Quote:
Originally Posted by Ray1962
I have the same symptoms on my 2004 xc90,would a solenoid issue not show on a fault code scan ? I've scanned mine with VIDA and no TCM faults are detected ? Apart from a clunk when slowing or stopping at a junction the box seems to be performing quite well,this clunk only happen when the engine is hot,any advice would be much appreciated ?
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Some solenoid faults are not electrical but are caused by hard deposit build up in the solenoid valve. When the valve heats up and expands slightly this can cause the valve to drag slightly which delays the change and generates a clunk.
Clean oil can help, it did on mine but to make it perfect it's a set of solenoids and/or a valve body.
A valve body is not a huge job on a xc90.