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M47 Question 200

posted by  Scott V on  Tue Apr 8 21:40 CST 2003
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The synchros should not be shot at "only" 180k miles. Difficulty shifting can be caused by an improperly adjusted or worn clutch that is not disengaging completely.

If you are going to replace the transmission anyway, you might want to consider a low mileage (or rebuilt) M46. The M46 benefits from superior lubrication and generally seems to be more robust than the M47. It is a four speed gearbox with an electrohydraulic Laycock de Normanville overdrive. The overdrive can be somewhat problematic, but most of its problems are electrical in nature and easily remedied. M46's should be plentiful at a salvage yard near you, and the overwhelming majority of them are still serviceable.

Remember to replace the rear main seal when you do the clutch. Also check your u-joints and center carrier bearing for play.






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