Why after just replacing my TC would it jump time as soon as the gear changed? on 2004 Chevrolet Malibu

The chain was replaced the car cranked and as I started to drive off as soon as it changed gears the car just stopped. What could it be?

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3 answers
are you sure the tensioner for chain was put on correctly
agree with goodguy
Aside from the timing chain tensioner, are you sure that the balance shafts and chain were installed correctly and timed correctly? Did the camshaft or crankshaft position sensors(s) get broken by chance? Tear down and re-inspect and line everything back up again. Pray you didn't do internal damage if anything is off.