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post #1 of (permalink) Old 03-30-2004, 03:20 PM Thread Starter
 
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running hot????

ok well the other day i was driving and all of a sudden i heard two loud BANGS outta the exhuast. the sammy stalled and didnt want to start. of course i thought the worst and thought the motor was toast. so i tore into it and found that it had just broke the timing belt. so i replaced it and put it all back together and now its running hot....ok well it runs about half way, maybe a little more at times. but it has always run maybe a 1/4 of the way on the temp guage at the most due to the thermostat i have in it. any clues as to why it would just all of a sudden start running hotter? thanks
bobby
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post #2 of (permalink) Old 03-30-2004, 03:50 PM
 
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Re: running hot????

No clue, but I wouldn't sweat it until you put a real temp guage on it. The factory ones are junk. After puting a good aftermarket guage on it I found that the needle on the ctocker moved a whole lot when the actual temps only moved about 5 degrees. If I remember, the stock thermostat starts to open around 180 and isn't fully open until 192. The optional factory thermostat starts to open at 190 and ends above 200. Any temp below 200 is good.

You might want to check your fan belt, fan clutch, radiator shroud, and fluid level (I am assuming you took the radiator out to do the belt??).
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post #3 of (permalink) Old 03-30-2004, 08:03 PM
 
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Re: running hot????

check that all grounds are hooked back up poor grounds will
read as higher temp--also make sure your radiator is full
& your heater core. if i pull a head or drain the radiator
sometimes it takes me two or three runs to top it off. used
to have the same problem with early jeeps--i live in the hills and don't worry too much about level ground when
doing repairs if outside-i also air down my tires to get
better work height sometimes this may affect refilling the
radiator--suppect grounds 1st --oldzuki
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post #4 of (permalink) Old 03-31-2004, 02:15 AM Thread Starter
 
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Re: running hot????

ya im wondering if the guage is just off. cause tonight when i let it sit for probably a good 3-4 minutes at idle, and usually it would start to run hot, but it didnt move at all. also do you think that taking the heat shield off would affect it at all. i know i do need to replace the fan clutch but i just think that its wierd that it started once i fixed the timing belt.
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post #5 of (permalink) Old 03-31-2004, 08:45 AM
 
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Re: running hot????

What heat shield are you talking about? The radiator shroud and lower air dam are both important to proper cooling. If you take either of them off and you are suscepatble to higher temps.
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post #6 of (permalink) Old 03-31-2004, 01:18 PM
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Re: running hot????

Did you get the timing back in the same place?
If not that can cause it to run hot, over heat.
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post #7 of (permalink) Old 04-01-2004, 01:24 AM Thread Starter
 
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Re: running hot????

i took the heat shields off of the exhuast manifolds....ok well they kinda just broke off. ya im sure i got the timing in the correct spot.
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