Re: M backfires won't start! HELP!

Posted by Janicholson on January 07, 2007 at 18:50:50 from (66.173.50.22):

In Reply to: Re: M backfires won't start! HELP! posted by granger on January 07, 2007 at 14:16:49:

If gears messed up in the fromt engine cover, they can affect operation (usually do). I would put the engine at TDC on Number one cyl (front). Do this by pulling the sparkplugs from that cyl and while it is cranked (by hand preferably) place your thumb, or a cork in the cylinder when it is on compression, it will blow your thumb out. Then watch the timing marks as stated below, to get it at TDC. Then pull the cap and look at the rotor. It should point to the #1 plug terminal inside the cap. If it does not, or if it is way hard to get it to TDC by the compression with thumb idea above, I would suggest it has broken parts in the timing gears. Do not try to start it or run it or pull it to get it going until these things are checked for sure. (sevier dammage can be created where minor damage is located now. As stated below, it is mandatory to have a working relief valve on the system. Hoses will split, castings will break, and danger is likely. If your M is factory Hydraulic, it is equipped (may not be working) if it is put together by others it may be missing the bypass pressure relief. Good luck, JimN

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