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Bypass pulley why do they not make an AC bypass Pully for a 2004 chevy cavalier?

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  • Chevrolet Master
  • 5,366 Answers

Have you checked rockauto.com? They have lots of parts others don't. And lowest prices, too.

Posted on Jul 23, 2013

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6ya6ya
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Posted on Jan 02, 2017

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chiquititas
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SOURCE: Needing to remove ac compressor to install ac bypass pulley

There are a couple of ways to approach this. I just did one of these for a friend. The A/C pump seized while running. The serpentine belt broke. Crazy things can happen to other components when this occurs. In this case the broken ends of the belt, I think, whipped back around on itself on the crankshaft pulley and one of the other pulleys in the belt circuit and devastation occurred. 1) It snapped the power steering pump bracket in two. 2) It took out the alternator. 3) And not to be left out, GOODBYE cool blowin air conditioning. Time to decide what to do. He had to order the power steering bracket from a dealer (junk yards were cleaned out). He decided to replace the power steering pump with a remanufactured unit and new hoses (parts houses are much cheaper than dealer parts folks). You'll need a pulley remover that you can usually borrow (with a deposit) from some parts houses. He HAD to buy the alternato ya gotta have juice. I have been using the name, "parts houses" . (Can we use specific company names in this forum MR./MS. Editors ? I Feel I need to for the sake of all of us that come here for correct information.) THE ANSWER : DO you want to drop the bucks into fixing your A/C ? NO ? It can be involved and costly depending on how good of a do it yourselfer you are. New pumps are spendy. Then, if you use the older refridgerant you'll need a conversion kit and blah blah blah. YOU have opted for a bypass pulley. COOL ! Errrr...not actually. It's coming out. The bolts that hold the A/C pump to its bracket come out from BEHIND the bottom of the unit. They are long and won't clear the intake manifold,at least not easily. Take the bracket bolts out from the front. Take the hose from the pump to the dryer apart (at the dryer). Do you want to preserve the system for future repair? If so, cover that connection on the dryer to protect it from the world. With a sharp blade, cut the other hose coming off the pump right behind the grill. Or, try to take the fitting apart at the evaporator. Cutting it is easier. Plug the cut off end if ya want. Future repair thing. Rotate the pump forward so you can either take the bolts out,or remove the pump and bracket as a unit, with the lengths of hose attatched to the pump. This gets all that hose you no longer need out of the engine compartment. NOW THE BYPASS PULLEY. He found a pulley from NAPA. IT DOES NOT WORK ! YOU DO NOT NEED IT ! Nothing against NAPA. I have bought good parts from them before. Maybe their supplier does not know. The pulley is supposed to drop into the A/C bracket in the concave recess that the pump once occupied. IT WASN'T EVEN CLOSE. Chevy released THREE versions: Poor Boy-no power steering,no A/C. MIDMan-power steering,no A/C. Rich Guy-power steering,with A/C. SO....... If you have power steering, the A/C pump removal just put you into Midman status. Stop at your local chevy dealer, ask them to print you a belt routing diagram from the computer parts book. It shows all three versions. Go to your local,,,,,,,"PARTS HOUSE", tell them info...year,make,engine size, REMEMBER.. IT NO LONGER HAS AIR CONDITIONING. YOU'LL GET A SHORTER BELT !! IF, they sold you the bypass pulley.....GET YOUR MONEY BACK !!! Use the diagram you got. The belt is routed a little different since you lost the A/C pump and the idler pulley with it's bracket(that you can keep for future repair or trade in for to be made into beer cans) Also remember that without a belt on, the tensioner pulley is swung over to the end of it,s range of motion. When you get the belt routed correctly you have to put a wrench on the bolt on the pulley and turn hard to compress the spring. (COUNTERCLOCKWISE) The bolt is left hand thread so it won't come loose while ya reef on it to get the belt swung onto the ALTERNATOR LAST.<<<<<<GOOD LUCK !!! ADDED NOTE: Would that bypass pulley work on say...an "88" or "89" or "90" ? > I DO NOT KNOW. DID CHEVY change the size of the pump bracket after 87 ? We will be letting the good folks at NAPA know what we ran into and how we fixed it. We also will ask for a refund on the wrong part for the job. IT DOES NOT FIT AN 87! WE DO KNOW THIS..... IF the belt had just broke in half and safely dropped away, then all those parts wouldn't have been needed and the cost of the fix is FOR A SHORTER BELT and a little sweat to remove the A/C pump and bracket. The A/C NEVER WORKED ANYWAY

Posted on Jun 23, 2008

tripletauto
  • 1450 Answers

SOURCE: changing the ac clutch and

There is a special puller to remove the a/c clutch hub it screws into hub and pulls off the pulley is just held on with a snap ring

Posted on Nov 19, 2008

  • 1 Answer

SOURCE: on a 2001 saab 93 turbo can can you bypass the ac

You can bypass both the AC compressor and the middle serpentine idler pulley with a 6PK1790. The middle pulley is bypassed by running the belt straight line from the upper rear serpentine idler straight to the power steering pulley, then over the water pump (the smooth pulley powered by the back side of the belt) and down to the engine drive pulley (harmonic balancer), bypassing the AC compressor) This works fine. On 9.5 models, the same basic idea, but a slightly different sized belt.

Posted on Jul 21, 2009

emissionwiz
  • 76846 Answers

SOURCE: need to bypass the a/c compressor with pulley

see the dealer for the delete AC pulley, that is the only place to get it.

Posted on Aug 28, 2009

  • 327 Answers

SOURCE: How to reroute the belt on a chevy 2002

some cars dont need a bypass pulley just remove the ac compressor and get a belt for non ac some cars you cant do this because the belt routing is different with an idler pulley go to pepboys or autozone and ask them to print out the belt routing for both if they cant do it go to a gm dealer and ask hope this helps

Posted on Oct 16, 2010

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1 Answer

2004 Malibu maxx with no AC serpentiin belt diagram . Trying to bypass compressor cause pully locked up


I'd probably use a bypass pulley, then use the same belt. Just my opinion.
I do realize I didn't answer your question, exactly.

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Tried to replace my ac pully with a bypass pully removed all the bolts and I still can't get it budge to remove it.. I say for an hour trying but no luck help?


If you are installing a bypass pulley it will eliminate the A/C compressor thus eliminating your A/C. With that being said, you need to evacuate the system. (If there is anything in it), Remove the whole A/C compressor from the car and then install the bypass pulley where the compressor would mount to the engine. If you are trying to remove the pulley on the A/C compressor to replace it then you will need a special tool (A/C Clutch Pulley Puller) that is usually available at most auto parts store on the "Loan a Tool" programs.

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your best bet is to replace the a/c with a bypass pulley ,and a good cheap place to find one is the local junk yard

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try to put it on evry pully except the smooth one.Its easir to slid it up on the smooth pully then put it around a pully with ribs on it.

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2000 Chevy Cavalier making a noise when air is shut off


This problem sounds like the aircompressor pully, the bearing is shot.
With the engine running and the air conditioner off there is a grinding noise, look at the compressor pully, does it wobble? Then turn on the air conditioner and the noise stops, look at the compressor pully again, the wobble stops? If so that's the problem.

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Where is the tensioner pully located on a 97 chevy cavalier?


If it is a V6 the tensioner is located on the left side of engine when looking at it, between the crank pulley and the ac and alternator. If you look at the belt and follow it around you will see the tensioner which normally has the smallest pulley on it. There should also be a belt routing diagram on the fender or by radiator, this too shows the location of the tensioner.

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1 Answer

How do you bypass the ac unit on a 98 Chevy Blazer?


Go to your local parts store. Ask them for a AC bypass pully. You will remove your AC pump and replace it with the pully and bracket. hope this helps.

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