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88 sleeper
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Discussion Starter · #1 ·
driving to wrok this morning. 55degrees out??

on the freeway i notice that the temp gauge is a little higher than normal. but i see no dummy lights or anything & continue to drive...i get off the freeway..& the needle starts to rise. & smoke comes out from the hood... i open the hood & theres coolant along the back side of the engine on the drivers side...what is even more interesting was that the Radator cap wasn't even hot!!!

so im thinking this is a thermostat problem/cracked hose...im shying away from water pump because it's on the other side of the engine...i also checked the headgaskets to see if they were leaking over there & i didnt see anything...
anyone else have this experience???

Also if anyone could tell me...i know the water temp sending unit is near the Throttle body...but does it come before or after the thermostat???(flow is bottom to top)
 

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all over the back side of the engine bay on the left side? I had a similar problem too. For me, it was a heater hose that went from the engine to the heater valve. But it could be that, or the heater valve or the hose from the valve to the heater core. I don't have a digi cam to get a pic of what I'm talking about, but hope you find what's ailing your car.
 

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88 sleeper
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Discussion Starter · #3 ·
thanx $$$

im really hopin it's a hose. when i examined the head to block area. it was dry...& theres way too much coolant around the rest of the car..so i hope that it's just a hose
 

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It sounds like an air bubble in the system, or a bad thermostat. You are getting some of the coolant past boiling temp, while the rest is still cool. This may indicate a stuck thermostat, or water being blocked by a bubble.

My $.02...
 

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88 sleeper
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Discussion Starter · #6 ·
Emission said:
It sounds like an air bubble in the system, or a bad thermostat. You are getting some of the coolant past boiling temp, while the rest is still cool. This may indicate a stuck thermostat, or water being blocked by a bubble.

My $.02...
Ohh i forgot to give an update.
The problem was a tear in one of the heater hoses. $9 dollar part..problem solved :)
 
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