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Home   Injection Pumps   PMD (Pump Mount Driver)

PMD (Pump Mount Driver)

Manufacturer Alliant Power
Weight 2.00 lbs
MPN AP63486
Brand Alliant Power
Google Product Category Vehicles & Parts > Vehicle Parts & Accessories > Motor Vehicle Parts
Engine Chevy/GMC
Model All
Start Year 1994
End Year 1999
Internal ID 012AP63486
Market price: $238.69
Our price: $202.89
Qty

GM Technical Service Bulletin #77-63-06Ab states that: "stalling, hard starting, and hesitation are symptoms of a failing PMD (Pump Mounted Driver) module." These symptoms usually (but not always) set a code 35 or 36 in the 1994 - 1995 models, or a code 1216 in the 1996 - up models.  

A Pump Mounted Driver (PMD) is the black box on the side of the injection pump on 6.5L diesels in GM vehicles.  The PMD has been a major problem for Chevy / GMC 6.5L diesel owners since its introduction on the 1994 6.5L electronically controlled DS4 fuel injection pump. The PMD is a solenoid pack that builds up heat and uses the injection pump, and the fuel running through it, to absorb that heat. The injection pump is in the valley of the engine between the cylinder heads and the heat produced by the engine is also absorbed into the injection pump. The PMD cannot withstand excessive heat. The fuel going through the pump cannot adequately remove the heat to keep the PMD functional. The heat produced by the PMD attached to the injection pump can also cause the failure of the optical sensor within pump, as well as heat transferred to the fuel causes it to lose lubricating qualities resulting in mechanical pump failure. You may want to look at the PMD Cooler Option

  • Alliant Power Products are built to OEM specifications and testing.
  • Comes with the PMD, PMD Pad, and Harness Kit - Made in the U.S.A.

Same as Stanadyne p/n 00135976

 
 
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