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Old 01-16-2009, 09:50 AM   #1
moonzie
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Member#: 128537
Join Date: Oct 2006
Chapter/Region: MWSOC
Location: Bloomington, Indiana
Vehicle:
2004 Baja Turbo
Red/Silver

Question froze t-stat

So I go and warm up my trucklette this morning. Go back in, make my coffee. Come back out and the cabin is still freezing cold even tho the heat is on. uh oh... temp is almost at normal. no heat. and it's -6 F outside.

Okay, well I'll just drive it and watch carefully. Sure enough that temp gauge started climbing as I was nearing the highway. Pulled over and let it cool some (slowly). Shut it off and checked under the hood. No fluids leaking anywhere that I could see. The coolant reservoir was nearly empty. Limped it back to a gas station and filled it with some 50/50 mix coolant. Started it up and revved it a few times, held some steady 3k rpms. No change. No heat. Temp gauge slightly above normal.

Hose to the top of the radiator was very warm. Hose at the bottom was somewhat warm, but not as warm as the top. Coolant reservoir on top was pretty warm. Carefully cracked open the radiator cap and coolant started spitting out.

Frozen T-stat?

Taking it to a garage later this morning.
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Old 01-16-2009, 12:45 PM   #2
moonzie
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2004 Baja Turbo
Red/Silver

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Well earlier I went out to start up the girlfriends car and warm it up. It warmed up but then we had a change of plans so I went out to shut it off. About an hour later I went to start it back up and it just cranked and cranked, never kicked over. Gahh!! now what?!

Checked spark, had spark. Although I noticed the distributer situated at the top (this is a 93 Legacy L wagon 2.2 stick) - one of the plug ends was pretty badly corroded. Cleaned it and the wire the best I could and reseated the plugwire. Still not starting. Better spark now on all wires. Getting frustrated with the way my day was going, I started wiggling and hitting the fuel filter and fuel lines. Had my girl crank it again and it suddenly started - just like there was no problem at all! She said she noticed the lights were on and turned them off, but I suspect maybe the fuel lines got a little frozen or something.

ANYWAYS...........

She followed me to the garage. On the drive, my heater began working and no more overheating issues. Mechanic said it's possible it may have had a air bubble in the line. Drove it to work with no further problems.

Comments? Speculations?

I'm going to uncap the upper resivoir (top of engine) later and check the fluid level inside before I leave. Fill as needed.
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Old 01-16-2009, 02:24 PM   #3
bprich
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Join Date: May 2007
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2005 Baja-STI AT
Monterey/Brilliant Silver

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If your coolant reservoir was that low, there could have been an air pocket in the system.

I used to have a 96 Legacy wagon that developed the same symptoms as your girlfriends 93; it was a misbehaving fuel pump.
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Old 01-16-2009, 02:28 PM   #4
moonzie
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Quote:
Originally Posted by bprich View Post
I used to have a 96 Legacy wagon that developed the same symptoms as your girlfriends 93; it was a misbehaving fuel pump.
Is the pump located in the gas tank on the 93 wagons?

I wonder if maybe a fuel pump relay has to be engaged for a starter relay to engage..
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Old 01-16-2009, 11:35 PM   #5
bprich
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Monterey/Brilliant Silver

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I can only "assume" the pump is in the gas tank since I'm on Subaru number five and that's what I've seen so far.

You said it was cranking but never "kicked over"; doesn't that mean the starter relay was engaging?

Last edited by bprich; 01-18-2009 at 11:57 PM.
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Old 01-17-2009, 01:12 PM   #6
moonzie
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Join Date: Oct 2006
Chapter/Region: MWSOC
Location: Bloomington, Indiana
Vehicle:
2004 Baja Turbo
Red/Silver

Default

Oh yeah - the engine was cranking - started was turning - the engine just wouldn't fire up.

I suspect there was just a little bit of water in the tank - not enough to hurt the engine but enough to get up into the lines or filter and then freeze after it had been shut off for a while thus plugging the lines until I moved them around and twisted them.

I just bought a thing of Iso-heet. Will dump it in the tank today.
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