Losing Coolant after hard driving
Dec 10, 2011 | 07:07 AM
#16
Evolved Member
Joined: Jun 2006
Posts: 6,902
Likes: 144
From: Grand Island, NE
If the coolant was going into the oil I think you would see it. If the head gasket was pushing coolant the overflow would be full not empty. If coolant was going to the outside you would see steam/have a puddle.
I'd suggest making sure the radiator is full and then installing a new pressure cap. Then just watch it carefully. So far, this doesn't make sense to me.
I'd suggest making sure the radiator is full and then installing a new pressure cap. Then just watch it carefully. So far, this doesn't make sense to me.
Dec 10, 2011 | 07:17 AM
#17
Thread Starter
Evolving Member
Joined: Nov 2011
Posts: 156
Likes: 0
From: Under the car
i appreciate the help guys. coolant looks normal i feel like if it was leaking coolant would look different color and oil would look different. (i just checked the dipstick i didnt do a change yet)
my oil cap is 110k miles old. im going to buy 1.3 bar oil cap and see if it makes a difference. again, my car does not have a oil cooler and car was pushed hard.
the car drives fine so far. boosts normally. i daily drive the car and i am boosting as i did when this problem occurred. no over heating (highway) and no loss in coolant level.
my oil cap is 110k miles old. im going to buy 1.3 bar oil cap and see if it makes a difference. again, my car does not have a oil cooler and car was pushed hard.
the car drives fine so far. boosts normally. i daily drive the car and i am boosting as i did when this problem occurred. no over heating (highway) and no loss in coolant level.
Dec 10, 2011 | 09:24 PM
#20
Wtf?
you did that already right? what am I missing here? what you want is a radiator pressure tester.
take off the rad cap put this on pump it up and see if the system holds pressure.
Dec 11, 2011 | 05:49 AM
#22
Evolved Member
Joined: Aug 2006
Posts: 1,427
Likes: 4
From: Sag-Nasty, MI
It's called lifting the head, it can happen if the tune is off, boost level increases past what the fuel can support, or if you get a tank of bad fuel...
basically it happens from detonation, the fuel pops when the piston is still coming up on the compression stroke and there's nowhere for it to go... the head 'lifts' or slightly deforms for just a fraction of a second enough for the water jackets to become pressurized. This pushes coolant into the overflow bottle, or out of the vent hose on its lid. Watch the end of that hose make sure it's dry, if you see the end of that wet or the underside of the hood there with splatter on it, you're lifting the head and you need to address that right away befor it pops a freeze plug or causes some other damage
basically it happens from detonation, the fuel pops when the piston is still coming up on the compression stroke and there's nowhere for it to go... the head 'lifts' or slightly deforms for just a fraction of a second enough for the water jackets to become pressurized. This pushes coolant into the overflow bottle, or out of the vent hose on its lid. Watch the end of that hose make sure it's dry, if you see the end of that wet or the underside of the hood there with splatter on it, you're lifting the head and you need to address that right away befor it pops a freeze plug or causes some other damage
Dec 11, 2011 | 06:07 AM
#23
Why is every one trying to scare the guy? Lol at the ppl saying "oh it's the head gasket for sure" "oh your lifting the head for sure" lol
There's no real way anyone on the Internet can tell you exactly what it is but we can help track it down.
Anyways, I had a very similar issue. Took me a while to figure it out because coolant was leaking but there were no visible signs of a leak. finally found out it was leaking from the area between the firewall and head. There was a puddle of coolant on the t-case. My leak was actually coming from one of the 2 rubber lines that go from the head to the throttle body. I actually checked those lines a few times and thought they were ok but there was a very very tiny crack in the line that would only leak when I would push it hard and heat up the engine bay. Grab those 2 lines and check them out carefully. Squeez them inch by inch and look for cracks or like in my case see a little bit of coolant leak with each squeez.
There's no real way anyone on the Internet can tell you exactly what it is but we can help track it down.
Anyways, I had a very similar issue. Took me a while to figure it out because coolant was leaking but there were no visible signs of a leak. finally found out it was leaking from the area between the firewall and head. There was a puddle of coolant on the t-case. My leak was actually coming from one of the 2 rubber lines that go from the head to the throttle body. I actually checked those lines a few times and thought they were ok but there was a very very tiny crack in the line that would only leak when I would push it hard and heat up the engine bay. Grab those 2 lines and check them out carefully. Squeez them inch by inch and look for cracks or like in my case see a little bit of coolant leak with each squeez.
Dec 11, 2011 | 06:32 AM
#24
Why is every one trying to scare the guy? Lol at the ppl saying "oh it's the head gasket for sure" "oh your lifting the head for sure" lol
There's no real way anyone on the Internet can tell you exactly what it is but we can help track it down.
Anyways, I had a very similar issue. Took me a while to figure it out because coolant was leaking but there were no visible signs of a leak. finally found out it was leaking from the area between the firewall and head. There was a puddle of coolant on the t-case. My leak was actually coming from one of the 2 rubber lines that go from the head to the throttle body. I actually checked those lines a few times and thought they were ok but there was a very very tiny crack in the line that would only leak when I would push it hard and heat up the engine bay. Grab those 2 lines and check them out carefully. Squeez them inch by inch and look for cracks or like in my case see a little bit of coolant leak with each squeez.
There's no real way anyone on the Internet can tell you exactly what it is but we can help track it down.
Anyways, I had a very similar issue. Took me a while to figure it out because coolant was leaking but there were no visible signs of a leak. finally found out it was leaking from the area between the firewall and head. There was a puddle of coolant on the t-case. My leak was actually coming from one of the 2 rubber lines that go from the head to the throttle body. I actually checked those lines a few times and thought they were ok but there was a very very tiny crack in the line that would only leak when I would push it hard and heat up the engine bay. Grab those 2 lines and check them out carefully. Squeez them inch by inch and look for cracks or like in my case see a little bit of coolant leak with each squeez.
You are correct, you cant accurately always diagnose via internet, that is why I suggested he try these tests, to be on the safe side. Its not scary telling him he may have serious issues, but it is scary pricing out a new cyinder head and engine internals. my .02
Dec 11, 2011 | 06:34 AM
#25
Thread Starter
Evolving Member
Joined: Nov 2011
Posts: 156
Likes: 0
From: Under the car
It's called lifting the head, it can happen if the tune is off, boost level increases past what the fuel can support, or if you get a tank of bad fuel...
basically it happens from detonation, the fuel pops when the piston is still coming up on the compression stroke and there's nowhere for it to go... the head 'lifts' or slightly deforms for just a fraction of a second enough for the water jackets to become pressurized. This pushes coolant into the overflow bottle, or out of the vent hose on its lid. Watch the end of that hose make sure it's dry, if you see the end of that wet or the underside of the hood there with splatter on it, you're lifting the head and you need to address that right away befor it pops a freeze plug or causes some other damage
basically it happens from detonation, the fuel pops when the piston is still coming up on the compression stroke and there's nowhere for it to go... the head 'lifts' or slightly deforms for just a fraction of a second enough for the water jackets to become pressurized. This pushes coolant into the overflow bottle, or out of the vent hose on its lid. Watch the end of that hose make sure it's dry, if you see the end of that wet or the underside of the hood there with splatter on it, you're lifting the head and you need to address that right away befor it pops a freeze plug or causes some other damage
Why is every one trying to scare the guy? Lol at the ppl saying "oh it's the head gasket for sure" "oh your lifting the head for sure" lol
There's no real way anyone on the Internet can tell you exactly what it is but we can help track it down.
Anyways, I had a very similar issue. Took me a while to figure it out because coolant was leaking but there were no visible signs of a leak. finally found out it was leaking from the area between the firewall and head. There was a puddle of coolant on the t-case. My leak was actually coming from one of the 2 rubber lines that go from the head to the throttle body. I actually checked those lines a few times and thought they were ok but there was a very very tiny crack in the line that would only leak when I would push it hard and heat up the engine bay. Grab those 2 lines and check them out carefully. Squeez them inch by inch and look for cracks or like in my case see a little bit of coolant leak with each squeez.
There's no real way anyone on the Internet can tell you exactly what it is but we can help track it down.
Anyways, I had a very similar issue. Took me a while to figure it out because coolant was leaking but there were no visible signs of a leak. finally found out it was leaking from the area between the firewall and head. There was a puddle of coolant on the t-case. My leak was actually coming from one of the 2 rubber lines that go from the head to the throttle body. I actually checked those lines a few times and thought they were ok but there was a very very tiny crack in the line that would only leak when I would push it hard and heat up the engine bay. Grab those 2 lines and check them out carefully. Squeez them inch by inch and look for cracks or like in my case see a little bit of coolant leak with each squeez.
Dec 11, 2011 | 06:39 AM
#26
Evolved Member
Joined: Aug 2006
Posts: 1,427
Likes: 4
From: Sag-Nasty, MI
Why is every one trying to scare the guy? Lol at the ppl saying "oh it's the head gasket for sure" "oh your lifting the head for sure" lol
There's no real way anyone on the Internet can tell you exactly what it is but we can help track it down.
Anyways, I had a very similar issue. Took me a while to figure it out because coolant was leaking but there were no visible signs of a leak. finally found out it was leaking from the area between the firewall and head. There was a puddle of coolant on the t-case. My leak was actually coming from one of the 2 rubber lines that go from the head to the throttle body. I actually checked those lines a few times and thought they were ok but there was a very very tiny crack in the line that would only leak when I would push it hard and heat up the engine bay. Grab those 2 lines and check them out carefully. Squeez them inch by inch and look for cracks or like in my case see a little bit of coolant leak with each squeez.
There's no real way anyone on the Internet can tell you exactly what it is but we can help track it down.
Anyways, I had a very similar issue. Took me a while to figure it out because coolant was leaking but there were no visible signs of a leak. finally found out it was leaking from the area between the firewall and head. There was a puddle of coolant on the t-case. My leak was actually coming from one of the 2 rubber lines that go from the head to the throttle body. I actually checked those lines a few times and thought they were ok but there was a very very tiny crack in the line that would only leak when I would push it hard and heat up the engine bay. Grab those 2 lines and check them out carefully. Squeez them inch by inch and look for cracks or like in my case see a little bit of coolant leak with each squeez.
Dec 11, 2011 | 07:17 AM
#27
i didnt mean to offend anyone but i just think its funny how people are TELLING him what it is and scaring the crap out of op lol
like i said, we cant know for sure what it is but we can help him trace the issue.
just saying take it easy with the certainty its something serious
like i said, we cant know for sure what it is but we can help him trace the issue.
just saying take it easy with the certainty its something serious
