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Guest Message by DevFuse

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ea81 overheats in 10 mins. Help. thar she blows!

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5 replies to this topic

#1 floortom


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Posted 08 March 2004 - 01:52 PM

Hi all, just got the little beasie to fire! Bought with blown head gasket, all went well. did not want wake up though. barely crapped or popped. checked and rechecked timing, firing order. ( as car came in heaps of boxes.) Parts still on car were all molested. After cranking the key for 2 mins. while dancing on the gas ped. it came to life. Small victory.
smoked like a skeeter fogger.
filled it with water.
restart showed less smoke.
over heat in bout 5 mins.
checked for stuck t stat.( was not one in there ) go fig.
Found the ground for the fan, jumped it so it's on all times.
Shiny new water pump and hoses.( don't think its those.)
Not one gadge in the dash works, so i don't know what the real temp is, but water SHOOTS out cap. Heads feel TOO WARM to the touch.

What else should i be looking for, as this is first subaru.

Thanks, Floortom.

#2 Meeky Moose

Meeky Moose

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  • Grants Pass

Posted 08 March 2004 - 02:06 PM

if water shoots out the cap like old faithful, then you got a blown HG or cracked head thats allowing compression to get into the coolant..

#3 floortom


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Posted 08 March 2004 - 02:12 PM

how can i trouble shoot this?
pulled the plugs, they look nornal. i dont have a compression check.

#4 floortom


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Posted 08 March 2004 - 02:16 PM

whoud'nt it pup pressure in the collant right away? dont start this until its over temp.

#5 the sucker king

the sucker king

    great fisherman

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  • Lyons, Colorado

Posted 08 March 2004 - 05:43 PM

test the radiator cap. a bad cap will make a car overheat when it ought not.

pray it's that simple.

#6 mcbrat


    Brattitude Adjustment

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Posted 08 March 2004 - 05:53 PM

thats the same symptoms I had in my old wagon. at the first stages of the headgasket failure, it's actually sealed until the engine heats up enough to open up the gasket hole enough for the pressure to get into the coolant. mine would be fine when I started it up, but my the time I got home (6 miles) it was like someone had turned a faucet on out of the rad. I replaced the headgaskets, and it was fine.... I had a small crack between valves, but it was just cosmetic... (that engine is still running in my 82 brat....)

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