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Crankshaft Position Sensor - Importance of Spacer


Shifting Up
As my 4.6 Auto continues to misfire at about 2000 revs, I have been slowly eliminating various potential causes. Today I removed the crankshaft position sensor to check if it was damaged and was surprised to see 2 obviously home made washers acting as spacers to offset the CKP sensor body from the bell housing adaptor plate.

This was even more surprising as the CKP sensor had been replaced by a main dealer last year.

On reading the manual it states - "caution 4.6 Auto models have a CKP spacer which must be fitted". Unfortunately there isnt a diagram showing the spacer (the diagram also fails to show the bracket which secures my CKP to the sump - I take it this can only be fitted one way and isnt the spacer) and a couple of calls to parts departments havent shown one on their parts schematics.

Does anyone know what this spacer looks like/ has a diagram, or its correct thickness - is it a paper gasket type or a plastic part? I guess this is probably a part which comes with a new CKP, but I'm reluctant to spend £35 for a spacer.

Any help greatly appreciated.
Hmm ... the spacer isn't pictured in the parts diagrams, but there is a spacer listed - part no. ADU7346 - Beamends list it. But with my limited technical knowledge I'm not certain if this is meant to go with the CKP or the knock sensor. Give Beamends a call, they are knowledgeable and helpful and will know the answer.
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