Using coolant?!?

[vacuum 6]

The overflow kept sucking more antifreeze and the engine is not overheating however running "hotter " than I like.

Fast forward three months: still dealing with the same issue. I dont believe it, it cant be a blow head gasket!!!!

Kept doing research and bought this "lisle 24610 spill-free funnel". Followed the directions and jacked the front of the car up.

Problem solved. Even after 800+ miles on the new engine all it needed was a burp. Just wanted to share!!!!!

 

[earlbrown]

Just for kicks, does your thermostat have a steam hole drilled in it?

 

[2QUICK2B6]

mine did that ... smoked at top end of the track. you try tightening all the head bolts ?

 

[vacuum 6]

Just for kicks, does your thermostat have a steam hole drilled in it?

Nope. Never ran a stat with a hole drilled in it. Does it help burp it?

 

[earlbrown]

yes. It's something you should do anytime you have a vertically mounted thermostat. Even when open there's no way for the top layer of air to flow out easily.

 

[TurboBuRick]

The first time I run a motor I leave the radiator cap off. Once the thermostat opens the system burps. I then top it off and cap it off.

Hope that was your problem.

 

[vacuum 6]

yes. It's something you should do anytime you have a vertically mounted thermostat. Even when open there's no way for the top layer of air to flow out easily.

So I'm assuming the stat would be installed with hole at 12 o'clock?

 

[Royal-T-Ltd]

The first time I run a motor I leave the radiator cap off. Once the thermostat opens the system burps. I then top it off and cap it off.

Hope that was your problem.

Yep, what Rick said... I do this whenever I have to release coolant from the engine to work on something too... Like removing the coolant temp sensor, etc. it ensures the coolant has cycled and removes the air pockets - than once the thermostat opens and the level in the radiator drops, just fill it up and cap it off.


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[earlbrown]

So I'm assuming the stat would be installed with hole at 12 o'clock?

yep.

And since we have a valve on the heater line, don't forget to slide the HVAC control to ''hot''.

 

[vacuum 6]

yep.

And since we have a valve on the heater line, don't forget to slide the HVAC control to ''hot''.

What size hole...3/32"? And where on the stat (how from in from the stat's OD)?

 

[earlbrown]

It's not that critical. Just make sure it's bigger than a couple of water molecules. I usually go 3/32 or so.... whatever drill I get my hands on first. Try and get it as high as you can without getting covered by the intake/thermostat housing.

I've never measured, but the air pocket from the top of the thermostat opening to the roof on the intake has got to be about a pint or so. Not to mention if there's an air pocket and steam hits your temp sender, you'll think the engine is running 212ish.

 

[vacuum 6]

Good info thanks so much.

Like I said the funnel and jacking the car up worked great.

 

[HighMileage]

Don't make that hole too big,or you'll have slow warm-ups. I've had 1/8 hurt warm-ups before. Go small.

One thing I do to help get air out also is fill as much as I can when the thermostat opens,then hold the throttle at a high idle. The level drops. Add but do NOT release throttle until you put the cap on. If you do,it's gonna be on the floor. That's a trick someone showed me about 30 years ago.

Even with a 160'F 'stat,I have excellent heat up here in the Northeast.