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Discuss PLEASE HELP!! 95 Grand Prix Issues in the alt.autos.pontiac forum at Car Dealer Forums; I have a 95 grand prix se 3.1 and i have put a new radiator, ...
  1. #1
    audioman24
    Guest

    Default PLEASE HELP!! 95 Grand Prix Issues


    I have a 95 grand prix se 3.1 and i have put a new radiator, water pump,
    power steering pump and lines, new radiator hoses, thermostat,(but temp
    doesnt show on dash even though i put a new cluster)and other little
    things it recently had a head gasket change.Ok my issue is its overheating
    while in park but not when driving and the fans dont come on also it
    hesitates to start sometimes but when it does it will high rev up to 2.5
    then slowly go down sometimes.also when i go to hit the gas it will
    sputter like it isnt getting gas maybe fuel fiter??? anyways its giving me
    trouble i usually do all the work on my vehicle im a quick learner im in
    college doing collision repair so i need to save as much as possible all
    advice and help will be greatly appreciated and not took for granted can
    somebody walk me through this i have 3 kids this car is our life!!! God is
    with me but i need some mechanic help i just drained the radiator fluid
    and put 50/50 dex cool i put the plug back,.. opened the bleeder valve on
    the upper radiator hose to make sure no air until fluid came out then
    filled the resivoir till cold mark,... left radiator cap off started it,..
    it went down so i put more fluid till it reached the base of the neck of
    radiator. put the cap back on then felt the hose get hot is that right??
    please help with any info about this vehicle. thank you for your time. God
    bless you
    -------------------------------------
    Always Faithfull



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    › See More: PLEASE HELP!! 95 Grand Prix Issues

  2. #2
    clare@snyder.on.ca
    Guest

    Default Re: PLEASE HELP!! 95 Grand Prix Issues

    On Thu, 14 Jun 2012 15:52:59 +0000, audioman24
    <poetryforever24_at_yahoo_dot_com@foo.com> wrote:

    >
    >I have a 95 grand prix se 3.1 and i have put a new radiator, water pump,
    >power steering pump and lines, new radiator hoses, thermostat,(but temp
    >doesnt show on dash even though i put a new cluster)and other little
    >things it recently had a head gasket change.Ok my issue is its overheating
    >while in park but not when driving and the fans dont come on also it
    >hesitates to start sometimes but when it does it will high rev up to 2.5
    >then slowly go down sometimes.also when i go to hit the gas it will
    >sputter like it isnt getting gas maybe fuel fiter??? anyways its giving me
    >trouble i usually do all the work on my vehicle im a quick learner im in
    >college doing collision repair so i need to save as much as possible all
    >advice and help will be greatly appreciated and not took for granted can
    >somebody walk me through this i have 3 kids this car is our life!!! God is
    >with me but i need some mechanic help i just drained the radiator fluid
    >and put 50/50 dex cool i put the plug back,.. opened the bleeder valve on
    >the upper radiator hose to make sure no air until fluid came out then
    >filled the resivoir till cold mark,... left radiator cap off started it,..
    >it went down so i put more fluid till it reached the base of the neck of
    >radiator. put the cap back on then felt the hose get hot is that right??
    >please help with any info about this vehicle. thank you for your time. God
    >bless you
    >-------------------------------------
    >Always Faithfull

    It sounds like the fans or fan control circuit are faulty. If the
    engine coolant sensor is not functioning the fan will never come on.
    Unlike the 3.8, the 3.1 only has one fan.
    The wires to the coolant sensor should be black and yellow. The black
    is the sensor ground. The yellow should have 5 volts with the
    connector disconnected. The sensor should read 1365 ohms at 100
    degrees F and 55 ohms at 260 F.

    Shorting the temp sensor should turn on the fan - but better to use a
    resistor - a 56, 62, 68, or 75 ohm 1/4 or 1/2 watt will do the job and
    ensure you don't damage anything. With the resistor in place and the
    ignition on (engine running or not) you should hage 12 volts on the
    blue wire at the fan.

    If you do and the fan does not run, try "hotwiring" the fan. If it
    runs then, the ground is the problem - and it is controlled by the
    computer and the air conditioning. Just bypassing the black wire to
    ground will stop the overheating.

    If no power on the blue wire, check the fan relay. Terminal 85 on the
    relay should be "hot" with the ignition on, ( from the ignition fuse)
    and terminal 87 should be hot at all times. The computer grounds
    Terminal86, energizing the coil which puts power to terminal30. In a
    pinch you can put a switch across 87 to 30 to turn the fan on and
    off. If no power on terminal 87 you have a bad connection to the
    battery - possibly a bad fusible link (connects to the starter
    solenoid).

    After you've gone through that if you have not found the problem or
    fixed it, let me know and we can dig deaper.

  3. #3
    audioman24
    Guest

    Default Re: PLEASE HELP!! 95 Grand Prix Issues

    responding to
    http://www.motorsforum.com/pontiac/p...ues-22555-.htm
    audioman24 wrote:

    clare wrote:

    > On Thu, 14 Jun 2012 15:52:59 +0000, audioman24
    > <poetryforever24_at_yahoo_dot_com@foo.com> wrote:


    >>
    >>I have a 95 grand prix se 3.1 and i have put a new radiator, water
    >> pump,
    >>power steering pump and lines, new radiator hoses, thermostat,(but
    >> temp
    >>doesnt show on dash even though i put a new cluster)and other
    >> little
    >>things it recently had a head gasket change.Ok my issue is its
    >> overheating
    >>while in park but not when driving and the fans dont come on also
    >> it
    >>hesitates to start sometimes but when it does it will high rev up
    >> to 2.5
    >>then slowly go down sometimes.also when i go to hit the gas it will
    >>sputter like it isnt getting gas maybe fuel fiter??? anyways its
    >> giving me
    >>trouble i usually do all the work on my vehicle im a quick learner
    >> im in
    >>college doing collision repair so i need to save as much as
    >> possible all
    >>advice and help will be greatly appreciated and not took for
    >> granted can
    >>somebody walk me through this i have 3 kids this car is our life!!!
    >> God is
    >>with me but i need some mechanic help i just drained the radiator
    >> fluid
    >>and put 50/50 dex cool i put the plug back,.. opened the bleeder
    >> valve on
    >>the upper radiator hose to make sure no air until fluid came out
    >> then
    >>filled the resivoir till cold mark,... left radiator cap off
    >> started it,..
    >>it went down so i put more fluid till it reached the base of the
    >> neck of
    >>radiator. put the cap back on then felt the hose get hot is that
    >> right??
    >>please help with any info about this vehicle. thank you for your
    >> time. God
    >>bless you
    >>-------------------------------------
    >>Always Faithfull
    >> It sounds like the fans or fan control circuit are faulty. If the

    > engine coolant sensor is not functioning the fan will never come on.
    > Unlike the 3.8, the 3.1 only has one fan.
    > The wires to the coolant sensor should be black and yellow. The black
    > is the sensor ground. The yellow should have 5 volts with the
    > connector disconnected. The sensor should read 1365 ohms at 100
    > degrees F and 55 ohms at 260 F.


    > Shorting the temp sensor should turn on the fan - but better to use a
    > resistor - a 56, 62, 68, or 75 ohm 1/4 or 1/2 watt will do the job and
    > ensure you don't damage anything. With the resistor in place and the
    > ignition on (engine running or not) you should hage 12 volts on the
    > blue wire at the fan.


    > If you do and the fan does not run, try "hotwiring" the fan.
    > If it
    > runs then, the ground is the problem - and it is controlled by the
    > computer and the air conditioning. Just bypassing the black wire to
    > ground will stop the overheating.


    > If no power on the blue wire, check the fan relay. Terminal 85 on the
    > relay should be "hot" with the ignition on, ( from the
    > ignition fuse)
    > and terminal 87 should be hot at all times. The computer grounds
    > Terminal86, energizing the coil which puts power to terminal30. In a
    > pinch you can put a switch across 87 to 30 to turn the fan on and
    > off. If no power on terminal 87 you have a bad connection to the
    > battery - possibly a bad fusible link (connects to the starter
    > solenoid).


    > After you've gone through that if you have not found the problem or
    > fixed it, let me know and we can dig deaper.




    -------------------------------------
    Always Faithfull




  4. #4
    audioman24
    Guest

    Default Re: PLEASE HELP!! 95 Grand Prix Issues

    responding to
    http://www.motorsforum.com/pontiac/p...ues-22555-.htm
    audioman24 wrote:

    clare wrote:

    > On Thu, 14 Jun 2012 15:52:59 +0000, audioman24
    > <poetryforever24_at_yahoo_dot_com@foo.com> wrote:


    >>
    >>I have a 95 grand prix se 3.1 and i have put a new radiator, water
    >> pump,
    >>power steering pump and lines, new radiator hoses, thermostat,(but
    >> temp
    >>doesnt show on dash even though i put a new cluster)and other
    >> little
    >>things it recently had a head gasket change.Ok my issue is its
    >> overheating
    >>while in park but not when driving and the fans dont come on also
    >> it
    >>hesitates to start sometimes but when it does it will high rev up
    >> to 2.5
    >>then slowly go down some
    >>sputter like it isnt getting gas maybe fuel fiter??? anyways its
    >> giving me
    >>trouble i usually do all the work on my vehicle im a quick learner
    >> im in
    >>college doing collision repair so i need to save as much as
    >> possible all
    >>advice and help will be greatly appreciated and not took for
    >> granted can
    >>somebody walk me through this i have 3 kids this car is our life!!!
    >> God is
    >>with me but i need some mechanic help i just drained the radiator
    >> fluid
    >>and put 50/50 dex cool i put the plug back,.. opened the bleeder
    >> valve on
    >>the upper radiator hose to make sure no air until fluid came out
    >> then
    >>filled the resivoir till cold mark,... left radiator cap off
    >> started it,..
    >>it went down so i put more fluid till it reached the base of the
    >> neck of
    >>radiator. put the cap back on then felt the hose get hot is that
    >> right??
    >>please help with any info about this vehicle. thank you for your
    >> time. God
    >>bless you
    >>-------------------------------------
    >>Always Faithfull
    >> It sounds like the fans or fan control circuit are faulty. If the

    > engine coolant sensor is not functioning the fan will never come on.
    > Unlike the 3.8, the 3.1 only has one fan.
    > The wires to the coolant sensor should be black and yellow. The black
    > is the sensor ground. The yellow should have 5 volts with the
    > connector disconnected. The sensor should read 1365 ohms at 100
    > degrees F and 55 ohms at 260 F.


    > Shorting the temp sensor should turn on the fan - but better to use a
    > resistor - a 56, 62, 68, or 75 ohm 1/4 or 1/2 watt will do the job and
    > ensure you don't damage anything. With the resistor in place and the
    > ignition on (engine running or not) you should hage 12 volts on the
    > blue wire at the fan.


    > If you do and the fan does not run, try "hotwiring" the fan.
    > If it
    > runs then, the ground is the problem - and it is controlled by the
    > computer and the air conditioning. Just bypassing the black wire to
    > ground will stop the overheating.


    > If no power on the blue wire, check the fan relay. Terminal 85 on the
    > relay should be "hot" with the ignition on, ( from the
    > ignition fuse)
    > and terminal 87 should be hot at all times. The computer grounds
    > Terminal86, energizing the coil which puts power to terminal30. In a
    > pinch you can put a switch across 87 to 30 to turn the fan on and
    > off. If no power on terminal 87 you have a bad connection to the
    > battery - possibly a bad fusible link (connects to the starter
    > solenoid).


    > After you've gone through that if you have not found the problem or
    > fixed it, let me know and we can dig deaper.




    -------------------------------------
    Always Faithfull

    Thank you so much but i need to hear you say this thing about the fans is
    there any way you can call me 17319282342 im getting a diagnostics today
    but the fans still dont work and sometimes when i barely push the gas its
    like it pauses before it takes off..maybe a vaccum??? but the oil just got
    changed the radiator just got drained and new fluid added. how could i get
    my temp to work its hooked in to the thermostat what colors are the wires
    can i rig tht or??? i do better at listening than reading lol but if not
    please respond in detail thank you and god bless you


  5. #5
    clare@snyder.on.ca
    Guest

    Default Re: PLEASE HELP!! 95 Grand Prix Issues

    On Sat, 16 Jun 2012 19:17:30 +0000, audioman24
    <poetryforever24_at_yahoo_dot_com@foo.com> wrote:

    >17319282342

    Too bad you are down in Tennessee and I'm up in Ontario. You need a
    good manual to trace the unit out. I gave you all the wire colours
    from the manual from my '95 pontiac.

  6. #6
    audioman24
    Guest

    Default Re: PLEASE HELP!! 95 Grand Prix Issues

    responding to
    http://www.motorsforum.com/pontiac/p...ues-22555-.htm
    audioman24 wrote:

    clare wrote:

    > On Thu, 14 Jun 2012 15:52:59 +0000, audioman24
    > <poetryforever24_at_yahoo_dot_com@foo.com> wrote:


    >>
    >>I have a 95 grand prix se 3.1 and i have put a new radiator, water
    >> pump,
    >>power steering pump and lines, new radiator hoses, thermostat,(but
    >> temp
    >>doesnt show on dash even though i put a new cluster)and other
    >> little
    >>things it recently had a head gasket change.Ok my issue is its
    >> overheating
    >>while in park but not when driving and the fans dont come on also
    >> it
    >>hesitates to start sometimes but when it does it will high rev up
    >> to 2.5
    >>then slowly go down sometimes.also when i go to hit the gas it will
    >>sputter like it isnt getting gas maybe fuel fiter??? anyways its
    >> giving me
    >>trouble i usually do all the work on my vehicle im a quick learner
    >> im in
    >>college doing collision repair so i need to save as much as
    >> possible all
    >>advice and help will be greatly appreciated and not took for
    >> granted can
    >>somebody walk me through this i have 3 kids this car is our life!!!
    >> God is
    >>with me but i need some mechanic help i just drained the radiator
    >> fluid
    >>and put 50/50 dex cool i put the plug back,.. opened the bleeder
    >> valve on
    >>the upper radiator hose to make sure no air until fluid came out
    >> then
    >>filled the resivoir till cold mark,... left radiator cap off
    >> started it,..
    >>it went down so i put more fluid till it reached the base of the
    >> neck of
    >>radiator. put the cap back on then felt the hose get hot is that
    >> right??
    >>please help with any info about this vehicle. thank you for your
    >> time. God
    >>bless you
    >>-------------------------------------
    >>Always Faithfull
    >> It sounds like the fans or fan control circuit are faulty. If the

    > engine coolant sensor is not functioning the fan will never come on.
    > Unlike the 3.8, the 3.1 only has one fan.
    > The wires to the coolant sensor should be black and yellow. The black
    > is the sensor ground. The yellow should have 5 volts with the
    > connector disconnected. The sensor should read 1365 ohms at 100
    > degrees F and 55 ohms at 260 F.


    > Shorting the temp sensor should turn on the fan - but better to use a
    > resistor - a 56, 62, 68, or 75 ohm 1/4 or 1/2 watt will do the job and
    > ensure you don't damage anything. With the resistor in place and the
    > ignition on (engine running or not) you should hage 12 volts on the
    > blue wire at the fan.


    > If you do and the fan does not run, try "hotwiring" the fan.
    > If it
    > runs then, the ground is the problem - and it is controlled by the
    > computer and the air conditioning. Just bypassing the black wire to
    > ground will stop the overheating.


    > If no power on the blue wire, check the fan relay. Terminal 85 on the
    > relay should be "hot" with the ignition on, ( from the
    > ignition fuse)
    > and terminal 87 should be hot at all times. The computer grounds
    > Terminal86, energizing the coil which puts power to terminal30. In a
    > pinch you can put a switch across 87 to 30 to turn the fan on and
    > off. If no power on terminal 87 you have a bad connection to the
    > battery - possibly a bad fusible link (connects to the starter
    > solenoid).


    > After you've gone through that if you have not found the problem or
    > fixed it, let me know and we can dig deaper.




    -------------------------------------
    Always Faithfull




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