ECU mount problem
Hi,
Just fixed a strange rattle that developed under the bonnet:-
It was the ECU lower mount that had fatigue "torn" the inner guard where the bolt goes through. Seems due to resonant vibes overa long period. Maybe a diesel thing, maybe not, not sure if all XJs share the same ECU mounting.
Checking the ECU mount out, seems there are only two bolts so the whole thing is prone to vibrate and work fatigue the metalsince it is not held firmly in three dimensions.
Fix was to pull out ECU and paint inner guard with cold gal to stop rust. Added some "mudguard washers and bolt back up.
Then made a steel brace to give a third mounting point so the whole thing doesn't resonate and shake.
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