Thread: 300tdi auto wont change when cold

Originally Posted by Reads90

Hope This is the same problem i had on my 300 TDi disco before it completly carped it self. It would not select 2 but only when cold and then after an oil change it got worse and would not select 2nd at all. Found out that the oil was full of water and the oil fileter had not been changed for years. Had to have a whole new box in the end

Yeah, water is the clutch plates worst enemy in an auto box.

Ive been told by my mate who used to be a builder at A & B that it takes about a teaspoon of water in the il to kill a normal auto trans (Borg 35/Turbo 350/Trimatic) but im not sure how much the ZF will tolerate, I wouldnt imagine it would be much.

done a run to good old super cheap and got some heavy duty ramps, grage creeper and funnel to fill it what a godsend they are, now i need a spanner to undo the dipstick where it meets the pan back to super again lol bloody 20k trip each way

Originally Posted by Reads90

Hope This is the same problem i had on my 300 TDi disco before it completly carped it self. It would not select 2 but only when cold and then after an oil change it got worse and would not select 2nd at all. Found out that the oil was full of water and the oil fileter had not been changed for years. Had to have a whole new box in the end

ohh no thats not promsiing

well i think ive done it right, just filling it back up will post pics soon, was quite a bit of gunk in the bottom

filled it back up put almost what i took out minus a bit, and on the dipstick it is showing fluid half way up ive let it settle for a while, but i assume its from where i have just poured fluid down there what should i do

Hi Jeep boy,

Remember to start the engine and run the vehicle through the gears, stopping briefly at each selector position. Then recheck the oil level on LEVEL ground idling in neutral. From min to max these take only about .5 of a litre, so be careful not to overfill it. Fill it to about the top mark while idling in Neutral, box cold.

Sometimes they take a while to settle to a level, so leave it idling for a little bit to check the level accurately.

Finally, go for a brief drive, say 5 or 6 km and recheck the level, it should be slightly above the top mark if the oil is warmish, say 30 to 40 degrees.

How much gunk, and what colour/ consistency?

JC

When I changed the oil on mine, it took about 5 days of checking it each morning when cold and adding another 100ml each time before I got it to measure full consistently; so make sure you check it the morning after for a while,

Cheers Charlie

its readig over at the moment but it looks like there its from where i poured it in so im leavin it to settle why i have a feed than ill have anather look