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Originally Posted by gmbowen
I'm installing a new injection pump on a 606. .......................... My question, is: should I simply not worry about the backlash or should I then rotate the pump again to compensate? Additionally, is the backlash a sign of something else being haywire (ie. stretched chain)?
Much thanks for any help.
Galen Bowen
1983 Toyota Landcruiser FJ-60 w/ Mercedes 606 motor/Chevy NV4500 tranny
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When the engine is running, the slack in the chain is taken up by the oil pressure against the tensioner. I have found that I can set timing by using the earlier method of 24 BTDC spill/drip, out the #1 element.
Try increasing the tension on the chain while you install the pump.
I also made my own tool to lock the pump at 15 ATDC.
After timing checks on many of these motors, my eye ball and spill timing seem to do the job in checking all is correct.
Others may disagree.....
02-11-2005, 01:19 AM
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