Possible sign of bad head gasket?

Ceauxkneauxs00 · 2025-02-06T08:06:17-0500

I’ve had to add coolant twice in 2 months. Due to it being winter time it’s difficult to see if there’s anything on the ground after it’s been sitting. Just hoping it’s something less expensive than replacing the head gasket.
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Miami-Dade · 2025-02-06T08:34:03-0500

@Ceauxkneauxs00 Please post your vehicle information. Year-Model etc. Thank You

Welcome from Miami&NYC!

Ceauxkneauxs00 · 2025-02-06T09:28:36-0500

Miami-Dade said:
@Ceauxkneauxs00 Please post your vehicle information. Year-Model etc. Thank You

Welcome from Miami&NYC!

2012 Yukon

lspann3525 · 2025-02-06T10:04:22-0500

head gasket will cause the oil to look similar to a milk-shake. Disappearing coolant could be heater core but you will usually smell it

Ceauxkneauxs00 · 2025-02-06T10:12:52-0500

lspann3525 said:
head gasket will cause the oil to look similar to a milk-shake. Disappearing coolant could be heater core but you will usually smell it

Would I check the dipstick? What type of smell? The smell would be bad heater core or gasket?

Marky Dissod · 2025-02-06T11:45:17-0500

Ceauxkneauxs00 said:
Would I check the dipstick?

Dipstick, as well as the oil cap.
You may also eventually notice oil pressure that creeps lower and lower, as more coolant seeps into oil system.
More coolant in oil = less oil pressure.

Ceauxkneauxs00 said:
What type of smell? The smell would be bad heater core or gasket?

Smells like your coolant. I don't know what your coolant smells like. Mine smells like a sweetener I would want to avoid at all costs.
Some coolant has bittering agents to prevent dogs from committing *sewisyde* by lapping up too much of it.

You can't tell where the leak is leaking by smelling it. Look for where the drips are coming from.
My favorite reason for using RMI-25 in my coolant is because coolant leaks show up under blue light easily.

Ceauxkneauxs00 · 2025-02-06T12:00:01-0500

Marky Dissod said:
Dipstick, as well as the oil cap.
You may also eventually notice oil pressure that creeps lower and lower, as more coolant seeps into oil system.
More coolant in oil = less oil pressure.Smells like your coolant. I don't know what your coolant smells like. Mine smells like a sweetener I would want to avoid at all costs.
Some coolant has bittering agents to prevent dogs from committing *sewisyde* by lapping up too much of it.

You can't tell where the leak is leaking by smelling it. Look for where the drips are coming from.
My favorite reason for using RMI-25 in my coolant is because coolant leaks show up under blue light easily.

Thanks Marky for the helpful info. I’ll check it after work.

Possible sign of bad head gasket?

Ceauxkneauxs00

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Miami-Dade

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lspann3525

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Marky Dissod

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