Heater bypass tube

2000 TOYOTA TUNDRA
250,000 MILES • 4.7L • V8 • 4WD • AUTOMATIC
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DAVE FOLKINS
  • MEMBER
  • 5 POSTS
When installing heater bypass tube into back of water pump is silicone needed as well as new o-ring?
Jul 3, 2019 at 11:14 AM
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KASEKENNY
  • ✓ASE Certified Mechanic
  • 18,907 POSTS
  • ASE Certified Mechanic
Hi Dave,

According to the manual you do not. Here is the installation procedure in case you need the rest of the process.

Let me know if you need anything else. Thanks
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Jul 3, 2019 at 6:22 PM
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DAVE FOLKINS
  • MEMBER
  • 5 POSTS
Thank you so much for your help and for getting back to me so quickly.
Jul 4, 2019 at 7:01 AM
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KASEKENNY
  • ✓ASE Certified Mechanic
  • 18,907 POSTS
  • ASE Certified Mechanic
You are welcome. Thanks for using 2CarPros. Come back if you have other questions. Thanks
Jul 4, 2019 at 7:33 PM
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