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Balance shafts

Tiny
JACK SMITH2
  • MEMBER
  • 2000 CHEVROLET CAVALIER
  • 216,000 MILES
I have another question about these balance shafts. What it the proper way of timing them with the crank? I have read the book I am unsure about steps 20 and 21.
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Friday, February 17th, 2017 AT 11:29 AM

10 Replies

Tiny
JACK SMITH2
  • MEMBER
  • 7 POSTS
  • 2001 CHEVROLET CAVALIER
  • 2.4L
  • 4 CYL
  • 2WD
  • MANUAL
  • 140,000 MILES
There is no information about the oil pick up anywhere on the internet and the book I found one picture of it, but I need the sprocket bolt torque specs.
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Friday, February 17th, 2017 AT 11:43 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If you mean the balance shaft sprocket bolt like in picture, it is 30 ft. Lbs plus another forty five degrees.
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Friday, February 17th, 2017 AT 11:43 AM (Merged)
Tiny
JACK SMITH2
  • MEMBER
  • 7 POSTS
So the little chain sprocket there in the picture is 30 ft lbs? That is a balance shaft?
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Friday, February 17th, 2017 AT 11:43 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
From what I can tell it is. That is also a left hand bolt and must be replaced instead of tightening old one up. See picture.
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Friday, February 17th, 2017 AT 11:43 AM (Merged)
Tiny
JACK SMITH2
  • MEMBER
  • 7 POSTS
Thanks so much. Um one more question, if I am 100% rebuilding this engine is there anything that needs to be replaced inside the balance shaft housing?
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Friday, February 17th, 2017 AT 11:43 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Not really as it is mostly in oil anyhow bearings maybe but you may not be able to redo them and it may be sold as a unit.
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Friday, February 17th, 2017 AT 11:43 AM (Merged)
Tiny
JACK SMITH2
  • MEMBER
  • 7 POSTS
Thank you very much.
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Friday, February 17th, 2017 AT 11:44 AM (Merged)
Tiny
JACK SMITH2
  • MEMBER
  • 7 POSTS
Found this if anyone ever needs it.
https://www.carid.com/2001-chevy-cavalier-engine-parts/sealed-power-balance-shaft-bearing-38551246.html
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Friday, February 17th, 2017 AT 11:44 AM (Merged)
Tiny
RENEE L
  • ADMIN
  • 1,260 POSTS
Jack, thank you for the parts link.

Renee
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Friday, February 17th, 2017 AT 11:44 AM (Merged)
Tiny
JACK SMITH2
  • MEMBER
  • 7 POSTS
Um no one gona help me with my second question it just merged with my old question
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Saturday, February 18th, 2017 AT 9:28 AM

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