Is it an interference or noninterference engine? Think timing chain has broke

Yes, I think that engine IS an interference engine. You will need to remove the cylinder head to check what damage has been done.

Well you are right in saying you have a chain and not a belt.
Engines with timing chains are almost never interference engines, and yours is not on that list.
Its probably one of the tensioners or idlers that has failed.

How-To Replace The Serpentine Belt On A Chevy Tracker ...

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www.youtube.com/watch?v=sXLTZzEZdSU
Oct 28, 2014 - Uploaded by Deo Ole
How-To Replace The Serpentine Belt On A Chevy Tracker ...2001 Chevy Tracker V6 2.5L Head Instal and Timing Chain Instal - Duration: ... XL 7 2.7L Air conditioning compressor removal and smaller belt installed - Duration:

All Chrysler engines are interference but if you have a 2.4 l with a broken timing belt just replace belt had many I fixed and didn't bend any valves . 2.7 forget it that's timing chain it will bend valves

should be noninterference engine but have seen in the past if engine was revving high enough when belt broke valves did contact pistons also these engines will sometimes have a camshaft start siezing in the head which will cause the cam pin to shear allowing sprocket to spin on the camshaft and break the timing belt

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https://www.youtube.com/watch?v=4k73S3dg5mI
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No, it is not an interference engine. It also uses a timing chain, not a belt.

as the engine is based on a gm unit you will need to take off the head,sorry.....

Interfernce is if you were running the engine and the timing chain broke.

It's has a timing belt, also it's an interference engine, if belt goes bad it will bent valve's .