Bob Schmeckpeper Posted September 29, 2021 Share Posted September 29, 2021 Has anyone had to change the fuel transfer pump. Ours is leaking. I ordered one from Cummins $$$ pricey little bugger. $480 + tax & shipping. Been trying all day to get a price for labor with no luck. So it looks like I will have to do it myself. Any advice is greatly appreciated. If you happen to know a mechanic in Farmington NM. Send me his number. 🙃👍 Going on the 3rd night at Sam's Club parking lot. Link to comment Share on other sites More sharing options...
JDCrow Posted September 29, 2021 Share Posted September 29, 2021 (edited) Which engine? Looks like ISC Lift Pump. Just bypass it like did. Super easy https://www.ultrarvproducts.com/Diesel-Fuel-System/UP95G-Heavy-Duty-Lift-Pump-for-Cummins-ISC-ISL-CAPS-Fuel-System Edited September 29, 2021 by JDCrow Link to comment Share on other sites More sharing options...
Tim.dougherty@comcast.net Posted September 29, 2021 Share Posted September 29, 2021 Truck shop I took mine to charged 3 hrs for the job, was at $90 hr. Link to comment Share on other sites More sharing options...
Bob Schmeckpeper Posted September 29, 2021 Author Share Posted September 29, 2021 Jd Cummins 330hp Manufactured in 2020 Link to comment Share on other sites More sharing options...
Hypoxia Posted September 29, 2021 Share Posted September 29, 2021 Lots of us have had good luck removing it and tightening the 3 bolts that squeeze the gasket. That fixed one on an ISC I owned. Sometimes they leak through the electrical wire hole. I don't know of a cure for that. _Cummins-06T5-18-LiftPump.docx Link to comment Share on other sites More sharing options...
JDCrow Posted September 29, 2021 Share Posted September 29, 2021 (edited) 52 minutes ago, BobSchmeck said: Jd Cummins 330hp Manufactured in 2020 Ok then what I posted. Get rid of the problematic lift pump all together https://www.ultrarvproducts.com/Diesel-Fuel-System/UP95G-Heavy-Duty-Lift-Pump-for-Cummins-ISC-ISL-CAPS-Fuel-System I can send some pics of the install if needed Edited September 29, 2021 by JDCrow Link to comment Share on other sites More sharing options...
Cubflyer Posted September 29, 2021 Share Posted September 29, 2021 Bob S. If that is a photo of your leaking pump, and it is not leaking on the ground, seems minor enough to continue... I unknowingly drove mine from South FL to Memphis with a pump leaking worse than that.... never mind if that is not a current photo... ASAP, bypass that expensive pos with a FASS pump or FASS pump/filter system..... Ken Link to comment Share on other sites More sharing options...
Bob Schmeckpeper Posted September 30, 2021 Author Share Posted September 30, 2021 1 hour ago, Cubflyer said: Bob S. If that is a photo of your leaking pump, and it is not leaking on the ground, seems minor enough to continue... I unknowingly drove mine from South FL to Memphis with a pump leaking worse than that.... never mind if that is not a current photo... ASAP, bypass that expensive pos with a FASS pump or FASS pump/filter system..... Ken Yes I noticed it leaking onto the ground. Not supper bad. I decided to get the pump for a little insurance. Better safe than sorry. I have about 600 miles to go without a major town near by. The leak is not very bad right now. Hope it holds till I get home. Cummins labor estimate finely came through $850 labor & shop supplies, just about shit my pants. Total bill very close to $1,300. Link to comment Share on other sites More sharing options...
Bob Schmeckpeper Posted September 30, 2021 Author Share Posted September 30, 2021 3 hours ago, Hypoxia said: Lots of us have had good luck removing it and tightening the 3 bolts that squeeze the gasket. That fixed one on an ISC I owned. Sometimes they leak through the electrical wire hole. I don't know of a cure for that. _Cummins-06T5-18-LiftPump.docx 3.38 MB · 13 downloads Darn, won't download. 3 hours ago, JDCrow said: Ok then what I posted. Get rid of the problematic lift pump all together https://www.ultrarvproducts.com/Diesel-Fuel-System/UP95G-Heavy-Duty-Lift-Pump-for-Cummins-ISC-ISL-CAPS-Fuel-System I can send some pics of the install if needed Thanks for the information. Will have to look at that. Cummins is getting a pump to me tomorrow. I hope. I'm going to proceed with my old pump, but at least I have a spare incase of a major failure. The labor was ridiculous. 1 Link to comment Share on other sites More sharing options...
Bob Schmeckpeper Posted September 30, 2021 Author Share Posted September 30, 2021 3 hours ago, JDCrow said: Ok then what I posted. Get rid of the problematic lift pump all together https://www.ultrarvproducts.com/Diesel-Fuel-System/UP95G-Heavy-Duty-Lift-Pump-for-Cummins-ISC-ISL-CAPS-Fuel-System I can send some pics of the install if needed It won't download or open. 😢 Link to comment Share on other sites More sharing options...
JDCrow Posted September 30, 2021 Share Posted September 30, 2021 2 minutes ago, BobSchmeck said: It won't download or open. 😢 Link to comment Share on other sites More sharing options...
Hypoxia Posted September 30, 2021 Share Posted September 30, 2021 23 minutes ago, BobSchmeck said: Darn, won't download. Thanks for the information. Will have to look at that. Cummins is getting a pump to me tomorrow. I hope. I'm going to proceed with my old pump, but at least I have a spare incase of a major failure. The labor was ridiculous. _Cummins-06T5-18-LiftPump.pdf Link to comment Share on other sites More sharing options...
Bob Schmeckpeper Posted September 30, 2021 Author Share Posted September 30, 2021 Here's what I just learned. My brother just explained this to me. It’s for an ISC or a ISL engine.. you have a B- 5.9 liter engine. Also a whole different fuel system. Won’t work for your set up. The pump that JD posted won't work for my engine. Link to comment Share on other sites More sharing options...
JDCrow Posted September 30, 2021 Share Posted September 30, 2021 17 minutes ago, BobSchmeck said: Here's what I just learned. My brother just explained this to me. It’s for an ISC or a ISL engine.. you have a B- 5.9 liter engine. Also a whole different fuel system. Won’t work for your set up. The pump that JD posted won't work for my engine. Sorry about that, I'm used to a 330 Cummins being an ISC, my 02 Dip is an ISC. There are FASS or AIRDOG systems for ISB, probably more so since there were a whole lot of 5.9s floating out there Link to comment Share on other sites More sharing options...
Cubflyer Posted September 30, 2021 Share Posted September 30, 2021 Bob S, What?? I don't want to challenge your brother.... but if the photo you sent is of your engine and you have a 2001 Dip...... you have a Cummins 8.3 ISC 330 hp engine. https://www.rvroundtable.com/wp-content/uploads/Monaco/Diplomat-LE/2001.Diplomatle.pdf see page 4 https://www.nadaguides.com/RVs/2001/Monaco Ken Link to comment Share on other sites More sharing options...
JDCrow Posted September 30, 2021 Share Posted September 30, 2021 (edited) 34 minutes ago, Cubflyer said: Bob S, What?? I don't want to challenge your brother.... but if the photo you sent is of your engine and you have a 2001 Dip...... you have a Cummins 8.3 ISC 330 hp engine. https://www.rvroundtable.com/wp-content/uploads/Monaco/Diplomat-LE/2001.Diplomatle.pdf see page 4 https://www.nadaguides.com/RVs/2001/Monaco Ken LOL, I wasn’t going there. Lift pump is totally different on an ISB. Also I believe stock those years ISB is only 300hp. Could look at hitch? 10k towing is an ISC. lots of different Configs that float around in MH for sure. Just pop the hatch and see if ISC in on the valve cover? Edited September 30, 2021 by JDCrow Spelling Link to comment Share on other sites More sharing options...
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