Injection pump
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Injection pump
Is there a way to test the health of my injection pump? The truck runs ok I'm just wondering if there is a way to inspect the pump and peek inside to determine if it is on the way out the door in the near future. My theory is if I some sort of issue I want to save for a new pump now vs not knowing and have it crap out and leave me in a pickle
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I have 183k. Starts fine. I use fuel additives. If only had truck little over a year. I'd rather save for it and loon for signs of wear and replace it before it craps out
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So far, I haven't had an IP actually /die/ on me; usually they just get funky timing wise, very retarded and not want to work right or sticky governor etc.
Also seals starting to leak is a common 'failure'(fuel dripping out the weep hole at the bottom of the IP)
Due to the design, it has to work it's hardest when trying to start(due to the low pressure in the transfer pump, low cranking speed meaning more leaks around the rotor), so you should run into starting issues before it actually fails.
Obviously, anything can randomly explode... but it's pretty rare.
Also seals starting to leak is a common 'failure'(fuel dripping out the weep hole at the bottom of the IP)
Due to the design, it has to work it's hardest when trying to start(due to the low pressure in the transfer pump, low cranking speed meaning more leaks around the rotor), so you should run into starting issues before it actually fails.
Obviously, anything can randomly explode... but it's pretty rare.
Thread Starter
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Senior User
Joined: May 2016
Posts: 142
Likes: 0
So far, I haven't had an IP actually /die/ on me; usually they just get funky timing wise, very retarded and not want to work right or sticky governor etc.
Also seals starting to leak is a common 'failure'(fuel dripping out the weep hole at the bottom of the IP)
Due to the design, it has to work it's hardest when trying to start(due to the low pressure in the transfer pump, low cranking speed meaning more leaks around the rotor), so you should run into starting issues before it actually fails.
Obviously, anything can randomly explode... but it's pretty rare.
Also seals starting to leak is a common 'failure'(fuel dripping out the weep hole at the bottom of the IP)
Due to the design, it has to work it's hardest when trying to start(due to the low pressure in the transfer pump, low cranking speed meaning more leaks around the rotor), so you should run into starting issues before it actually fails.
Obviously, anything can randomly explode... but it's pretty rare.
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Joined: Dec 2011
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Also, watch this:
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Senior User
Joined: May 2016
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Uh... Usually they just need tightening, IF it's seeping from the high pressure line. If it's on the injector end, you want to look at the return cap underneath first; those leak all the time.
I do know that there's a screen on the fuel inlet side of the pump, right at the very back. You'll want to read through a complete IP teardown and rebuild guide; I recall it being available as a downloadable PDF somewhere on the internet. Remember, these are a Stanadyne DB2 pump.
Also, watch this: https://www.youtube.com/watch?v=veEONfhL3Uk
I do know that there's a screen on the fuel inlet side of the pump, right at the very back. You'll want to read through a complete IP teardown and rebuild guide; I recall it being available as a downloadable PDF somewhere on the internet. Remember, these are a Stanadyne DB2 pump.
Also, watch this: https://www.youtube.com/watch?v=veEONfhL3Uk
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