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| 6.5L Diesel Engine Discuss the 6.5 GM diesel engine & associated components. Automatic transmission questions & problems belong in the 4L80/85 - 4L60E - 6L90 Transmission Forum |
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Yesterday, 02:09 PM
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#1 (permalink) |
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Freeze Plug
Join Date: May 2018
Posts: 22
iTrader Score: 0 reviews
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Fuel issues help
Ok. 6.5 project.
Replaced lift pump, filters, injectors etc. All good up to the bleeder. Clean flow with no air. Problem. No fuel to the injectors. Rear four injector line cracked open. Nothing. Lots of cranking but nothing. I need a little help understanding how the injector pump works. Tips on troubleshooting etc. Truck project specs in my profile.
__________________
2000 GMC Savana 3500 former gasser now has an 01' 6.5L 4L80E Stock block and heads. Leroy Diesel upgrades: Harmonic Bal and billet pully, Carter LP w/ remote prime switch, GM thermostats, New stock GM injectors. New Oil lines, PMD re-location. Wicked Wheel, GloShift trans, boost, EGT gauges. Dual Alternators/batterys. |
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Yesterday, 02:29 PM
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#2 (permalink) |
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Administrator
 
Join Date: Jul 2013
Location: N.E. Oklahoma
Posts: 14,139
iTrader Score: 0 reviews
DieselPlace.com Lifetime Premium Member |
Go through all of your grounds using the link in the FAQ for reference.
Remove each one, clean and reinstall. Try another "Known Working" PMD w/resistor installed. Also try both PMD's on the OEM harness on the IP to rule out a bad extension harness.
__________________
1996 K3500 6.5L,( "F" Eng #141 cast block) 5 speed manual, crewcab, dually longbed: 208,000mi. Diamond Eye 4" Turbo Back Exhaust w/2.5" Flo-Pro Crossover AirDog II DF165 w/ tank sock delete - XDP TD-Max boost controller - Kennedy Diesel OPS extension hose - Leroy Diesel Glow Plug Harness- PT Wiring Solutions Glowshift Maxtow EGT,Boost, Fuel gauges Boost & Fuel Pressure Bolts - Leroy Diesel 2/0 Battery Cable Upgrade - PT Wiring Solutions PMD w/#9 resistor and Re-Location Kit, mounted to bumper - Leroy Diesel GM-5 Turbocharger 4.10 gear ratio OptiLube Winter Formula Proud member #1039 of The 3500 Dually Club 
Last edited by OkDually; Yesterday at 02:30 PM. |
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Yesterday, 02:40 PM
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#3 (permalink) |
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Diesel Superstar
Join Date: May 2005
Location: Very south TEXAS, Formerly Wisconsin
Posts: 3,754
iTrader Score: 5 reviews
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What was the donor vehicle?
Have you dealt with the factory security system?
__________________
There are 10 kinds of people in this world; Those who understand binary and those who don't. 99 CREW LONG SRW C3500 work truck 199k+ mi. orig. motor & trans 4.10, modded engine harness, new oil cooler & lines, all new front end parts and poly bushings, trans poly mount, all new brakes. 96 SUBURBAN K2500 wife's truck 210k+ mi. orig. motor & trans, 3.73... 95 C2500 Suburban 6.5td HO w/p, timing set, HB & pulley, all rubber hoses, modded engine & main harness, converted to OBD2, PMD to bumper... 95 C1500 Suburban 6.5td rebuild tranny, convert to DB2, replacing as many parts as I can. 96 C2500 Suburban 7.4L converting to 6.5td w/ DB2, 4L80, 3.73 |
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Yesterday, 04:23 PM
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#4 (permalink) |
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Freeze Plug
Join Date: May 2018
Posts: 22
iTrader Score: 0 reviews
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Going through the grounds. The PMD and extension were good before the swap. No security system.
Any place to jump a direct ground for testing?
__________________
2000 GMC Savana 3500 former gasser now has an 01' 6.5L 4L80E Stock block and heads. Leroy Diesel upgrades: Harmonic Bal and billet pully, Carter LP w/ remote prime switch, GM thermostats, New stock GM injectors. New Oil lines, PMD re-location. Wicked Wheel, GloShift trans, boost, EGT gauges. Dual Alternators/batterys. |
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Yesterday, 04:25 PM
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#5 (permalink) |
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Freeze Plug
Join Date: May 2018
Posts: 22
iTrader Score: 0 reviews
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Exactly how does the injector pump run/work?
__________________
2000 GMC Savana 3500 former gasser now has an 01' 6.5L 4L80E Stock block and heads. Leroy Diesel upgrades: Harmonic Bal and billet pully, Carter LP w/ remote prime switch, GM thermostats, New stock GM injectors. New Oil lines, PMD re-location. Wicked Wheel, GloShift trans, boost, EGT gauges. Dual Alternators/batterys. |
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Yesterday, 04:34 PM
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#6 (permalink) | |
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Administrator
Join Date: Jul 2013
Location: N.E. Oklahoma
Posts: 14,139
iTrader Score: 0 reviews
DieselPlace.com Lifetime Premium Member |
Quote:
A PMD can go bad very quickly. GM installed a Theft Deterrent system on all 97+ year vehicles. Here is a thread on the anti theft relearn: https://dieselplace.com/forum/showth...141#post341141
__________________
1996 K3500 6.5L,( "F" Eng #141 cast block) 5 speed manual, crewcab, dually longbed: 208,000mi. Diamond Eye 4" Turbo Back Exhaust w/2.5" Flo-Pro Crossover AirDog II DF165 w/ tank sock delete - XDP TD-Max boost controller - Kennedy Diesel OPS extension hose - Leroy Diesel Glow Plug Harness- PT Wiring Solutions Glowshift Maxtow EGT,Boost, Fuel gauges Boost & Fuel Pressure Bolts - Leroy Diesel 2/0 Battery Cable Upgrade - PT Wiring Solutions PMD w/#9 resistor and Re-Location Kit, mounted to bumper - Leroy Diesel GM-5 Turbocharger 4.10 gear ratio OptiLube Winter Formula Proud member #1039 of The 3500 Dually Club
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Yesterday, 04:39 PM
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#7 (permalink) | |
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Administrator
Join Date: Jul 2013
Location: N.E. Oklahoma
Posts: 14,139
iTrader Score: 0 reviews
DieselPlace.com Lifetime Premium Member |
Quote:
IF the PMD is bad you will have a no-start condition. Also, remove the plunger from the fuel shutoff solenoid: https://www.dieselplace.com/forum/63...ml#post5082905
__________________
1996 K3500 6.5L,( "F" Eng #141 cast block) 5 speed manual, crewcab, dually longbed: 208,000mi. Diamond Eye 4" Turbo Back Exhaust w/2.5" Flo-Pro Crossover AirDog II DF165 w/ tank sock delete - XDP TD-Max boost controller - Kennedy Diesel OPS extension hose - Leroy Diesel Glow Plug Harness- PT Wiring Solutions Glowshift Maxtow EGT,Boost, Fuel gauges Boost & Fuel Pressure Bolts - Leroy Diesel 2/0 Battery Cable Upgrade - PT Wiring Solutions PMD w/#9 resistor and Re-Location Kit, mounted to bumper - Leroy Diesel GM-5 Turbocharger 4.10 gear ratio OptiLube Winter Formula Proud member #1039 of The 3500 Dually Club
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Yesterday, 08:41 PM
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#8 (permalink) |
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Freeze Plug
Join Date: May 2018
Posts: 22
iTrader Score: 0 reviews
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All good stuff. Grounded the PCM with a wire from ground to the heat sink. Looks like this may have helped. Getting a little fuel drip at the injectors. Battery needs charging so I’ll try again tomorrow.
__________________
2000 GMC Savana 3500 former gasser now has an 01' 6.5L 4L80E Stock block and heads. Leroy Diesel upgrades: Harmonic Bal and billet pully, Carter LP w/ remote prime switch, GM thermostats, New stock GM injectors. New Oil lines, PMD re-location. Wicked Wheel, GloShift trans, boost, EGT gauges. Dual Alternators/batterys. |
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Yesterday, 09:00 PM
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#9 (permalink) |
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Diesel Superstar
Join Date: May 2005
Location: Very south TEXAS, Formerly Wisconsin
Posts: 3,754
iTrader Score: 5 reviews
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How did you deal with security?
__________________
There are 10 kinds of people in this world; Those who understand binary and those who don't. 99 CREW LONG SRW C3500 work truck 199k+ mi. orig. motor & trans 4.10, modded engine harness, new oil cooler & lines, all new front end parts and poly bushings, trans poly mount, all new brakes. 96 SUBURBAN K2500 wife's truck 210k+ mi. orig. motor & trans, 3.73... 95 C2500 Suburban 6.5td HO w/p, timing set, HB & pulley, all rubber hoses, modded engine & main harness, converted to OBD2, PMD to bumper... 95 C1500 Suburban 6.5td rebuild tranny, convert to DB2, replacing as many parts as I can. 96 C2500 Suburban 7.4L converting to 6.5td w/ DB2, 4L80, 3.73 |
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Yesterday, 09:03 PM
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#10 (permalink) | |
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Administrator
Join Date: Jul 2013
Location: N.E. Oklahoma
Posts: 14,139
iTrader Score: 0 reviews
DieselPlace.com Lifetime Premium Member |
Quote:
If one or both fail, replace them both as a matched set. If you need to open injector lines only open the #1 line to lessen the amount of air you are introducing into the fuel system.
__________________
1996 K3500 6.5L,( "F" Eng #141 cast block) 5 speed manual, crewcab, dually longbed: 208,000mi. Diamond Eye 4" Turbo Back Exhaust w/2.5" Flo-Pro Crossover AirDog II DF165 w/ tank sock delete - XDP TD-Max boost controller - Kennedy Diesel OPS extension hose - Leroy Diesel Glow Plug Harness- PT Wiring Solutions Glowshift Maxtow EGT,Boost, Fuel gauges Boost & Fuel Pressure Bolts - Leroy Diesel 2/0 Battery Cable Upgrade - PT Wiring Solutions PMD w/#9 resistor and Re-Location Kit, mounted to bumper - Leroy Diesel GM-5 Turbocharger 4.10 gear ratio OptiLube Winter Formula Proud member #1039 of The 3500 Dually Club
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