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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 03-08-2016, 03:00 PM   #11 (permalink)
vstech
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there isn't any arc burns on the wires, but with no grommet, or anything to keep the wires from touching, I'm sure the heater circuit has popped. doubtful the glow plug controller would work...

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Old 03-08-2016, 04:58 PM   #12 (permalink)
HeavyChevy95
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FWIW. the wires look as if they were possibly snatched out from the heater base, exposing the wires. Not doubt that would greatly affect other systems with shared power and/or common grounds (splices or otherwise) when the ignition is first turned ON.... Was it plugged in when you discovereds it, if so find any popped fuses?

Given the growing evidence that FFM housing has been worked on recently, wouldnt surprise me if the last buckaroo missed the FH plug after unplugging the WIF sensor asuming that was it and snatched the pooh out of it after getting impatient as there back started to buckle.

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Old 03-08-2016, 05:03 PM   #13 (permalink)
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I spoke with the owner and the motor is a swap before he got the truck. He has no info on the FFM. he says he's never had issues with glow plugs or starting issues order than the fuel leak... But sometimes the glow light doesn't come on.

He's not familiar with diesel, so he may not know what glow starting is supposed to be like.

Hopefully I'll get everything sorted on this truck and he'll be amazed!
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6.5block in 6.2 trim with a TH400 attached
95 6.5 block, most of the IP, flywheel, and pressure plate.
95 Chevy Suburban 1500 "blue bomber"
2000 Chevrolet extended cab long bed 2500 6.5L HO
94 GMC extended cab long bed 6 lug truck 6.5L
Z71 ext cab standard bed S vin with a blown headgasket.
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Old 03-08-2016, 05:11 PM   #14 (permalink)
HeavyChevy95
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short vid of old style fuel heater w/ metal base and wire gromet, leaking fuel no less..


Last edited by Freddyack; 03-08-2016 at 07:54 PM. Reason: Imbed YouTube Video
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Old 03-08-2016, 05:18 PM   #15 (permalink)
HeavyChevy95
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I know when my fuel heater went on the fritz, and was entering its death throes, it disabled my GPs, the WTS lamp never would light up.. Found ECMB or ENG1 fuse (cant recall without looking) popped everytime the fuel heater would try to kick on.

Could explain the intermittent WTS lamp... Good Luck..
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Old 03-08-2016, 09:00 PM   #16 (permalink)
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I called 'The Diesel Store,' an online parts supplier, to get just the heater element when mine had a similar issue. They don't show the part on their web page, just the whole FFM assembly but, they did source just the element for a reasonable price (as I recall).
877-375-7867
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Old 03-09-2016, 12:33 PM   #17 (permalink)
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Quote:
Originally Posted by HeavyChevy95 View Post
short vid of old style fuel heater w/ metal base and wire gromet, leaking fuel no less..

http://www.youtube.com/watch?v=is0c95qn7sE
how much trouble do you have changing the filter with it raised up that high?

I raised his up 5" and offset it to point the hoses at the driver's side of the manifold to keep it from sitting on top of the intake hat.
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6.5block in 6.2 trim with a TH400 attached
95 6.5 block, most of the IP, flywheel, and pressure plate.
95 Chevy Suburban 1500 "blue bomber"
2000 Chevrolet extended cab long bed 2500 6.5L HO
94 GMC extended cab long bed 6 lug truck 6.5L
Z71 ext cab standard bed S vin with a blown headgasket.
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Old 03-09-2016, 12:52 PM   #18 (permalink)
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Quote:
Originally Posted by Paveltolz View Post
I called 'The Diesel Store,' an online parts supplier, to get just the heater element when mine had a similar issue. They don't show the part on their web page, just the whole FFM assembly but, they did source just the element for a reasonable price (as I recall).
877-375-7867
Just FYI, I got the whole FFM for around $120 from Amazon (including tax in TX).

So I did that instead of just the heater for around $100.
It comes with a new filter already so I just have to replace the old one as a whole.
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Old 03-09-2016, 02:11 PM   #19 (permalink)
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Quote:
Originally Posted by vstech View Post
how much trouble do you have changing the filter with it raised up that high?

I raised his up 5" and offset it to point the hoses at the driver's side of the manifold to keep it from sitting on top of the intake hat.
Thats not a picture of my trucks FFM. I tried to raise it like that and like you, I discovered the outlets were resting on the intake and to raise it any further pushed the top into (contacted) the hood insulation.
Simply put, I didnt like it so I quickly fabricated an aluminum bracket (pictured below) from an old pooper scooper to relocate the FFM forward and off to the side with no fuss AND I can keep both feet on the ground when servicing the FFM now.. No more back breaking bulls'it..
OEM electrical harness and WIF/FH pigtails provided plenty of slack so no electrical alterations or extensions were necessary.




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Old 03-09-2016, 02:53 PM   #20 (permalink)
prichmon
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I recently went through this. Heater was popping dash 20 amp fuse. When I was doing the ftb mod I found the damaged grommet.

I opted for a wolverine 100w heater on my auxiliary filter and reused the plug to the ffm. Heater was about 60.

Good luck

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