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thermastat help

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Old Oct 22, 2008 | 08:50 PM
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94cummins12v's Avatar
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From: Havre mt
Default thermastat help
hey guys this sounds like a dumb question to ask especially comeing from me but were is the thermastat on my 12v and how haRD is it to replace i think its stuck open because my truck wont get abouve 145 degrees
 
Old Oct 22, 2008 | 09:05 PM
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It's right on the front of the engine. Takes about 5 minutes to change. Just follow the upper radiator hose to it.
 
Old Oct 22, 2008 | 09:12 PM
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Leave it sit overnight then drain a gal of coolant from the radiator. This will help keep you from making a mess and you can see if there is any rust contamination.
 
Old Oct 22, 2008 | 11:08 PM
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i looked at the piece that the upper radiator hose goes to and it looks like one solid piece
 
Old Oct 22, 2008 | 11:22 PM
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it actually bolts through the lifting eye and into the head
 
Old Oct 23, 2008 | 01:52 AM
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ok ill look to see if i can find anything tomarrow. now let me ask you this, my truck wont get over 145 degress and he heater only blowes cold air on hot, the thermastat is what is causing this right?
 
Old Oct 23, 2008 | 04:44 AM
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Could also be low on coolant.
 
Old Oct 23, 2008 | 05:51 AM
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As cold as its been getting up there I would say its the thermostat.
 
Old Oct 23, 2008 | 07:17 AM
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yeah its probably your thermostat, and also when changing it i think you have to loosen your alternator up it may not be necessary but it makes it easier
 
Old Oct 23, 2008 | 10:47 PM
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thanks guys i got it done tonight and you do have to take the alternator bracket off the top and take the serpentine belt but not the upper radiator hose. thanks for all the help
 
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