Maintenance and Upkeep Discussion HHR maintenance tips ranging from oil change intervals to brake pads and everything in between.

Timing mark- intake or power stroke at TDC?

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Old Feb 19, 2017 | 12:45 PM
  #11  
RJ_RS_SS_350's Avatar
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Originally Posted by Dasstrum
OK thanks I thought so too. I just picked up the plastic timing chain guide (it was broken in 3 pieces ...wow!) About to put everything back together. Wish me luck!
Old Feb 19, 2017 | 12:48 PM
  #12  
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Originally Posted by donbrew
Which part is different? I have seen a 2.4 illustration with the cam marks at really odd spots.
hmmm hope not... this is a 2.4
Old Feb 19, 2017 | 01:12 PM
  #13  
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Have a look at the full video


Old Feb 19, 2017 | 01:19 PM
  #14  
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Okay, I understand now!

Line up the marks, don't worry about the clock, as long as the actuator clicks in.
Old Feb 19, 2017 | 01:43 PM
  #15  
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That's the secret, timing marks must line up, it's not the stroke the piston is in it's the position the crankshaft is in!
Mine was off one tooth and it started and ran but P0016 code came on immediately!
So, it's line up the crank sprocket, twelve o'clock for the key way, five o'clock for the little chain position dot, with the #1 piston at TDC, then line up the intake diamond at two o'clock to the special link, then hold the intake cam firm and line up the exhaust cam to its triangle mark and its link , do not move that intake cam clockwise!! Push it gently counter clockwise till the exhaust cam sprocket lines up then get that cam bolt tightened up!
DO NOT ! Move the timing chain whilst torquing the cam gear bolts! Hold the cam with the 24 mm or 15/16 wrench!!
Old Feb 19, 2017 | 01:44 PM
  #16  
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That really is a great video, thanks for posting Steve! That should take any head scratching out of the process!
Old Feb 19, 2017 | 01:45 PM
  #17  
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AND, do not turn the crankshaft counter clockwise ever!
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