HARD KNOCK AFTER LIFT PUMP REPLACEMENT

[Ian Rebmann]

There are no vacuums lines on a diesel, minus the vacuum pump itself.

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what are the lines that carry air to the IP and brake system?

 

[79jasper]

Doh. That's the vrv for the transmission.
I always forget about those.

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[Ian Rebmann]

another thought if the cam lobe is very worn and if the lift pump isnt able to push enough fuel up could it create a knock? Im thinking that the shavings in the oil filter were from the cam lobe. the lift pump looked pretty new so it was probably replaced not to long before I bought her. The wear on it the pump was not that bad and it seemed to function fine when I pulled it off. so maybe the cam lobe is more of the problem and not the pump.

 

[Hydro-idi]

A valve cover won’t make that ticking sound. Neither will a worn lift pump lobe.

 

[Macrobb]

There are no vacuums lines on a diesel, minus the vacuum pump itself.

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The VRV for a C6 automatic requires vacuum, and this mounts to the IP throttle shaft on the driver's side of the IP.

 

[79jasper]

The VRV for a C6 automatic requires vacuum, and this mounts to the IP throttle shaft on the driver's side of the IP.

See post 32.................................

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[Ian Rebmann]

OK sweet i was still a little unclear on why there was air headed to the IP

 

[Ian Rebmann]

starting a new thread called Engine swap please chim in if you have advice