which pump do I have

1225 Views 13 Replies 6 Participants Last post by gmctd, Jan 22, 2007

BigIron.45

Discussion Starter · Jan 21, 2007

while changing the water pump I was looking around on my engine and noticed that I can't find a PMD on further examination and after checking stanadyne's website I do believe I have a DB- pump and not a DS. how do I know for sure, what #s am I looking for on the ID tag

Thanks all

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BigIron.45

Discussion Starter · #3 · Jan 22, 2007

Ok here is the best pic I got of the pump. Also in the second pic the vacuum line from the EGR is pinched off...Why would someone do that and does it have anything to do with the fact that I can move my WG rod by hand at an idle?

Thanks again.

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BigIron.45

Discussion Starter · #8 · Jan 22, 2007 (Edited)

Think I have a combo pedal will post a pic in about an hour, dishes are waiting to be done. also it is a '94 truck and I just put a '97 Water pump on it yesterday cash flow is limited so the T-Stat housing is still out there on the to-do list.

Thanks