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No heat in truck unless movingRuss Perry11-11-02  12:18 pm
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John
Posted on Thursday, November 07, 2002 - 09:03 am:   Edit Post Delete Post Print Post

Ok,

Looking to replace or check my stat on my 2001 Disco. It has about 14K miles on it. The temp gauge is starting to creep up to the red level & once even hitting red while parked in the drive way. It does however take a while for it to do this. During driving I can turn the heater on & it seems to lower the temp. I checked the coolant level ok had to top it off after it boiled over. Hoses look good no coolant leak anywhere. My question is where exactly is the stat located & how can i tell if it's opening & closing properly? TIA
 

Bill Bettridge (Billb)
Posted on Thursday, November 07, 2002 - 10:20 am:   Edit Post Delete Post Print Post

John,
Since you're still in warranty - I'd get it dealer checked - especially since the radiators are a know fault and are replaced often (very often)

Regardless - thermostat is in water neck in front of engine on the intake manifold. Upper radiator hose is clamped to water neck. To check, you'd need to pull T-stat out and then put it in water on the stove - check to see if it opens and if it does - at what temperature (use wife's kitchen thermometer - sure to make you very popular with your better half! :) )

Hell, I've got half my wife's kitchen utensils in the garage- LOL

Seriously though - you have a good warranty - take advantage of it. Don't risk overheating the aluminum 4.0 - the heads do not like it one bit.

Bill
 

sn
Posted on Thursday, November 07, 2002 - 10:44 am:   Edit Post Delete Post Print Post

My disco II had the radiator replaced - take it in and let them do it under warranty. I know a mechanic at the dealership personally and he said the factory installed raditors suck - very prone to leaking.
 

Pugsly (Pugsly)
Posted on Thursday, November 07, 2002 - 11:24 am:   Edit Post Delete Post Print Post

John - from what you are describing, I would say that it is highly unlikely to be the thermostat. I agree with others - get that radiator checked by the dealership.
 

gp (Garrett)
Posted on Thursday, November 07, 2002 - 01:00 pm:   Edit Post Delete Post Print Post

yep. jens D2 had a small leak in the rad. the dealer even said they are shit compared to the D1 rads. and they cost about 1/2 of the D1's too. they said they go through them like dental floss.

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