New harmonic balancer, no start?

Tiny
KPOCALYPSE
  • MEMBER
  • 1999 NISSAN SENTRA
  • 1.6L
  • 4 CYL
  • 2WD
  • MANUAL
  • 200,000 MILES
Hello, I have recently changed my harmonic balancer, along with the idler pulley and both serpentine belts. My vehicle is timing chain and I did not remove anything for that area. My harmonic balancer broke after 22 years. It sat for 3 weeks before I could get to it. Today 7/31/2022, I replaced it and now with won't start. It turns as if it wants to but, no start. What could it be?
Sunday, July 31st, 2022 AT 4:30 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
It could have jumped time when the job was being done, but to be sure let's remove two spark plugs and do a compression test, which will tell us what's going on. These guides can help us find out what's wrong:

https://www.2carpros.com/articles/how-to-test-engine-compression

and

https://www.2carpros.com/articles/car-not-running-advanced

Can you please shoot a quick video with your phone so I can hear the engine crank over? That way I can tell for sure what's going on. You can upload it here with your response.
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Monday, August 1st, 2022 AT 11:08 AM

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