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02-17-2013, 02:03 AM
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#1 |
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Registered User
Join Date: May 2009
Location: Kokomo, Indiana
Posts: 79
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New 5.3 no heat
Recently blew the original 5.3 in my 2000 z71 due to sludge. I recently had a new motor put back in and now i have no heat. I am 2 hours away from the mechanic that did the work so i don't want to drive down there if i can fix it myself. I believe that i have air in the cooling system and was wanting to know how i can purge or bleed this system.
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1972 K20 lwb 2000 Z71 x-cab 1970 ford f100 |
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02-17-2013, 09:41 AM
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#2 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,217
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Re: New 5.3 no heat
Did he install a thermostat?
Posted via Mobile Device
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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02-17-2013, 02:09 PM
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#3 |
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Registered User
Join Date: May 2009
Location: Kokomo, Indiana
Posts: 79
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Re: New 5.3 no heat
I installed one when i noticed i had no heat. Its a cheap duralast tho
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1972 K20 lwb 2000 Z71 x-cab 1970 ford f100 |
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02-17-2013, 04:59 PM
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#4 |
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Senior Member
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,217
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Re: New 5.3 no heat
the way i bleed the sytem is to leave the cap off and turn the heat on full blast and run the truck about 2k rpms untill the heat blows hot and the temp is normal on the gauge
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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02-17-2013, 04:59 PM
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#5 |
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Senior Member
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,217
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Re: New 5.3 no heat
be sure to keep the coolant toped off during this
__________________
David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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02-17-2013, 05:07 PM
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#6 |
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Registered User
Join Date: May 2009
Location: Kokomo, Indiana
Posts: 79
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Re: New 5.3 no heat
Thanks alot truckdude!
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1972 K20 lwb 2000 Z71 x-cab 1970 ford f100 |
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03-02-2013, 10:24 AM
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#7 |
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Registered User
Join Date: Nov 2012
Location: Earth
Posts: 337
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Re: New 5.3 no heat
Thanks for the good information.
Posted via Mobile Device |
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03-02-2013, 02:20 PM
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#8 |
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Senior Member
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,217
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Re: New 5.3 no heat
Did that work?
__________________
David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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03-02-2013, 02:42 PM
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#9 |
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Registered User
Join Date: May 2012
Location: murfreesboro, TN
Posts: 743
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Re: New 5.3 no heat
some times the 5.3 are very stubborn thats why we vacume fill at the dealer
sometimes if you just fill the overflow and hop on the freeway it will suck it down into the engine. sometimes dangerouse to the engine but works
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 "its not a hobby, It's a Lifestyle". bagged and soon to be bodied 70 longbed http://67-72chevytrucks.com/vboard/s...d.php?t=564028 |
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03-02-2013, 05:41 PM
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#10 |
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Hittin E-Z Street on Mud Tires
 
Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Re: New 5.3 no heat
I can't add to your heat issue, but would you mind divulging what the engine cost (and where it came from) and how much the swap was?
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Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride  American Born, Country by the Grace of God  1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! |
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03-03-2013, 12:08 AM
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#11 |
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Vintage 4x4s
Join Date: Sep 2010
Location: Prior Lake, MN
Posts: 4,305
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Re: New 5.3 no heat
Curious how you developed sludge. Short trips and what brand of oil?
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67 GMC K1500 Custom- 305V6 SM420, PTO, Ram Assist, yellow (the outcast) (project period correct upgrades) 67 GMC C2500 351V6 TH400, AC, PS, PB (can't decide what to do with. Update, decided to keep and will restore  )86 CHV K30 502 th400, apple red NEW 71 CHV K20 350 SM465, ochre (saved work truck) 71 CHV K20 292 SM465, white, tach, PTO, (future project) 72 CHV K20 350 350th, medium blue (project stocker) 01 CHV K2500hd crew, indigo blue ^3 dont run and the others don't see winter either '86 K30 Cummins "Fireside" thread: http://67-72chevytrucks.com/vboard/s...d.php?t=649649 '71 K20 "get driveable" thread: http://67-72chevytrucks.com/vboard/s...d.php?t=590642 '72 K20 Build Thread: http://67-72chevytrucks.com/vboard/s...=493477&page=6 |
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