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Coolant leaking around right bank second from front

Customer Question
Coolant leaking around right...

Coolant leaking around right bank second from front injector, we pulled the injector and we see coolant at the bottom of the hole, please advise?

Mechanic's Assistant: How old are the hoses? And have you tested the actual mix of your coolant?

Coolant hose were replace three moths ago, have not tested coolant.

Mechanic's Assistant: What is the model/year of your GM?

2006 LLY engine with 268K miles on it

Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far?

We are an automotive repair facility, we have just inspected for the source of the leak and coolant leaking out around #3 injector, please advice.

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

No, we are just trying to determine if this is a cracked cylinder head, please advise.

Submitted: 4 months ago.Category: GMC
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Answered in 4 minutes by:
12/18/2017
GMC Mechanic: Tim Mohr, ASE MASTER TECH replied 4 months ago
Tim Mohr
Tim Mohr, ASE MASTER TECH
Category: GMC
Satisfied Customers: 16,436
Experience: 30 YRS EXPERIANCE, AUTO AND TRUCK,FOREIGN AND DOMESTIC, GAS AND DIESEL
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Hi, my name is ***** ***** can really only be a cracked head, have you pressure tested the cooling system, with that injector out?

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GMC Mechanic: Tim Mohr, ASE MASTER TECH replied 4 months ago

are you still here?

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Tim Mohr
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