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91 Geo Storm gsi t belt broke

Tiny
LANCE MENKE
  • MEMBER
  • 1991 GEO STORM
  • 4 CYL
  • FWD
  • MANUAL
  • 254,000 MILES
Do the cams need to be re-timed after broken belt? Is there starting point and procedure to correctly re-time so you don't damage valves? Putting cam shaves back to correct position for belt install putting pistons into center of stroke obvious the cams. First figure out where cams are then? This is tricky/difficult part for me. Getting them there then positioning the lower assemblies pistons/ distributor ect.
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Sunday, December 12th, 2010 AT 6:17 PM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Is it SOHC or DOHC?
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Sunday, December 12th, 2010 AT 6:42 PM
Tiny
FIXITMR
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With crank/#1 piston at TDC then make cams like pic.
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Sunday, December 12th, 2010 AT 9:57 PM
Tiny
FIXITMR
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Make sure all marks are still aligned when belt is on and tight. Roll over engine twice around with a wrench back to TDC again and recheck before starting.
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Sunday, December 12th, 2010 AT 10:02 PM
Tiny
FIXITMR
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If valves interfere with pistons you should ckeck for bent valves before replacing belt.
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Sunday, December 12th, 2010 AT 10:18 PM
Tiny
RASMATAZ
  • MECHANIC
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Its an interference engine-double check the valves and pistons condition
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Sunday, December 12th, 2010 AT 10:22 PM

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