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        General >> Problems >> Gear box advice
        
(Message started by: simonsp on Jul 31^st, 2008, 7:41pm)

Title: Gear box advice
Post by simonsp on Jul 31^st, 2008, 7:41pm

I have a 2.9l v6 12v scorp with an auto box. I checked the fluid the other day and it was brown and I didn't like the smell. The gearbox does drive ok there is a delay between park and reverse, and drive and reverse. All the forward gears are fine and if you engage any position to drive there is literally a 1 second delay. So, I am in two minds whether to change it. I have all the tools but not a 4 poster ramp. I have axle stands, can I still do the job or do I need the car to be higher? Do tou also think it is a good idea to change the prop doughnut and rear engine seal whilst I am there?

Cheers Simon

Title: Re: Gear box advice
Post by Scorpio_Mike on Aug 1^st, 2008, 11:33am

If the fluid smells like burnt toffee and has bits in it then that is not good news :(

How many miles has the gearbox done ?

You can change the fluid using ramps and axle stands but be aware is will be messy :o

New gasket, filter and 'O' rings required as well as fluid.

If gearbox is terminal, recon will not be cheap - if you can change it yourself then it may be worth getting a second-hand gearbox - less than £100 should get you a good used one. Check fluid is a good colour ( red / pink ) and make sure you get one from a 12v car. Think the gearbox is the same as on the earlier Granada / Scorpio range.

Title: Re: Gear box advice
Post by simonsp on Aug 2^nd, 2008, 8:57am

Any advice on changing a whole gearbox with axle stands only?

Title: Re: Gear box advice
Post by gozz on Aug 2^nd, 2008, 12:41pm

simonsp.
You really need a cradle to fit on a trolley jack to obviate the likelihood of you wearing the box,they are quite heavy!If you dont take steps to keep the back of the engine down when removing the box,or after removing it,you may not be able to get it back in owing to the engine resuming it's normal position.When refitting,make sure that the torque converter is pushed fully home,you can get a fair idea of this by measuring the distance between the bell housing flange and the back of the flywheel,then compare it with the distance between the edge of the bell housing and bolt holes in the converter.
Of course the easy way to do it is to go to your local small friendly garage and get a quote for changing it.
GOZZ

Title: Re: Gear box advice
Post by Scorpio_Mike on Aug 2^nd, 2008, 4:55pm

Not sure about how much one of these auto gearboxs weighs but have to agree about getting a garage to do it as they will have the proper equipment to do it.

Last time I had a gearbox out was on my Sierra - 15 yrs ago - and that was pretty heavy, not sure I would want to do it again !