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temperture again

This is a discussion on temperture again within the General Help forums, part of the LSx Technical Help Section category; guys........ I'm still having the same problems i mean i've done them all and the temperture keeps rising when i ...

  1. #1
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    red
    1999

    temperture again

    guys........
    I'm still having the same problems
    i mean i've done them all and the temperture keeps rising when i turn on the a/c.
    Last edited by 0rion; 07-20-2008 at 10:40 PM.

  2. #2
    Life in the Fast lane sunsetorangess's Avatar
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    Met. Sunset Orange
    01 SS

    What problems? What have you done so far? Does it only raise with the a/c on? Are your fans kicking on? When you turn your a/c to max both fans should come on.
    J
    2001 SS, Its not the car its the Driver that matters....

  3. #3
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    red
    1999

    camaro ss 99

    i have replaced the fan motors, the fan relays, the water pump, the radiator, the thermostat sensor, the a/c compressore and i had this problem since the old engine.

  4. #4
    Impounded
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Ever think of the guage cluster itself???

  5. #5
    Life in the Fast lane sunsetorangess's Avatar
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    Met. Sunset Orange
    01 SS

    Are the fans coming on? also i noticed you left out the Rad cap. Have you changed it out?
    Got all the air out of the system?
    J

  6. #6
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    red
    1999

    sorry i forgot to tell you guys about them
    i mean i replaced the gagge and i have additional digital gagge also showing me the tepm. and replaced the cap with escaping the air from the system.

    also i want to ask about the max temp it should reach when the a/c is on in kelvin.
    Last edited by 0rion; 07-20-2008 at 10:40 PM.

  7. #7
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    fan1
    on 226F = 107.8C = 380.9K
    off 219F = 103.9C = 377K

    fan2
    on 234F = 112.2C = 385.4K
    off 227F = 108.3C = 381.5K

  8. #8
    MOTOR CITY MARO' SSTODD's Avatar
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    PEWTER
    2000 CAMARO SS #3821

    You also must have the airdam under the nose of the car to force air up into the radiator. It's the thing that always scrapes the ground on driveways.

  9. #9
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    red
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    I've got it

  10. #10
    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    There was a guy here who had his heater hoses connected incorrectly at the water pump and his car overheated. He had the top hose connected to the bottom fitting and the bottom hose connected to the top fitting.

  11. #11
    Senior Member bigrondownhiller's Avatar
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    Black
    1996 Camaro Z28 vert

    How old is the thermostat? You could have a clogged radiator. What temp does it go to?

  12. #12
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    red
    1999

    i will check the heater pipes and about the thermostat and the radiator they are new i replaced them two weeks ago.

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    Red
    2002 Z28

    make sure the radiator hoses arent on backwards! i have done that too!

  14. #14
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    Pewter
    2000 Trans Am

    Check the belt tension. The only thing I can point at is that your condenser fan isnt coming on.

  15. #15
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    red
    1999

    i will check the fan and the codenser.
    thanks

  16. #16
    Senior Member Danger731's Avatar
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    I installed an aftermarket guage and I think it is a result of a change in current flow from the sensor. I turn my AC on and it jumps up 10 - 15 degrees, turn it off and it immediatley goes back dow, It is not the result of the AC itself IMHO.
    04 C5 A4 Torch Red

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  17. #17
    Member edbird's Avatar
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    red
    1999 trans am convert

    GM issued this TSB :
    Document ID# 660313
    1999 Pontiac Firebird


    --------------------------------------------------------------------------------

    Engine Runs Hot, Overheats, Loss of Coolant (Polish Filler Neck/Replace Radiator Cap) #00-06-02-001 - (Jan 5, 2000)
    Engine Running Hot, Overheating and/or Loss of Coolant (Polish Radiator Filler Neck and Replace Radiator Cap)
    1999-2000 Passenger Cars and Trucks

    with Composite Radiator End Tank


    Maybe this will help.
    Condition
    Some customers may comment on one or more of the following conditions:

    Engine running hot
    Engine overheating, and/or
    Loss of coolant/low coolant message
    Cause
    The radiator filler neck may have an imperfection in the sealing surface.

    Correction

    Important
    DO NOT REPLACE THE RADIATOR.


    Using a piece of 400 grit wet/dry sandpaper backed with a flat piece of wood, polish the filler neck sealing surface using a circular motion.

    Replace the radiator pressure cap with a cap of the same part number as shown in the GM Service Parts Catalog.

    Warranty Information
    For vehicles repaired under warranty, use:

    Labor Operation
    Description
    Labor Time

    J3020
    Cap, Radiator Filler - Replace
    0.2 hr




    GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.
    WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION


    Copyright General Motors Corporation. All Rights Reserved.


    --------------------------------------------------------------------------------
    Document ID# 660313
    1999 Pontiac Firebird

  18. #18
    Senior Member Danger731's Avatar
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    there ya go,
    If you are looing coolant....

    btw I paid attention to mine yesterday and it is actually a 20 degree jump the instant I turn the AC switch on. That tells me it is an amperage fluctuation. If you want to see the actual temp turn the AC off and then flip it back on.

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