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Why is my 1999 Grand Prix Ac over charged - Cars & Trucks

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  • 339 Answers

How do you know it is overcharged? Did you put gauges on it?

Posted on Apr 28, 2013

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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VWdan
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SOURCE: Where is the AC Low pressure valve on a 1999 Pontiac Grand Prix?

sometimes its behind the alternator real close to the firewall. Find the bigger of the two hoses and pipes the low side is always bigger. Also the cap is blue and the fitting for the charging can will only fit on the right valve.

Posted on Apr 24, 2009

  • 5 Answers

SOURCE: I need to specifically know

Not sure what year your car is but on 2004's the low side is low behind the engine on the pax side. Near the alternator.

Posted on Oct 28, 2009

kirkx
  • 2019 Answers

SOURCE: how much transmission fluid does a 1999 Grand Prix

Transmission fluid does not have to deal with nearly the number of problems engine oil has to, with heat, water, acids, grit, etc., so it is not at all critical. In the old days, Ford always had a different fluid because they used different material for seals. But these days the all the fluids sold are great.

As to how much, that depends. There will only be about 4 quarts in the pan and transmission, but the total is more than twice that, and it can very anywhere in between, depending on how much fluid drains down from the torque convertor. It has a little flap that is supposed to stop drainage, but it always leaks down slowly anyhow. So there is never any set amount. You just have to estimate how much came out, put that much in to start, and keep checking and adding, with the engine running.

Posted on Feb 11, 2010

  • 1757 Answers

SOURCE: diagram for surpentine belt installation 1999 grand prix

My sincere apologies for the delayed response.
I am personally going back to answer your unanswered questions.
I have only been a free contributor to this site for the past 4-months.

I do not know if you still need this information, but I am going ahead and answering it anyway.

CLICK
on the following LINK. It has the Belt Diagrams you will need.

The standard rule to removal the Serpentine Belt:
1. Find the Tensioner(s). (See Diagrams on Link)
2. Rotate/Move the Tensioner away from contact with the belt and towards the area where the belt is not in contact with the Tensioner Pulley. The Tensioner is spring loaded, and is hard to rotate/move.

3. Remove the loosened belt off one of the other more easily accessed Pulleys.

If you would: Before Clicking: Let me know if this helped you, or if you have any additional information or questions. Feel Free to contact me at FixYa.com!

http://www.2carpros.com/car_repair_information/year/1999/make/pontiac/model/grand_prix/1999_pontiac_grand_prix_drive_belt_routing_diagram.htm

Posted on Mar 10, 2010

drsinister69
  • 2317 Answers

SOURCE: 1999 grand prix gt 3.8v 6 error codes 300 and 302

The PO300 code is random/multiple cylinder misfire detected. Sinsc you have the code PO302, that means that cylinder 2 is the one misfiring, usually a bad coil pack, or spark plug.

Posted on May 12, 2010

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Where is the AC Low pressure valve on a 1999 Pontiac Grand Prix?


sometimes its behind the alternator real close to the firewall. Find the bigger of the two hoses and pipes the low side is always bigger. Also the cap is blue and the fitting for the charging can will only fit on the right valve.

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