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Old 05-03-2009, 03:12 PM   #1
2toys [OP] 2toys is offline
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Exclamation Ran hot, repurcussions?

I'm getting on freeway today, with AC on. After merging into traffic (uphill) and achieving about 70 MPH, I glance at my instruments and see the water temp at redline, my SG2 shows 270degF as the peak temp. I turn off ac, throw it into heat, windows down and exit. Just then the temp drops like a rock and stabilizes.

So now I'm changing my T-stat, but should I expect and repercussions from this event? The truck hadn't been on more then 5 minutes and maybe 1 minute that I saw the temp in the red. Anything that I should be looking for?

TIA
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Old 05-03-2009, 05:34 PM   #2
With sufficient thrust, pigs fly just fine.
chris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shed
 
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You should be ok.
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Old 05-03-2009, 05:36 PM   #3
:POOPCORN:
98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed
 
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I would only worry if you drove for a prolonged period. You did the right thing.
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Old 05-03-2009, 05:40 PM   #4
2toys [OP] 2toys is offline
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Thanks for the peace of mind. It looks alright, here.
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Old 05-03-2009, 07:09 PM   #5
Low and slow
dually is one of the sharper tools in the sheddually is one of the sharper tools in the sheddually is one of the sharper tools in the sheddually is one of the sharper tools in the sheddually is one of the sharper tools in the sheddually is one of the sharper tools in the sheddually is one of the sharper tools in the sheddually is one of the sharper tools in the sheddually is one of the sharper tools in the sheddually is one of the sharper tools in the sheddually is one of the sharper tools in the shed
 
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Like state above. You should be good. The worst would be a warped head, but that in itself isnt even that bad.
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Old 05-03-2009, 07:21 PM   #8
With sufficient thrust, pigs fly just fine.
chris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shed
 
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Quote:
Originally Posted by fletch aka View Post
Are these a cast block with aluminum heads?
The 3.4, Yes. The 4.0 is all aluminum.
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Old 05-03-2009, 07:22 PM   #9
:POOPCORN:
98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed
 
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Quote:
Originally Posted by chris4x4 View Post
The 3.4, Yes. The 4.0 is all aluminum.
OP has a 2.7
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Old 05-03-2009, 07:24 PM   #10
With sufficient thrust, pigs fly just fine.
chris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shed
 
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Quote:
Originally Posted by 98tacoma27 View Post
OP has a 2.7
Ok...Cast iron block, Aluminum heads.
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Old 05-03-2009, 09:12 PM   #11
2toys [OP] 2toys is offline
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Quote:
Originally Posted by fletch aka View Post
Should be fine, wasn't it pinging like crazy? My money is on the T-stat. I wish they would put an alarm on the temp, oil and gas gauge.
Didn't notice any pinging or engine struggle at all. Like I said, I was merging into fast traffic from an onramp, uphill, going about 70 with the AC running. Truck was running fine actually, didn't throw a code or idiot light. An alarm would be nice... At first I thought I tossed a belt, but their all alive and well. Looked like original T-stat.
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Old 05-04-2009, 04:27 AM   #12
Old & Forgetful
Janster is one of the sharper tools in the shedJanster is one of the sharper tools in the shedJanster is one of the sharper tools in the shedJanster is one of the sharper tools in the shedJanster is one of the sharper tools in the shedJanster is one of the sharper tools in the shedJanster is one of the sharper tools in the shedJanster is one of the sharper tools in the shedJanster is one of the sharper tools in the shedJanster is one of the sharper tools in the shedJanster is one of the sharper tools in the shed
 
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You'll be fine....

As long as the system is functioning properly, you have plenty of fluids in the system & no leaks...... the system should be able to keep the temp at a consistant temperature even though it could be 'higher' than normal (and even in the red).

When you're driving consistantly and that needle keeps creeping upwards and doesn't stay consistant.....that's when you might want to inspect your cooling system for problems.
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