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Cat Man
Cat Man, Caterpillar Engine Expert
Category: Heavy Equipment
Satisfied Customers: 8812
Experience:  23 Years Caterpillar Engine experience.
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how to remove a high pressure oil pump on a 3126

Customer Question

how to remove a high pressure oil pump on a 3126
Submitted: 5 years ago.
Category: Heavy Equipment
Expert:  Cat Man replied 5 years ago.
Hi. Thanks for using JA! I will try and help you out.

Removing the high pressure pump is not hard at all. Just disconnrect both fuel lines and both the oil lines. Then disconnnect the two wire plug on the top. The there are three bolts that hold the pump on the front cover.

Also, the pump does not have to be timed to he engine. So when you go back with the pump. Just install it in he front cover.

Please reply back if you need more help.
Customer: replied 5 years ago.
The supply line pulled blew out of the pump housing. This is an electronically controlled engine and has ruined the housing. I have to take the entire housing out so that is my question. thanks
Expert:  Cat Man replied 5 years ago.
You are very welcome.

I have seen this failure before. The threads fail in the pump housing when the fitting iss overtighted. Ne sure just to snug up the fitting in the new pump. Unfortunately, the housing on the pump can not be replaced. You will need a new pump.

Please reply back if you need more help.
Expert:  Cat Man replied 5 years ago.
Hey. I just wanted to see how things were going. Please reply back if you need more help.
Expert:  Cat Man replied 5 years ago.

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