Tranny Slipping - Land Rover Forums : Land Rover and Range Rover Forum
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post #1 of 6 (permalink) Old 06-06-2018, 06:18 PM Thread Starter
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Tranny Slipping

I have a 1999 Land Rover Discovery II with 118k miles and the original transmission.

I got bigger tires (265/75/16) with a 2 inch lift. The car is now struggling or slipping when driving up the big bridge from 3rd to 4th gear.

What is the solution for this and will I have to get a new transmission?
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post #2 of 6 (permalink) Old 06-12-2018, 08:31 AM
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I'd start with changing the fluid, unless it's been done recently.
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post #3 of 6 (permalink) Old 06-12-2018, 08:28 PM Thread Starter
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Quote:
Originally Posted by Mikejdup View Post
I'd start with changing the fluid, unless it's been done recently.
It was changed at 90k. It's now at 118k. I bought everything to do it myself. But the book said I need another person to help and I don't trust the car on and having someone shifting gears while I'm under the car.
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post #4 of 6 (permalink) Old 06-12-2018, 08:46 PM
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Originally Posted by Mikejdup View Post
I'd start with changing the fluid, unless it's been done recently.
You will soon learn that what he says is happening and what is actually happening are too different things.
He has put on bigger tyres and therefore changed his gearing. The transmission is having to work harder and the torque convertor lockup will not occur until a higher speed. So all that is likely to be happening is just that the torque convertor is working harder and therefore you are doing a higher revs. I doubt whether the transmission is actually slipping.
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post #5 of 6 (permalink) Old 06-12-2018, 10:02 PM
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Run a stall test on it then you'll see if it's really slipping or @p76rangie is right... do EXACTLY as in the guide is(copied from RAVE):

double click on the image to see it well
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My friends call me Fery

2000 Discovery Td5 ES manual

Hawkeye v.6, Nanocom EVO,
VDM UCANDAS, oscilloscope


if you think my english is peculiar it means you didnt hear my japanese

ALL MY ADVICES ARE BASED ON MY OWN KNOWLEDGE AND MY WAY OF UNDERSTANDING THE DESCRIPTION AND OPERATION OF SYSTEMS... I'M NOT A LAND ROVER TRAINED SPECIALIST JUST AN ADDICTED ENTHUSIAST.
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post #6 of 6 (permalink) Old 06-13-2018, 04:53 AM
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Wow; the amount of information on this forum is incredible thanks to you guys.

I love this forum.
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