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Old 02-12-2007, 09:27 PM   #1
mcssls
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Join Date: Jan 2007
Location: Phoenix AZ
Posts: 9
454 temp sender

by chance, is it possible the temp sender for a 76 454 might be under the exhaust on #8 cylinder? I have a strange leak that I am finding it difficult to believe would be a head gasket. I have no reason to think the gasket went. When I either step on it hard or am trying to run above 60 mph it will blow antifreeze on the exhaust and I just haven't had time to get under the truck to look
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Old 02-12-2007, 09:38 PM   #2
ureckme
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Re: 454 temp sender

I think there is a plug between 1 and 3 exhost ports and 6 and 8. the sender is on the drivers side on mine. You might have a leak at the plug where the sender would be?

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Old 02-13-2007, 07:39 PM   #3
SanitysBane
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Re: 454 temp sender

The heads are identical left and right and as ureckme said, their is a plug between 6&8 that could be leaking. I have been told before by GM when I worked at a dealership to put the temp sender on the passinger side head.
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Old 02-14-2007, 10:00 AM   #4
bodydropped
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Re: 454 temp sender

hmm every 454 ive seen had the sensor on the driver side head but i know on the pass side the knock sensor goes on that side and im havin problems with my dads 468 we put in we took a 95 gen V 454 out and had no knock sensor
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