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sammy running hot

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Offline smoseley

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sammy running hot
« on: January 09, 2009, 05:37:09 PM »
First let me thank everyone for the help last couple weeks with questions i have had. my sammy water gauge will get on the hot side but i have noticed when i turn on the fan or head light my temp gauge goes up. just as soon as i cut my light or fan off temp gauge goes back to half way. any ideas. thanks scott
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Offline Drone637

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Re: sammy running hot
« Reply #1 on: January 10, 2009, 12:35:21 AM »
Sounds like you might have a bad ground...
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Offline Jeremiah

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Re: sammy running hot
« Reply #2 on: January 13, 2009, 11:13:06 AM »
Is it as instant as throwing a light switch, or "progressive". How quickly does the temp change?
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Offline smoseley

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Re: sammy running hot
« Reply #3 on: January 16, 2009, 02:49:54 AM »
it rises slowly over couple minutes and goes back down slowly when lights are turned off thanks scott
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Offline mrfuelish

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Re: sammy running hot
« Reply #4 on: January 16, 2009, 08:42:04 PM »
Could be an old hard fan belt and it is slipping.
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1987,1988,1988,1990 samurai's,  1953 m38a1,  1996 x-90,blue.1996 x-90 red.1994 2 door tracker.   only Dead Fish go with the flow.                No Hairy Nosed Wombats were ran over on the trail today.       My ZUK is Xenophobic.
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Offline Amilla

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Re: sammy running hot
« Reply #5 on: January 17, 2009, 12:18:19 AM »
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Offline scuzzuk01

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Re: sammy running hot
« Reply #6 on: January 17, 2009, 09:51:43 AM »
I know this may sound Hokey.....but my sammy spit all of the catalyst out of the catalytic converter into the muffler.  It didn't totally stop it up, but the temp gauge went up dramatically and you could kill the sammy by holding your hand over the exhaust pipe.  I straight piped it, removing the muffler but leaving the Cat shell.  It now has a mean growl and runs as cool as a summer breeze....

Gary
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Offline Jeremiah

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Re: sammy running hot
« Reply #7 on: January 19, 2009, 12:19:23 PM »
Quote from: mrfuelish on January 16, 2009, 08:42:04 PM
Could be an old hard fan belt and it is slipping.

x2

Seems to be related to electrical draw somehow (more draw = engine working harder), and this is the most logical place to start. Is the belt old, or is it loose? Unfortunately, this is a strange problem and I've never heard of it. For all I know - something in your cooling system is close-to-failing, and when your engine works harder (to push the alt when there's more electrical draw) it's overwhelmed. Hate to say I'm just speculating, and don't have a better answer for you  :'(
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'96 4 door kick: 29" Pep-Boys M/T, 1.5" OME
'83 SJ410: 31" Toyo M/T, SPOA, 1.3L
'08 Yamaha FZ6
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