4.0 IL6 Valve Lash adjustment?

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Jul 29, 2010 | 05:49 PM

always89

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Joined: Mar 2010

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Model: Cherokee

4.0 IL6 Valve Lash adjustment?

Is the valve lash on the 4.0 IL6 adjustable? If so, what are the specs?

Jul 29, 2010 | 05:57 PM

ol"blue

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Joined: Mar 2009

Posts: 28,068

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From: Tenn. and Mich.

Year: 2004

Model: Grand Cherokee

Engine: 4.7L V8

Quote:

Originally Posted by always89

Is the valve lash on the 4.0 IL6 adjustable? If so, what are the specs?

According to my manual it's not adjustable.

Jul 29, 2010 | 06:58 PM

4jeepers

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Joined: Dec 2009

Posts: 224

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From: Southern California

Year: 1988

Model: Cherokee

Engine: 4.0

There isn't any adjustment. If there is any looseness in the rocker arm or arms it usually means that your lifters are collapsed!

Jul 29, 2010 | 07:44 PM

djb383

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Joined: Nov 2009

Posts: 8,172

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From: The Republic of TEXAS

Year: 1998

Model: Cherokee

Engine: 4.0L HO

There is an initial rocker arm settinig/adjustment, per the FSM. Usually, a hydraulic valve train does not need periodic adjustment, after the initial setting, but it's not unheard of either.

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