If there is carbon lock(common with motors that have sat) taking plugs out and turning backward can be done. Once you turn it over backwards a couple of times you can usually marvel or any other approved goo and turn in normal direction. If you can get it to turn a few times by hand then turn to starter. If it locks again, try backing it up by hand again. And go through the procedure again. If carbon locked that will usually work. If the motor has 150+K miles could be worn out apex seal lands and worn out bearings.
Please don't use the 6-9 ft breaker bar method, you could break a perfectly good apex seal.
Quote:
Originally Posted by 85rx-7gsl-se
So just turn it with a breaker bar... Should I try turning it backwards first?
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