Quote:
Originally Posted by Jeeper6
OK...this is from the transmission guru...35 years rebuilding diffs and gearboxes. Has his own tranny shop and did the service on mine while in Perth.
He flushes all auto transmissions when he services them...if carried out correctly is never a problem.
Obviously to just drop the pan and replace the oil in the pan is never going to be a proper job...which is often the way it is done.
"to flush....remove one of the cooler lines , then start the vehicle while pumping oil into the transmission and flush through about 11 litres , replace the line and top up the oil.
The oil to use is ZF Lifeguard 8 which can be purchased from Motospec by the litre or 20 litre....it’s relatively expensive at $595.00 + gst...($32.75 a litre) He noted too that many people get on forums and recommend Penrite or some equivalent replacement................not the same !"
There you go...you are on the right track as usual drover...
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That fits in with the one auto trans shop in Ballinas advice !They will only use Lifeguard 8 in the 8 speed even though using Penrite products elsewhere.Although ZF themselves state do not flush these boxes! Penrite also state do not mix Lifeguard and their product!Plus Do NOT mix .
Just removing all fluid on a way mentioned above should be ok.