View Full Version : antifreeze leak under boost?
shelbycsx4me
07-07-2011, 11:31 PM
Just got my CSX-VNT #237 back on the road after a clutch disaster
and now under boost I smell coolant. I have no known history
about this car since I just bought it.
Could it be a turbo seal problem?
I do not have an overheating issue like a bad head gasket.
I'm asking to get ideas on what's possible before I rip into it again.
Thanks
Steve
cordes
07-07-2011, 11:47 PM
Sounds like you may be pressurizing the cooling system somehow. Make sure that your heater core isn't leaking though. I had one that would leak noticeably at higher RPM.
turbovanmanČ
07-08-2011, 03:40 AM
Turbo seal won't cause a coolant issue.
Is the coolant level going down? Bubbling after driving? If you can't see any leaks, then try a new rad cap, this has caused many to chase a theoritcal blown head gasket.
shelbycsx4me
07-09-2011, 11:00 AM
I am going to try eliminating the head gasket by pulling the plugs out, running each
cylinder to TOC and then pressuring each with 30-40 lbs of air while watching the
radiator level. That worked for a neon i had once.
The problem is exactly what "cordes" mentioned
but "turbovanman" rad-cap sounds right too.
Steve
shelbycsx4me
07-15-2011, 03:07 PM
It appears to be a leaky heater core.
No head gasket problems.
Next question....
How much of a pain is it to change the heater core?
Does it require pulling the dash?
Steve
cordes
07-15-2011, 03:17 PM
It appears to be a leaky heater core.
No head gasket problems.
Next question....
How much of a pain is it to change the heater core?
Does it require pulling the dash?
Steve
It's a real pain. You can do it without totally pulling the dash, but I would recommend taking your time and pulling the dash on the first try. I had an ignition switch fail on my 90' Shadow at the same time I did the heater core. Since the switch was failing intermittently I though that I had messed up a ground under the dash and it took me months to figure out that it was a coincidental problem.
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