How to Replace Factory Lift Pump on 6.5 Turbo Diesel (Detroit Diesel)
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- Опубликовано: 22 дек 2020
- In today's video I replace my factory lift pump on 1992 k2500 6.5 Turbo Diesel. This was a super easy job. Hope this helps ya'll out. Feel free to leave questions in the comment section, but for quicker answers ask them on intsagram which is lonestarspicyboys.
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Lone Star Spicy Boys is not responsible for any damages or injuries incurred while trying to replicate actions or tasks performed in their videos. 
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Cycling the key won't work on '94 (and maybe '95) 6.5s to get the air out because it has no prime with 'key on engine off,' and it creates the potential to draw more air in if it accidentally does start anyways. On mine I needed to buy a $135 lift pump harness from Leroy Diesel and can now easily activate the lift pump with a button under the hood any time I want to. This harness also adds prime during 'Wait To Start' ('key on engine off'). On later trucks ('95 or '96+, whenever they got new interiors) powering the lift pump can be done with a paper clip. It maybe able to be done with one too on a '94 and earlier but the fuse location is less accessible.
I ended up buying that harness from Leroy Diesel and its been great so far.
@@lonestarspicyboys4164 Cool, great to hear. A few good sources of parts for the 6.5 out there.. Quadstar Tuning also (I bought their battery cable kit).
Nice. I gotta replace this on my old mans truck today. That 4wd single rear wheel is the ideal setup for these trucks. I'll be looking to get one eventually. They seem to rust less than my 2001 gmc.
I'd recommend getting one! It's been a really great truck for me.
thanks man
No problem man
Before you changed it what problems did your truck had also when it went out was your engine light on thanks in advance
When It went out I was going through oil pressures sensors very frequently, like 3 or 5 in 4 or 5 months. I didn't have a check engine light, but my truck is the older mechanical 6.5 so if yours is 1994 or newer it could have the check engine light on. Glad to help man!
Thank you for the video. My 1993 ck3500 is starting just fine but after I turn it off I have to wait
4 hours for it to cool down. I was told that this might be the lift pump. Did you have any problems
like that be sides your oil pressures sensors. My lift pump is 7 years old. I don't know how
long they last on the older 6.5. Any suggestion are appreciated.
I found out about my problem because I was going through oil pressure sensors really quickly. Being an older truck, it might be a good idea to replace both the lift pump and the oil pressure sensor. I would recommend using AC Delco as they seem to be better than the cheaper brands. You might also want to get the lift pump relay harness that Leroy Diesel has on their website. It's supposed help the oil pressure sensors to last longer.
Also, no problem! We appreciate the comment!
Was there any o-rings required?
It's been along time since I replaced it, but I do not think so.
Yes. I. Se. The. Video... what's. Its. The. Symptoms..the. old..
Any air in the lines doing this?
You'll get a little air in the lines, but you can crack open the vent at the top of the fuel filter and either cycle the key (if you have a newer detroit) or crank the motor with out letting it start and that should get all the air out.
Wtf, You don't actually show the removal of the pump from the fittings and the reapplication of the new pump actually tightening down the fittings. Just a bunch of talk showing an old and new lift pump duh