Question about 1989 Oldsmobile Delta 88

4 Answers

95 olds 88 climate control

The digital outside air temp readout on the face of the climate control unit says 176 degrees. I have to set the cabin temp to 90 degrees to get heat, and then the blower sometimes won't kick in . I have changed the climate control dash module but with the same results. Is there an air temp sensor that could be causing this, and where do I look for it? I am a rural mailman and last friday it was 20 below with no heat. thanks

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  • wdyoung51 Jan 20, 2009

    vin# 1g3hy52kx5h327422 On the dash below the windshield are 2 round things on the left side and one on the right side of the dash. on the left side one is bigger than the other 2. I think these things are some kind of sensors

  • wdyoung51 Jan 20, 2009

    all of the sensors are black, nothing was clear on any of them

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  • Oldsmobile Master
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To locate the sensor, and find replacement part number you can use the service manual.
See link below to purchase manual:

Buick, Oldsmobile & Pontiac Full-size models Haynes Repair Manual

Posted on Jan 23, 2009

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  • Master
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Hi!

It sounds to me like a loose connection near the control unit. In one of the plugs perhaps is causing this problem. Check for the plugs & connections

Posted on Jan 20, 2009

  • Rylee Smith
    Rylee Smith Jan 20, 2009

    If the connections are perfectly fine then check for a possible leak in heater core, maybe its leaky and you are not able to heat up your car...

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  • Master
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Reset allsettings to factorey defaults.recheck all connection refix again.

Posted on Jan 20, 2009

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  • Master
  • 1,990 Answers

Welcome to Fixya! Do you have the Outside Sensor or the On Dash Sensor????

Posted on Jan 20, 2009

  • 1 more comment 
  • Travis Humphries
    Travis Humphries Jan 20, 2009

    It is the Larger one, How Clear is the Bowl over the Top of the Sensor. If it is Clouded or Faded it will not read the Correct Temp. You can get the New Bubble at the Dealership or an Auto Parts Store.

  • Travis Humphries
    Travis Humphries Jan 20, 2009

    Check in The Owners Manual for Relay Positions for Temp. You have a Relay that is Malfunctioning and Needs to be Replaced.

  • Travis Humphries
    Travis Humphries Jan 20, 2009

    If all else Fails, Go to your Auto Parts Store and Purchase a Haynes or Chilton Manual for your Car. They have Exploded Views of these things and will tell you Exactly where they are Located.

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