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1Gen-TundraGeneral discussion forum for the 2000 to 2006 Toyota Tundra.
This is a discussion thread titled "Replacing Coolant Hoses", within the 1Gen-Tundra forum, part of the Truck Forums category.
My truck is now 5 years old so as a preventative measure I am replacing all hoses that carry coolant. I have the 4.7L. There is a small hose that runs to the throtle body and then a U shaped hose that runs from the top to bottom of the TB. Does anyone know if both these hoses are for coolant? I can't find the U shaped one on the parts list I am using.
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03 Stratosphere Mica Stepside, 4.7 L, Supercharger, TRD Package, TRD Exhaust,
Scion Head Unit 08600-21802,
Custom leather heated seats 2 tone with TRD LOGO, Moonroof, ARE LID, ZR3 Laser Shifter, Nav system, Denso IK22 .4mm Iridium Plugs, Scan Gauge 2,
Rhino Line, 5.7 Killer
If the hose is running into the top of the Throttle body 10-1 it is a vacuum hose but to check just pull it off and see if the inner part of the hose is wet.
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2005 Tundra Dbl Cab Desert Sand
20" BBS Rims, Flowmaster 50 Series Cat Back Dual Exhaust, Airaid Cold Air Intake, Airaid Throttle Body Spacer, Alpine InDash Navigation, Alpine 1000 Mono Block Amp, JL Stealth Box, ARE Fiberglass Topper. MORE TO COME AS THINGS ARE RELEASED!
I would settle for upper and lower Radiator hoses and Thermostat, only others i know of are on the oil filter cooler and i would not mess with them unless they were leaking! I will do a search and see if i can come up with the 2 you were talking about? The heater hoses can also be replaced i think! I will explore!
pdf explains how to drain block and use no water to drain block, and use only specd Toyota Coolant that is in you owners manual.
If your coolant is 5 years old it's time to change and Dealership has a pre-mix 50-50 Super Long Life that ya should use!
I would settle for upper and lower Radiator hoses and Thermostat, only others i know of are on the oil filter cooler and i would not mess with them unless they were leaking! I will do a search and see if i can come up with the 2 you were talking about? The heater hoses can also be replaced i think! I will explore!
pdf explains how to drain block and use no water to drain block, and use only specd Toyota Coolant that is in you owners manual.
If your coolant is 5 years old it's time to change and Dealership has a pre-mix 50-50 Super Long Life that ya should use!
Thanks for the information. I can't seem to find the heater hoses in the parts list either. I order over the internet and pick up at Toyota of Dallas to save money. I asked them to include all hoses that carry coolant so hopefully they will find what I missed.
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03 Stratosphere Mica Stepside, 4.7 L, Supercharger, TRD Package, TRD Exhaust,
Scion Head Unit 08600-21802,
Custom leather heated seats 2 tone with TRD LOGO, Moonroof, ARE LID, ZR3 Laser Shifter, Nav system, Denso IK22 .4mm Iridium Plugs, Scan Gauge 2,
Rhino Line, 5.7 Killer
The "U" hose on the TB is a coolant hose to warm the TB and keep it from freezing up. Some guys bypass this hose to get a cooler air charge...not a good idea as the TB could freeze up.
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Replacing Coolant Hoses
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