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Old 09-17-2010, 04:48 AM
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mach0415 mach0415 is offline
Diesel Weasel
 
Join Date: Mar 2010
Location: Lawndale, NC
Posts: 648
Yep, the older 7.3 IDI n/a and Banks-turbo powered (1994 and earliest 1995) and 7.3 TDI Navistar-powered Ford trucks to 1997 used this style belt-driven pump to drive all vacuum components, including vacuum booster brakes. It was very reliable. 1999- went to Hydroboost for brakes and electric for dash HVAC and 4x4 function if equipped. I have seen my share of pump replaced over the years, but given the number of trucks out there at the time and after a while, not many of these pumps have been replaced. So, they're pretty rugged. Make an adapter bracket and let 'er eat! Good thinking.

So is it my understanding, then that the MB vac pump design has nothing to do with the timing device and IP? If not, how do the bearings grenade and find their way into the timing chain? Is it through exposure to the oiled back side of the VP? Forgive me, I have never had one apart.
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Thanks,
Mark in NC

"Spark plugs?...We don't need no stinking spark plugs!"
1985 300SD "Der Silberne Schlitten" 420,000 mi


Wish these were diesel:
2003 Ford Club Wagon 130,000 mi
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