Question about 2004 Chevrolet Blazer

2 Answers

A/c works but is noisy

When i turn the a/c on it starts making a clacking noise. the a/c works fine the belt is in good shape is it the clutch and if it is how do u get it out

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  • rkamikawa Nov 24, 2008

    How much gas and oil is needed to fill after compressor is replaced?

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2 Answers

This happened to mine also, and as stated above that is how it was fixed

Posted on Sep 03, 2008

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Sometimes the bearing holding the a/c pulley becomes out of grease and start sounding. This is an advice that is time to replace the clutch or if available the bearing. To replace it the a/c unit has to be removed. The gas (134A) properly evacuated and all hoses detached. To remove the clutch a puller is needed. Also a snap ring plier remover. Once replaced, attach everything in the reverse order. A vacuum has to be done in the a/c unit and gas and oil added. Enjoy it!

Posted on Jul 05, 2008

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1 Answer

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Hi!!
It could be a belt, if there is more than one belt on your vehicle, make a visual inspection of their condition with engine off, press on the belt side, where the pulleys are more separated to check the deflection, it should not deflect more than 1", get a can of Belt Dressing and spray some on the inner part of the belt(s). If problem continues, make sure the compressor clutch is not seizing up, turn A/C "ON" set it to MAX and check for strange noises on the front of the compressor (the part that turns with the belt is the compressor clutch,) turn A/C OFF and check again, there should be no noise coming from the compressor clutch, If it is too noisy with A/C OFF, have the compressor checked.
A HELPFUL - 4 THUMBS - rating for this solution would be greatly appreciated. Thank you for using FixYa.

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1 Answer

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1 Answer

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1 Answer

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1 Answer

Air conditioner makes noise which increases as you rev the engine and slows as you take foot off the gas.also, the front vents (by the windshield) also noisy when you switch to them,opposed to having the...


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