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About Van
Expertise
I can answer most questions concerning 4X4 engine, drive line, suspension, electrical, and fuel, both diesel and gasoline. Ford, GM, and Dodge, old and new.

Experience
I have been maintaining a fleet of approximately 55 light, medium and heavy vehicles for over 20 years. Most are 4X4 pickups and off road fire fighting trucks.

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Truck Repair - vscum pump psi

Follow-Ups to Answer from Expert Van

dieseldad wrote at 2007-08-26 13:06:57
A diesel has an axuillary vacume pump that is prone to failure.My 86 ford 6.9 has failed 3 times in 5 years.NOTE* diesels make NO vacume,the pump makes it for you.

Harry wrote at 2007-11-08 07:30:21
Early Ford 6.9 Diesels use an auxilliary pump
(mounted just above the manual fuel pump on
passenger side front of engine ) to give vaccum
pressure for brake booster as aside a typical
diesel engine has no vaccum pressure .
Harry

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