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1998 Lexus GS400 Question: change timing belt the 2 camshaft turn but crankshaft don't

 

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terrill644, 4.0L V8, Baltimore, MD, May 08, 2013, 11:38
 Rookie

where is the #1 spark
plug

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  • Answer #1

    May 11, 2013, 19:38
     Master

    If the crankshaft won't turn(with plugs out would make it easier) by hand , then either the valves are hitting it ,or there is more to the story , than what we're getting. Did the belt break while running? Engine overheat or run low on oil?Where all the gear marks lined up before removal of old belt?.?????

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