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        General >> Problems >> NOW HAVE AUTOBOX PROBS 2.3 ULTIMA
        
(Message started by: tiggerlit on Sep 19^th, 2010, 10:45pm)

Title: NOW HAVE AUTOBOX PROBS 2.3 ULTIMA
Post by tiggerlit on Sep 19^th, 2010, 10:45pm

thought i would start a new topic on my new prob so theres no confusion in probs.
this though i think is a simple one, but as they say have all the gear but no idea lol.

when starting engine and putting it into drive it will hesitate, then it will go into gear.
then it got worse so started to use gear 1 to start to move off, and then change into drive, then it was fine while driving.
but kept doing it everytime you de-selected but going into reverse was fine.

when going off after finding gear it feels like its slipping.
it does it hot and cold
atf perfect not dropped and nice colour
have cleaned maf sensor but still no change
gearbox was rebuilt 4 years ago
but looking at the history paperwork we have as it had a full history maf sensor has not been replaced yet in its life
any ideas

Title: Re: NOW HAVE AUTOBOX PROBS 2.3 ULTIMA
Post by Highlander on Sep 20^th, 2010, 9:48am

Arent you losing ATF and possibly have water contamination due to your other problem though

Title: Re: NOW HAVE AUTOBOX PROBS 2.3 ULTIMA
Post by tiggerlit on Sep 20^th, 2010, 11:52am

hiya no im not that is just it i dont have any drops in any of the oils including atf. we have been checking them all everytime we use it. but going to take the sump off this afternoon, as what people have said it might not be atf. makes you wonder what garage you can trust

Title: Re: NOW HAVE AUTOBOX PROBS 2.3 ULTIMA
Post by Tompion on Sep 20^th, 2010, 12:21pm

It looks like ATF on the dipstick.
Checking it via the dipstick won't help, water/coolant sinks to the bottom so probably won't show on the dipstick.
That is why with regard the engine sump I suggested parking with the drain plug as the lowest point & draining some out.

The pickup for the oil pump is near the bottom of the sump, so as water builds up it initially gets a mix of water pumped round but ultimately can end up with just water – even though there is plenty of oil in the engine/box.

http://i.imgur.com/XIUWy9t.jpg

Title: Re: NOW HAVE AUTOBOX PROBS 2.3 ULTIMA
Post by Cosray on Sep 20^th, 2010, 4:17pm

Tompion - excellent analysis! Great pic too.
Ray

Title: Re: NOW HAVE AUTOBOX PROBS 2.3 ULTIMA
Post by Stixy on Sep 20^th, 2010, 7:19pm

Gearboxes can cope with a bit of water in the very short term but water/antifreeze mix they cant cope with at all

Title: Re: NOW HAVE AUTOBOX PROBS 2.3 ULTIMA
Post by Dave2302 on Sep 28^th, 2010, 12:43pm

Any water / coolant in an autobox will result in it needing a rebuild, cos when it gets hot water turns to steam and takes all the linings off the clutch plates.

I've seen guys change the oil and radiator, only to have all the linings come off a couple of months later.

If theres any water in yr auto its very bad news I'm afraid :(

Dave