Should I replace both heads or can I just replace the driver's side?

Tiny
NITRO170
  • MEMBER
  • 2007 FORD F-150
  • 4.6L
  • V8
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
Hello, I am working on the truck listed above with a 4.6 SOHC. What I am wondering is when I change the driver's side head would it be okay to not change the passenger side or would it be better to change both heads. I am replacing with remanufactured heads
Monday, August 26th, 2024 AT 2:04 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 51,782 POSTS
At 150,000 I would replace both cylinder heads, this will save you in the long run because intake and exhaust valves can leak causing issues. Let us know if you need anything else.
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Monday, August 26th, 2024 AT 6:20 PM
Tiny
NITRO170
  • MEMBER
  • 2 POSTS
Thank you for taking time to answer my question. I will change both heads!
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Monday, August 26th, 2024 AT 6:56 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 51,782 POSTS
You are welcome, please use 2CarPros anytime we are here to help.
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Tuesday, August 27th, 2024 AT 9:12 AM

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