Timing belt or timing chain? A noob question...

[rhinoculips]

I am looking into buying a Liberty and can't seem to figure out if they have a timing belt or timing chain. Whats the recommended replacement interval?

 

[Marlon_JB2]

Chain.

 

[ThunderbirdJunkie]

2.4s have a belt, CRDs have a belt, 3.7 V6s (which are the only engines in the KJ that are worth a damn ITBJHO) have a chain

 

[tjkj2002]

2.4s have a belt, CRDs have a belt, 3.7 V6s (which are the only engines in the KJ that are worth a damn ITBJHO) have 3 chains

Fixed it for you

The 3.7 has no change interval for the timing chains,the 4.7 v-8 which uses the same setup(identical stuff) have been going well over 250,000+miles with the OEM chains and it's the tensioners that need to be changed before the chains.

 

[incommando]

Reading around the net, it seems that changing your oil regularly with a quality oil is very important for tensioner longevity. This is true for most any modern engine due to the tighter tolerances. Just throwing this out.

 

[kb0nly]

3 Chains?? Ok i guess i'm space casing it here... I thought it was just two, what am i missing?

 

[ThunderbirdJunkie]

ITBJRC one goes up to a dummy cam in the block like on a GM 3.4 DOHC or an old Taurus SHO V6, then one to each cam

 

[valvestem]

Like this I believe...

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1 - RIGHT CAMSHAFT SPROCKET AND SECONDARY CHAIN 2 - SECONDARY TIMING CHAIN TENSIONER (LEFT AND RIGHT SIDE NOT COMMON) 3 - SECONDARY TENSIONER ARM 4 - LEFT CAMSHAFT SPROCKET AND SECONDARY CHAIN 5 - CHAIN GUIDE 6 - TWO PLATED LINKS ON RIGHT CAMSHAFT CHAIN 7 - PRIMARY CHAIN 8 - IDLER SPROCKET 9 - CRANKSHAFT SPROCKET 10 - PRIMARY CHAIN TENSIONER 11 - TWO PLATED LINKS ON LEFT CAMSHAFT CHAIN 12 - SECONDARY TENSIONER ARM

 

[kb0nly]

Ahh interesting... Didnt know that as i haven't looked through the engine part of the FSM yet.