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- - New knock noise (https://www.ranger-forums.com/4-0l-ohv-sohc-v6-tech-33/new-knock-noise-172998/)

Bstoehr

08-20-2023 07:08 AM

New knock noise

1 Attachment(s)

I zoomed past someone on the highway last night and got a new noise. Any guesses befour I troubleshoot.

Georgeandkira

08-21-2023 06:37 PM

First thing: Exhaust leak
How many miles on your...what, later 4.0sohc?
Maybe a weird, popped, hissing PCV valve/pipe, or some such.
Something caught in the vibration damper? ...plastic bag in the fan shroud?
The oddest rattle in the world? Do chain tensioner cassettes break under stress?

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