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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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Old 12-01-2007, 02:14 PM   #1 (permalink)
iviper123
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cross-over

what a pain!!!!!!!!!!

currently working on changing it, no luck so far, any helpfull tips???

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98 GMC 3500 SRW CREW CAB 4X4
6.5L "F" seris eng.
4:10 REAR END
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HOMEMADE PMD COOLER relocated
CUSTOM AIR INTAKE BY: ME
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Old 12-01-2007, 03:21 PM   #2 (permalink)
qwomack
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Never changed one but I would think WD-40 would go a long way towards making it an easier job.

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Old 12-01-2007, 03:29 PM   #3 (permalink)
iviper123
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i already sprayed them for a couple days ahead of time w/pb blaster
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98 GMC 3500 SRW CREW CAB 4X4
6.5L "F" seris eng.
4:10 REAR END
AUTOMATIC TRANS
HOMEMADE PMD COOLER relocated
CUSTOM AIR INTAKE BY: ME
143,000 +
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Old 12-01-2007, 03:32 PM   #4 (permalink)
qwomack
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The only other thing I can think of is heating the nuts. Beyond that, I would break the studs, remove the manifolds (a real PITA) and drill and tap for new studs.

Good Luck.
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1998 K3500 FatBack
Heath PMD Isolator
Heath Max-E-Tork PCM
Heath Turbo-Master
Heath High Output Fuel Injectors
Pinnacle 4" Exhaust
K&N Filter
Proud member #737 of the 3500 dually club

S.N.I.P.E.
- "Super Naturally Intelligent Propulsion Engineer".
Heaven don't want us, and Hell is afraid we'll take over


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Old 12-01-2007, 03:33 PM   #5 (permalink)
daustin
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When i did mine, i sprayed them down several times a day for about 3 days. The started it up and let the manifolds get warm to the touch where i just could touch them, but not hot enough to burn the fingers. They came off pretty easy then. Good luck.
Don
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1993 GMC SLE 1500 350/4L60E
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Old 12-01-2007, 04:03 PM   #6 (permalink)
nickg
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Try this:

https://dieselplace.com/forum/showthread.php?t=184388
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Had a 95 2500 E/C S/B "S" engine. 6in Pro Comp Susp Lift. 3in exhaust, Upper intake gutted. DIY extended PMD harness, Pillar mounted EGT/Pyro/Tranny. NEW ENGINE, & REBUILT TRANNY

Now Have a Dodge 2001 5.9 Cummins, 2500, 4x4 LB, Quad Cab....Edge EZ (60hp/180tq) 80 hp Jammer II injectors and a 4inch magnaflow exhaust...(more to come),
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Old 12-02-2007, 02:27 PM   #7 (permalink)
izyahdaddy
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mine had 230,000 miles on it and had problems breaking loose..someone on here told me to..spray with pb buster let it sit for about 30 min. then drive the truck for about 30 to heat up bolts..let it sit for about 30 to cooll a bit and they all broke loose with ease...it worked for me
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93 gmc 1ton 6.5 td code F,4L80 w/monster tranny cooler, 10" whiplash lift,36" swampers,eagle alloys,cold air intake,mechanical wastegate ,marine injectors,3"downpipe w/4"Dump
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