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11-19-2012, 09:51 PM
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#1 (permalink) |
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Diesel Specialist
Join Date: Mar 2009
Location: Ontario Canada
Posts: 692
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Ontario Diesel Place Chapter Member Old School Oil Burners (Old SOBs) Member |
Cold Lower Rad Hose??
Hi All,
I replaced my block heater today on my 94 6.5, wasn't able to drain the rad so I did it the hard way, I drained the coolant from the block heater hole. I lost about 16L of coolant, I refilled it at the rad because it was empty, started up the truck up, it took for ever to get the top hose warm, but the reservoir never went down or looked to be circulating. The Temp was 85 to 90 degrees celsius so no over heating but the lower rad hose was cold as was the hose from the rad to the reservoir. Is this normal, the water pump was changed last spring to my knowledge
__________________
 1991 GMC Sierra 1500 SL 1/2 Ton Regular Cab, Long Box, 6.2L C-Code Detroit Diesel, 700R4 Transmission, Rear Wheel Drive, 1`000`000 Km & Counting All Original  My Garage 1991 GMC Sierra 2500 SL 3/4 Ton Regular Cab, Long Box, 6.2L J-Code Detroit Diesel, 4L80E Transmission, 4X4, 556`000KM 1994 GMC Sierra 3500 SLE 1 Ton Crew Cab, Long Box, Dually, 6.5L F-Code Detroit Turbo Diesel, 4L80E Transmission, 4X4, 383`000KM 1988 GMC Sierra 1500 SL 1/2 Ton Extended Cab, Long Box, 5.0L H Code, TH400 (3L80) Transmission, Rear Wheel Drive, 306`000Km & Counting 1991 GMC Sierra 1500 SL 1/2 Ton Regular Cab, Long Box, 5.7L, 700R4 Transmission, Rear Wheel Drive, 255`000KM Proud Member # 992 Of The 3500 Dually Club, # 40 Of The Old SOBs, # 117 The Regular Cab Club, Member Of The ODPC Proud Fan Of The Montreal Canadiens
Last edited by JLanzino; 11-19-2012 at 09:55 PM. |
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11-19-2012, 09:54 PM
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#2 (permalink) |
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6.5TD Post Addict
 
Join Date: Jul 2010
Location: Scugog Island Ontario Canada
Posts: 7,879
iTrader Score: 0 reviews
Ontario Diesel Place Chapter Member Old School Oil Burners (Old SOBs) Member |
Takes quite a while for the lower rad to get hot from an idling engine and a stat that is only opening occasionally.
__________________
96 Chevy C3500 Dually 6.5TD F Engine 4.11 Rear/5 Speed Relocated PMD/Heatsink to Front Bumper #9 Resistor K-47 Standard Duty AC Air Filter And K-47 Housing Kennedy special calibration fan clutch/Kennedy 20" steel fan PMD Cable oil cooler kit Diamond Eye 4" turbo back exhaust 2 1/2" crossover High Idle Mod Feed The Beast 2.0 EGT,Boost gauges Diagnostic Checklist 2.0 OBD1 Codes OBD2 Codes 6.5 FAQ Carcode & TDCO Instructions |
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11-19-2012, 10:13 PM
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#3 (permalink) |
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Diesel Specialist
Join Date: Mar 2009
Location: Ontario Canada
Posts: 692
iTrader Score: 0 reviews
Ontario Diesel Place Chapter Member Old School Oil Burners (Old SOBs) Member |
So should I worry or just move on with life? Figuratively speaking
__________________
1991 GMC Sierra 1500 SL 1/2 Ton Regular Cab, Long Box, 6.2L C-Code Detroit Diesel, 700R4 Transmission, Rear Wheel Drive, 1`000`000 Km & Counting All Original My Garage 1991 GMC Sierra 2500 SL 3/4 Ton Regular Cab, Long Box, 6.2L J-Code Detroit Diesel, 4L80E Transmission, 4X4, 556`000KM 1994 GMC Sierra 3500 SLE 1 Ton Crew Cab, Long Box, Dually, 6.5L F-Code Detroit Turbo Diesel, 4L80E Transmission, 4X4, 383`000KM 1988 GMC Sierra 1500 SL 1/2 Ton Extended Cab, Long Box, 5.0L H Code, TH400 (3L80) Transmission, Rear Wheel Drive, 306`000Km & Counting 1991 GMC Sierra 1500 SL 1/2 Ton Regular Cab, Long Box, 5.7L, 700R4 Transmission, Rear Wheel Drive, 255`000KM Proud Member # 992 Of The 3500 Dually Club, # 40 Of The Old SOBs, # 117 The Regular Cab Club, Member Of The ODPC Proud Fan Of The Montreal Canadiens
Last edited by JLanzino; 11-19-2012 at 10:17 PM. |
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11-19-2012, 10:55 PM
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#4 (permalink) |
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6.5TD Post Addict
Join Date: Jul 2010
Location: Scugog Island Ontario Canada
Posts: 7,879
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Ontario Diesel Place Chapter Member Old School Oil Burners (Old SOBs) Member |
Make sure all the air is bled from the cooling system and drive it keeping an eye on the temp gauge,if it's working properly it will let you know of a problem.
Getting all the air out is the most important thing,the gauge sending units are meant to be enveloped in coolant-they won't work if there is an air pocket around them so they can't warn you of a problem.
__________________
96 Chevy C3500 Dually 6.5TD F Engine 4.11 Rear/5 Speed Relocated PMD/Heatsink to Front Bumper #9 Resistor K-47 Standard Duty AC Air Filter And K-47 Housing Kennedy special calibration fan clutch/Kennedy 20" steel fan PMD Cable oil cooler kit Diamond Eye 4" turbo back exhaust 2 1/2" crossover High Idle Mod Feed The Beast 2.0 EGT,Boost gauges Diagnostic Checklist 2.0 OBD1 Codes OBD2 Codes 6.5 FAQ Carcode & TDCO Instructions Last edited by racer55; 11-19-2012 at 10:55 PM. |
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11-19-2012, 11:02 PM
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#5 (permalink) |
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Diesel Specialist
Join Date: Mar 2009
Location: Ontario Canada
Posts: 692
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Ontario Diesel Place Chapter Member Old School Oil Burners (Old SOBs) Member |
what is the best way to bleed out all the air?
__________________
1991 GMC Sierra 1500 SL 1/2 Ton Regular Cab, Long Box, 6.2L C-Code Detroit Diesel, 700R4 Transmission, Rear Wheel Drive, 1`000`000 Km & Counting All Original My Garage 1991 GMC Sierra 2500 SL 3/4 Ton Regular Cab, Long Box, 6.2L J-Code Detroit Diesel, 4L80E Transmission, 4X4, 556`000KM 1994 GMC Sierra 3500 SLE 1 Ton Crew Cab, Long Box, Dually, 6.5L F-Code Detroit Turbo Diesel, 4L80E Transmission, 4X4, 383`000KM 1988 GMC Sierra 1500 SL 1/2 Ton Extended Cab, Long Box, 5.0L H Code, TH400 (3L80) Transmission, Rear Wheel Drive, 306`000Km & Counting 1991 GMC Sierra 1500 SL 1/2 Ton Regular Cab, Long Box, 5.7L, 700R4 Transmission, Rear Wheel Drive, 255`000KM Proud Member # 992 Of The 3500 Dually Club, # 40 Of The Old SOBs, # 117 The Regular Cab Club, Member Of The ODPC Proud Fan Of The Montreal Canadiens
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11-19-2012, 11:07 PM
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#6 (permalink) |
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6.5TD Post Addict
Join Date: Jul 2010
Location: Scugog Island Ontario Canada
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Ontario Diesel Place Chapter Member Old School Oil Burners (Old SOBs) Member |
Open the bleed valve by the t-stat until coolant flows with the engine running,also leave the rad cap off until the stat opens and the upper hose gets hot and you can feel flow in the hose is how I do it.
__________________
96 Chevy C3500 Dually 6.5TD F Engine 4.11 Rear/5 Speed Relocated PMD/Heatsink to Front Bumper #9 Resistor K-47 Standard Duty AC Air Filter And K-47 Housing Kennedy special calibration fan clutch/Kennedy 20" steel fan PMD Cable oil cooler kit Diamond Eye 4" turbo back exhaust 2 1/2" crossover High Idle Mod Feed The Beast 2.0 EGT,Boost gauges Diagnostic Checklist 2.0 OBD1 Codes OBD2 Codes 6.5 FAQ Carcode & TDCO Instructions |
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11-20-2012, 07:14 PM
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#7 (permalink) |
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Diesel Specialist
Join Date: Mar 2009
Location: Ontario Canada
Posts: 692
iTrader Score: 0 reviews
Ontario Diesel Place Chapter Member Old School Oil Burners (Old SOBs) Member |
Worked Perfect racer55, Thank you sir
__________________
1991 GMC Sierra 1500 SL 1/2 Ton Regular Cab, Long Box, 6.2L C-Code Detroit Diesel, 700R4 Transmission, Rear Wheel Drive, 1`000`000 Km & Counting All Original My Garage 1991 GMC Sierra 2500 SL 3/4 Ton Regular Cab, Long Box, 6.2L J-Code Detroit Diesel, 4L80E Transmission, 4X4, 556`000KM 1994 GMC Sierra 3500 SLE 1 Ton Crew Cab, Long Box, Dually, 6.5L F-Code Detroit Turbo Diesel, 4L80E Transmission, 4X4, 383`000KM 1988 GMC Sierra 1500 SL 1/2 Ton Extended Cab, Long Box, 5.0L H Code, TH400 (3L80) Transmission, Rear Wheel Drive, 306`000Km & Counting 1991 GMC Sierra 1500 SL 1/2 Ton Regular Cab, Long Box, 5.7L, 700R4 Transmission, Rear Wheel Drive, 255`000KM Proud Member # 992 Of The 3500 Dually Club, # 40 Of The Old SOBs, # 117 The Regular Cab Club, Member Of The ODPC Proud Fan Of The Montreal Canadiens
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11-20-2012, 07:21 PM
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#8 (permalink) |
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6.5TD Post Addict
Join Date: Jul 2010
Location: Scugog Island Ontario Canada
Posts: 7,879
iTrader Score: 0 reviews
Ontario Diesel Place Chapter Member Old School Oil Burners (Old SOBs) Member |
No more strange temp readings?
__________________
96 Chevy C3500 Dually 6.5TD F Engine 4.11 Rear/5 Speed Relocated PMD/Heatsink to Front Bumper #9 Resistor K-47 Standard Duty AC Air Filter And K-47 Housing Kennedy special calibration fan clutch/Kennedy 20" steel fan PMD Cable oil cooler kit Diamond Eye 4" turbo back exhaust 2 1/2" crossover High Idle Mod Feed The Beast 2.0 EGT,Boost gauges Diagnostic Checklist 2.0 OBD1 Codes OBD2 Codes 6.5 FAQ Carcode & TDCO Instructions |
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11-20-2012, 10:32 PM
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#9 (permalink) | |
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Diesel Specialist
Join Date: Aug 2010
Location: Cranbrook,bc
Posts: 844
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Quote:
im interested in this verdict as well
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1995 Chevy 2500 6.5l Turbo Diesel w/ intake restrictions removed . Diamond eye 4" exhaust straight piped, HX40W-II turbo with a K&N 4" pod ( temporary), ARP head studs & new heads, injectors w/ pop @ 2300 psi, Buddy "3" banger chip, VIN F, Currently running 20# boost |
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11-20-2012, 10:42 PM
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#10 (permalink) |
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Diesel Master
Join Date: Aug 2011
Location: Wahnapitae, Ontario, Canada
Posts: 1,150
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I usually go for a ride with rad cap loose to make sure
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1994 GMC 1500 HD Z71 4x4 ext cab 6.5L TD,3.73 GEAR RATIO LIMITED SLIP POSITRACTION  ,4L80-E 4-SPD Lubrication Specialists oil lines,Transmission lines replaced with Hydraulic lines,pmd mounted on heat sink in bumper home made wiring harness all soldered greased and shrink tubed,gutted intake,tcc mod,380000kmsegr blocked off with intake gaskets,New heads May 2012,ARP head studs,2 1/2" cross over 3" down pipe 4" straight pipe  1998 k2500 Z71 ext cab 6.5 TD,stock exhaust,muffler delete soot trap gutted,4:10 gears,grey standyne pmd in front bumper,312000km,Lubrication Specialists oil lines,trannytemp,boost,EGT,fuel pressure gauges |
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