Question about 1988 Ford F 250
How many inches of vacume should my vacume pump produce, and how many inches of vacume are required to operate the brake booster? This is on a 1988 ford f250 diesel.
16 to 20 at idle and 20 to 22 at the most diesels also use a auxillary pump to get the vaccum because it has no trottle there for no vaccum, might want to check that also.
Posted on Apr 20, 2009
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Posted on Jan 02, 2017
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