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overheating 1999 disco 2

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  #1  
Old 10-20-2005, 04:34 PM
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Default overheating 1999 disco 2

i have changed the thermostat, waterpump and sending unit what else is there besides the head and gasket????
 
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Old 10-20-2005, 09:00 PM
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Default RE: overheating 1999 disco 2

is your electric fan working?
 
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Old 10-20-2005, 11:42 PM
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Default RE: overheating 1999 disco 2

no electric fan guys, its a viscuos coupler maybe but i dont think so maybe radiator probably heads
 
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Old 10-24-2005, 04:07 PM
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Default RE: overheating 1999 disco 2

are you losing fluid rapidly? If so, my vote is the head gasket. If not, then I would look at a plugged radiator or inlet.

 
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Old 10-24-2005, 06:03 PM
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Default RE: overheating 1999 disco 2

not losing the fluid to quick, just found out that the head gasket was replaced a little over a year ago and so that doesn't sound good to me poss the head is cracked, any estimates on a price of that in indiana..
 
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Old 10-25-2005, 01:24 AM
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Default RE: overheating 1999 disco 2

Have you checked the radiator for cool spots.
it may be pluged up.
The coolant gets low and then it over heats ?
Your not losing the fluid to quick, is it just getting low no leaks?
Is the oil milky? Can you smell a difference in the exhaust ?
How long does it take for it over heat?
Does it miss until it is warmed up?
I have gone through this with a truck a few years ago the (?'s) I asked will help me help you.
Mike.
 
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Old 10-25-2005, 03:25 PM
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Default RE: overheating 1999 disco 2

i don't know the answer to thse questions will look at all that tonite at work now will respond tomorrow.
thanks for all the help so far.
 
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Old 10-26-2005, 03:04 PM
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Default RE: overheating 1999 disco 2

couldn't find any cool spots on the radiator, the temp gauge stay at half for about 15-20 min. in idle park then when i drive it goes up in a matter of moments, i can't find a leak anywhere when it overheats there is always fluid in there, yes the exhaust has a different smell to it ans yes it does miss.. hope this helps.. oh and the spark plugs do not look like they have steam cleaned..
 
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Old 10-26-2005, 10:59 PM
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Default RE: overheating 1999 disco 2

The smell is burning antifreeze, not alot just a little.
Piston compression maybe pushing air into the water jacket &
pushing out antifreeze.
You need to do a compression check, you can get a gauge at Sears.
You should find a lower pressure on at least one cylinder.
This would be a head gasket. The bottom row of bolts may have
been over tightened.
If you dont find lower pressure you may have a cracked head.
 
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Old 10-26-2005, 11:06 PM
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Default RE: overheating 1999 disco 2

You can check Tect tips
They have some good info.
 


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