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Old 01-21-2010, 02:02 PM   #1 (permalink)
chvyr606
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fuel heater ? on 93 6.5TD

ok guys heres a crazy (stupid) ? Got a leak on the fuel heater on my 93 6.5td. Was just wondering if this thing is necessary here in Louisiana. Very seldom get (cold 32&below) and the only time I use this truck is during softball season hauling my brothers team's equipment to all there away games. I was wondering if I could just JB weld it all up and call it a day. Redneck fix I know but stealer wants $192 for a new one and the parts stores don't carry them. Any Ideas would be greatly appreciated.
Adam
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#1) 2004 chevy 2500HD LT ccsb, pushin 240K miles, turbo intake mod, ppe boost valve, all on headlight mod, billet grill, B&W hitch, high idle mod, airdogII 165 (alligator performance), DSP5 tuned ecm, edge insight cts (nick).
#2) 1993 gmc 3500 dually 6.5L TD pushin 300K miles, custom flame paint, slammed(bagged front & rear), York belt driven compressor, alcoa alum wheels, 94 grill & lights, custom gooseneck, 3"down pipe w/5"straight exhaust.
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Old 01-21-2010, 02:05 PM   #2 (permalink)
Green Machine
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If the fuel heater is just leaking around the outside it is most likely a leaky o-ring. I had that on my truck last summer. Just buy a new o-ring and you should be good to go (as long as it IS the o-ring that is bad/leaking).
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Old 01-21-2010, 02:14 PM   #3 (permalink)
4doorTAHOE6.5TD
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The fuel heater is required. The fuel is heated to 158 degrees so the viscocity is consistent. Cold fuel is not compatable with the IP.Get the new heater part & seal from the dealer or AC delco WD. I did one ,parts cost was low.
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Old 01-21-2010, 10:37 PM   #4 (permalink)
Torque454
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The fuel heater hasn't worked on my truck in who knows how long. I didn't even plug it back in when I had the fuel manager off last time. No problems here. Started just fine when it was in the negatives a while back.
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1996 Chevy Suburban C1500 (2wd) 6.5L "F" 300k miles. Factory 11g glow plugs, New injectors at 259k. 3.42/G80 Axle New IP July 2012

All stock except the gutted catalytic converter and home made turbo master.

2010 GMC Sierra 1500 SLE Ext Cab Reg Bed 2wd 5.3 6L80E 3.08/G80 Axle. Only 53k miles.

1980 Volvo 265 GLE with 4.3 Chevy V6 and 700r4 Transmission 3.54 Dana 30 Axle

1974 Ford Pinto with 91 Mustang 2.3 MAF EFI DIS engine and stock 4 speed transmission 8" Ford Axle 3.00 Ratio
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Old 01-22-2010, 02:09 AM   #5 (permalink)
4doorTAHOE6.5TD
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The fuel needs to be heated . STANADYNE/G/M wouldn't have designed the heater as an integral part of the IP if it wasn't needed!!
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97 Cheyenne C 2500 6.5 TD 8600GVW/ 5 spd 3.73, G80. Cruise,Tilt, Rare Radio & Cassette option that plays simultaneously .Rhino Liner & 265 / 75 Michelin LTX/MS on PYO alloys. HEATH PMD & Turbo Master ,& Exhaust system. Coming up a low production y2k GMC 3500 ext cab,short bed pick up, " Denali Diesel "!!!
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Old 01-22-2010, 02:23 AM   #6 (permalink)
Green Machine
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Quote:
Originally Posted by 4doorTAHOE6.5TD View Post
The fuel needs to be heated . STANADYNE/G/M wouldn't have designed the heater as an integral part of the IP if it wasn't needed!!
The fuel heater isn't part of the IP... But I'm sure thats just a typo lol. The heater is probably just to help with gelling of fuel in the filter area in colder climates. It most likely does NOT run the entire time etc... After the truck has been running for a while the fuel heats up anyways, due to the fuel returning to the tank after going through IP. It most likely won't hurt the engine/IP if the fuel heater is not hooked up or doesn't work, especially being in a southern state.

And use that excuse for why GM put the FSD on the IP... Sure... fuel cools it, to a point... but its in the middle of the engine.. heat soaked when the engine is off (no fuel flowing through IP). Just how I see it lol.
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Last edited by Green Machine; 01-22-2010 at 02:24 AM.
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Old 01-22-2010, 03:17 AM   #7 (permalink)
chvyr606
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ok guys I managed to get off the motorcycle long enough to take the filter assy out. tried a new o-ring but still leaked. seems to be coming from the plastic ring that holds it on(bottom of assy). Looks like the ring is made onto the heater but is able to spin to tighten. LOL this truck is startin to drive me to drink. Fix one thing just to find another. guess its a good thing I work on trucks for a hobby
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#1) 2004 chevy 2500HD LT ccsb, pushin 240K miles, turbo intake mod, ppe boost valve, all on headlight mod, billet grill, B&W hitch, high idle mod, airdogII 165 (alligator performance), DSP5 tuned ecm, edge insight cts (nick).
#2) 1993 gmc 3500 dually 6.5L TD pushin 300K miles, custom flame paint, slammed(bagged front & rear), York belt driven compressor, alcoa alum wheels, 94 grill & lights, custom gooseneck, 3"down pipe w/5"straight exhaust.
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Old 01-22-2010, 11:36 PM   #8 (permalink)
tigert
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I mounted the filter assy on 2- 1/2" aluminum pipes 6" long with 7"-15mm bolts, now can see/feel for fuel leaks my heater was weeping out of the heater wires. bought new heater off one of the vendors here for $90.00. later found a whole filter assy for $140.00
I did have to change the hoses to make every thing fit, and now with clear vinal and fuel pressure gauge it eliminates most of the common problems. PS I actually droped the filter into a 5 gallon bucket and pressurized to 15 psi and vacumned it to 20 inches to be sure. That was 5 k ago, so far so good. Good Luck
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Old 02-01-2010, 12:36 AM   #9 (permalink)
chvyr606
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Again thanks for all the info guys. I plan on takin the assy back out tommorow and playin with it again. My brother just called and said they have a tournament in Shrevport Feb 19-20 so I need to figure something out quick. LOL
Oh yeah does anyone know the AC Delco # for the fuel heater ? guys at the local parts house can't find anything.
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#1) 2004 chevy 2500HD LT ccsb, pushin 240K miles, turbo intake mod, ppe boost valve, all on headlight mod, billet grill, B&W hitch, high idle mod, airdogII 165 (alligator performance), DSP5 tuned ecm, edge insight cts (nick).
#2) 1993 gmc 3500 dually 6.5L TD pushin 300K miles, custom flame paint, slammed(bagged front & rear), York belt driven compressor, alcoa alum wheels, 94 grill & lights, custom gooseneck, 3"down pipe w/5"straight exhaust.

Last edited by chvyr606; 02-01-2010 at 12:38 AM. Reason: forgot to ask about part #
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Old 02-01-2010, 12:49 AM   #10 (permalink)
Torque454
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its about $200. Its really not needed. I cant justify spending $200 on it.
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1996 Chevy Suburban C1500 (2wd) 6.5L "F" 300k miles. Factory 11g glow plugs, New injectors at 259k. 3.42/G80 Axle New IP July 2012

All stock except the gutted catalytic converter and home made turbo master.

2010 GMC Sierra 1500 SLE Ext Cab Reg Bed 2wd 5.3 6L80E 3.08/G80 Axle. Only 53k miles.

1980 Volvo 265 GLE with 4.3 Chevy V6 and 700r4 Transmission 3.54 Dana 30 Axle

1974 Ford Pinto with 91 Mustang 2.3 MAF EFI DIS engine and stock 4 speed transmission 8" Ford Axle 3.00 Ratio
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