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I have oil In coolant on cat 3306 excavator engine. I

Customer Question
I have oil In...

I have oil In coolant on cat 3306 excavator engine . I flushed system and changed oil cooler . problem still there. Sent out head and it checked ok . Seals on injectors appear ok . We are inspecting the head gasket and an obvious failure is not evident . any suggestion's . Oil cooler is usual problem so we are going to try to test cooler . they sometimes don't test bad even when bad .

Mechanic's Assistant: What is the complete model and serial number of your machine?

Engine is 3306 6nco06834 machine is 330 BL sn. 6DR02135

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

That should do it

Submitted: 26 days ago.Category: Medium and Heavy Trucks
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Answered in 22 minutes by:
3/29/2018
Technician: Don, Journeyman replied 26 days ago
Don
Don, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 1,746
Experience: journeyman mechanic over 40 years experience
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Hi there my name is don

since the tests you have done turned up negative i am sure it will be the cooler

i have come across this many time

best regards

Don

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Customer reply replied 26 days ago
u think the new oil cooler may be defective. I am lookiking to see if the injector have sleves. Oil pressurizing the cooling system troubles me.
Technician: Don, Journeyman replied 26 days ago

hi there yes that is what i have come across in most cases he oring lets go

Don

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You may still ask follow up questions at no extra charge after rating.
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Technician: Don, Journeyman replied 26 days ago

If you have any follow up questions , please do not hesitate to ask ,

If finished, please take a moment to rate my service,

It has been my pleasure to assist you

Have a great day

Don

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Technician: Don, Journeyman replied 22 days ago

MOrning did you still need help with this

Don

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