t bone Posted July 29, 2016 Report Share Posted July 29, 2016 hi I have a 2010 patrol crd zd30 auto and every time it goes into top gear (over drive) I get a vibration it has only done 70000ks any idears on what would cause this would be much appreciated it started after a trip to the gibb river road and the gear stick was getting very hot thanks andy Link to comment Share on other sites More sharing options...
Rumcajs Posted July 31, 2016 Report Share Posted July 31, 2016 (edited) G'day mate, What sort of vibration are talking and does it change or happens only at specific RPM/speed? Automatic transmissions are sensitive to water and dirt/dust ingress. Simplest thing you could do is to check for any traces of leaks outside and that nothing is loose (cross member bolts, transmission mounts etc.) Also check the the transmission oil cooler is not externally blocked with mud or other items as that would indicate overheating and further degrading the oil. Having said that, fluid contamination would affect every gear change perhaps so this is/could be something mechanical or related to just 4th gear operation. The best advice is to take to auto transmission specialist to have a look. When was the last time the transmission was serviced? Personally I'd drop the pan and change fluid in it first to be sure if unsure about the state of transmission fluid. Regards Edited July 31, 2016 by Rumcajs Link to comment Share on other sites More sharing options...
t bone Posted July 31, 2016 Author Report Share Posted July 31, 2016 the vibration is more of a shudder and only when she is hot going into top gear I'm hoping that a filter and oil change will do the trick thanks andy Link to comment Share on other sites More sharing options...
ricster Posted August 2, 2016 Report Share Posted August 2, 2016 I'm no auto expert, but I agree with Rumcajs, do an oil change on the box and make very sure the small radiator in the front of the water radiator isn't blocked up with either mud, or grass seeds. A while back I had to do some major cleaning after a long trip we did. The power steering radiator, my aftermarket oil cooler and aircon condensor was packed solid with little grass seeds that wedged themselves between the fins of the various radiators. The power steering radiator was the least affected, due to the fins being spaced wider apart. It took me ages to clean out these radiators by myself, but maybe taking the front grill off and moving the radiators so you can force a water spray from the back to push the dirt out the way it went in will help and work. Link to comment Share on other sites More sharing options...
t bone Posted August 5, 2016 Author Report Share Posted August 5, 2016 will do iv got to strip the front end anyway as we hit a cow up north so I will clean the radiators when I fix the front end and do a gearbox service Link to comment Share on other sites More sharing options...
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