Vacuum Pump Problems - Dodge Cummins Diesel Forum
98.5-02 Non-Powertrain Discussion of 98-02 Topics Not related to the Powertrain...NO ADVERTISING

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post #1 of 1 (permalink) Old 11-27-2011, 10:58 AM Thread Starter
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Smile Vacuum Pump Problems

Thanks to 2000CTD's article on VP44 and Vacuum/Steering pump maintenance I was able to determine the problem with my no power steering or hydraboost brakes. Using the excellent article I was able to teardown the vacuum pump and discovered it was missing the shear pin/roll pin in the drive adapter. The worst part is this was a newly purchased rebuild from Oriely Autoparts.
After spending many hours replacing parts, although everything I replaced was bad, steering box (worn lots of play), hydraboost (leaking at the firewall side) and power steering pump (low pressure), I finally found the culprit to be the vacuum pump. This site is a great sourse of information.

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