Valve knock
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4th Gear
Joined: Feb 2024
Posts: 4
Likes: 1
From: UT
Valve knock
I have a small valve knock on the passenger side of the engine and i was wondering if yall would know how to fix it. the truck runs great otherwise and hasnt thrown any error codes. But i wanna set valve clearance on the engine anyway. Do yall have the specs? I already have all the torque specs in the world i could need, i just need valve clearance specs and if yall have any other suggestions let me know.
Hotshot
Joined: Jul 2020
Posts: 10,349
Likes: 2,588
From: Near Salt Lake City
You have what are called positive stop rockers or otherwise non-adjustable valves
If a 5.4 , you have HLAs under the rockers
Either type is not adjustable with a conventional feeler gauge
The HLA takes up the slack
If a conventional pushrod motor, you might have a flat cam lobe or a sticking or plugged up lifter
Saying what you are driving is a good first step
If a 5.4 , you have HLAs under the rockers
Either type is not adjustable with a conventional feeler gauge
The HLA takes up the slack
If a conventional pushrod motor, you might have a flat cam lobe or a sticking or plugged up lifter
Saying what you are driving is a good first step
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