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Old 07-11-2008, 01:34 PM
Muz's Avatar
Muz Muz is offline
Join Date: Apr 2008
Location: Glasgow, Scotland
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4.8 Jerky transmission & towing question

Guys ... I towed with my X for the first time yesterday, excellent drive, and very comfortable experience I am an experienced driver.. and tow.. er and I noticed that my transmission behaved completely differently to its usual style.

Peeps have complained here (including me) about how rubbish the shifting pattern of the 4.8 can be, and I know that after a factory tow bar gets fitted .. the ecu gets updated, presumably to alter the shift characteristics for when towing,.. could this be a primary reason for some peeps finding the shifting so bad ?

It held ratios for much longer, for ages sometimes, and frankly was quite smooth at times,.. although that could have been due to the load it was pulling,...

But OMG the fuel consumption 13 MPG It was struggle to make it between gas stations

Your thoughts ?
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Old 07-12-2008, 04:28 AM
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Join Date: Nov 2007
Location: Gold Coast, Australia
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Hi there......

What you SHOULD be doing, when towing, is use the DS mode, and shift manually... The car can't know what load you have in a trailer / caravan.

I agree with your comments on normal mode, and that is whY change gears myself.... works well....

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