come apart and disperse metallic debris throughout the system. Consequently, it is a requirement to replace the orifice tube and the receiver dryer when replacing the compressor since some of the debris may have ended up there. For an AC compressor to work, it needs a clutch, bearing, and an electrical connector. The clutch is driven by a drive/serpentine belt, which engages the compressor when you switch on the AC. The clutch can burn or the bearing can fail. If the bearing or clutch have failed, it is recommended that the compressor be replaced. Sometimes replacing the entire compressor with a remanufactured one can be cheaper than replacing an individual clutch or bearings. It is also common for the seals in the AC compressor to go bad. The compressor may start leaking refrigerant and/or the AC oil. If the seals no longer hold, you will need a new compressor, as the seals cannot be replaced. A compressor may also fail if there is sludge or debris in the air conditioning system. If there is sludge or debris, the hoses, evaporator, and condenser should be flushed to get rid of the contaminants. When it is not possible to flush the parts, you may need to replace those parts.

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