Thermostat...coolant....da funk?
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This is a discussion on Thermostat...coolant....da funk? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Ok, so here's the deal. My 03 wagon has 72k on the clock. I know I need a coolant flush&fill. ...

  1. #1
    Registered User wrxlude's Avatar
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    Thermostat...coolant....da funk?

    Ok, so here's the deal.
    My 03 wagon has 72k on the clock. I know I need a coolant flush&fill. Thing is, sometimes the gauge goes too hot. I crank the dogsnot out of the heat, but it doesn't go down.
    Could the Thermostat be sticking?
    Could the flush/fill solve the problem?
    Thanks in advance,
    STomp
    LET'S GO COLTS!!!
    I have 5 infraction points. What do you have?

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    Administrator Trainrex's Avatar
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    Quote Originally Posted by wrxlude
    Ok, so here's the deal.
    My 03 wagon has 72k on the clock. I know I need a coolant flush&fill. Thing is, sometimes the gauge goes too hot. I crank the dogsnot out of the heat, but it doesn't go down.
    Could the Thermostat be sticking?
    Could the flush/fill solve the problem?
    Thanks in advance,
    STomp
    The thermostat, and/or the fan sensor have probably lost their properties. Does the fan still come on?

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    Registered User wrxlude's Avatar
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    Quote Originally Posted by Trainrex
    The thermostat, and/or the fan sensor have probably lost their properties. Does the fan still come on?
    the fan still comes on, yes, Andrew.
    LET'S GO COLTS!!!
    I have 5 infraction points. What do you have?

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    Administrator Trainrex's Avatar
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    Quote Originally Posted by wrxlude
    the fan still comes on, yes, Andrew.
    As long as you haven't recently introduced air into the system, I would go with a thermostat. Is your heat as hot as it used to be?

  6. #5
    Registered User wrxlude's Avatar
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    Quote Originally Posted by Trainrex
    As long as you haven't recently introduced air into the system, I would go with a thermostat. Is your heat as hot as it used to be?
    yes and no. Lately, I've kept it on the 'red' (all the way to the right), being cold as hell around here.
    I'll get into the car (block being warm) and crank the heat. I'll be like 'wtf', but after toggling with the control for 2 seconds, It'll heat right up.
    LET'S GO COLTS!!!
    I have 5 infraction points. What do you have?

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    Registered User thechickencow's Avatar
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    You didn't mention if you checked the level in your overflow resivoir or not. You may have a leak somewhere thats really slow. If its just a bit low it'll heat up after 25-30minutes of driving if you're low.

  8. #7
    Registered User wrxlude's Avatar
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    Quote Originally Posted by thechickencow
    You didn't mention if you checked the level in your overflow resivoir or not. You may have a leak somewhere thats really slow. If its just a bit low it'll heat up after 25-30minutes of driving if you're low.
    i know you won't flame me, but...I check the resevoir (plastic thingy) when the block is cold and not running, eh?
    want to affirm that
    LET'S GO COLTS!!!
    I have 5 infraction points. What do you have?

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