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Bypass ac compressor pulley - Pontiac Cars & Trucks

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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chiquititas
  • 1010 Answers

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

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  • 33 Answers

SOURCE: AC compressor clutch has gone bad

ok well sounds to me like your gonna have to remove the ac comp. itself which will take a little work... the new pully will prolly be a bracket that bolts up were the ac comp is now but it will be free spinning i have not done this specfic one but thats like one i did once you will have to empty the ac system of all refrig which to be done properly you must have a recovery machine {which means shop which means money im sorry} then remove the lines and un bolt comp. when all said and done you will notice better gas milage so thats a plus i hope this was helpfull and once again this is how i did it to my old blazer i used to have so i hope that its the same for you best of luck man

Posted on Mar 27, 2009

  • 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
  • 76691 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

cool78259
  • 228 Answers

SOURCE: ac compressor pulley siezed, wondering

there is a site called monster auto parts. com they sell a bypass pulley that you replace your ac compressor with. it's about 35 dollars, but you may find one. less shipping charges locally where you live at an auto parts store. good luck!

Posted on Jan 04, 2011

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1 Answer

2001 impala 3.8 liter belt size to bypass AC unit


You can also remove the a/c compressor and install a bypass pulley in its place. You can still use the standard belt this way, just run it to the bypass pulley instead of the a/c compressor. RockAuto has them at the link.
http://www.rockauto.com/en/catalog/chevrolet,2001,impala,3.8l+v6,1384084,heat+&+air+conditioning,a/c+compressor+bypass+pulley,10329

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2001 chevy venture what size is belt that bypasses a.c. compressor the exact measurements


There is no belt to bypass the AC cataloged, when the AC is not ordered on the car (AC delete) or the compressor is removed for some reason then you must use what is called an AC delete pulley, it bolts in place of the AC compressor and you use the same belt. The pulley is cheap and either the dealer or most good auto parts stores like NAPA (or others) can order it for you, in the aftermarket the pulley's are made by a company called DORMAN

Jan 05, 2017 | Cars & Trucks

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Bypass ac compressor with shorter serpentine belt 2001-02 Mercury Sable LS


Because in most cases the routing will not work without the pulley for the compressor being in use. That's why some engines have a dummy pulley available to use in place of the compressor.
Not using the compressor pulley can cause the belt to drive a pulley the wrong direction, or not have the grooved side of the belt on a pulley.

Mar 09, 2014 | Mercury Sable Cars & Trucks

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Ac compressor bypass


you can try to use a belt for a Sedona that came without A/C. they don't make a bypass pulley.

Feb 24, 2014 | 2002 Kia Sedona

1 Answer

Bad ac comp. pulley. bypass possible?


Go to your auto part store and ask for Dorman A/C compressor bypass pulley.

Check out a sample video here.
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CE8QuAIwAA&url=http%3A%2F%2Fwww.autozone.com%2Fautozone%2Fparts%2FDorman-A-C-Compressor-Bypass-Pulley%2F_%2FN-91tb7%3FitemIdentifier%3D593937_0_0_&ei=WCnXUszmC4aIygHul4GACg&usg=AFQjCNHJchbMS7f3TM2c0CNnLJRak7uC9A&sig2=n8fPLM_KV5YnEcSD_FW3eA&bvm=bv.59568121,d.aWc

Jan 16, 2014 | Cars & Trucks

2 Answers

The ac compressor is seized .I need to replace belt but I need to bypass the ac pulley.Do i need to buy a bypass pulley?


If the pulley on the compressor will not turn freely, then yes if a bypass pulley exists you would need to use it in place of the compressor.
If the compressor pulley turns but the compressor is locked up, just unplug the compressor clutch.

Feb 24, 2013 | 1994 Chevrolet G20

1 Answer

How to install a/c bypass pulley on 1988 buick park avenue


Most ac bypass pulleys simply bolt on where the ac compressor was. when you remove the compressor save the bolts. AC bypass pulleys are car specific. Each one is made to fit a specific engine. there is no such thing as a universal so make sure that you have the correct one.

May 31, 2012 | 1998 Buick LeSabre

1 Answer

How do i put bypass pulley on ac unit


AFTER YOU HAVE AC SYSTEM DISCHARGED AT A GARAGE OR DEALERSHIP. WHEN YOU REMOVE THE AC COMPRESSOR THE BY PASS PULLEY WILL MOUNT IN THE SAME SPOT AS AC COMPRESSOR.THE BYPASS PULLEY KIT WILL HAVE INSTRUCTION ON HOW TO INSTALL IT.

Oct 18, 2010 | 1999 Oldsmobile Alero

1 Answer

Questions about ac pulley and belt?


the defrosters run with the ac compressor running whenever its 49 degrees and higher. it does that to get rid of humidity faster. the pulley works off the ac clutch behind the pulley so you have a locked up clutch. find a belt to fit by bypassing the ac compressor will do if you like

Mar 16, 2010 | Dodge Stratus Cars & Trucks

1 Answer

On a 2001 saab 93 turbo can can you bypass the ac compressor or is there a bypass pulley


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.

Jul 16, 2009 | 1999 Saab 9-5

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