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Help with identifying gearbox issue
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ARN Sussex
 


Member Since: 02 Jan 2018
Location: West Sussex
Posts: 12

United Kingdom 
Help with identifying gearbox issue

I'd really appreciate some help in identifying a likely auto gearbox issue.

This has only just happened with no prior warning.

Disco high revved when accelerator pressed so not engaging gear. Then after stopping, engine switched off, and then it was normal in forward and reverse. Engine switched off again, and then couldn't select drive or reverse when restarted - just high revving and no movement. Feels like gears are trying to 'catch' with a clicking sound, but now can't select drive or reverse.

Thinking its torque converter, but reading the forums I would have expected some warning through juddering and/or occasional high revving, but had none of that.

Its a 2010 model with 185K miles

Any thoughts, please?
  
Post #235918316th Jan 2024 8:03 pm
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DIY Ace
 


Member Since: 06 Feb 2019
Location: Hampshire
Posts: 951

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

Does your gearstick feel clunky and chunky when you slide it forwards and backwards? It should be smooth and silent.

I ask, because the linkage between the gearbox and the stick is prone to go dry, rust and/or seize and the result is the gearbox failing to engage gear properly.

Search 'gearbox linkage' on here and you'll find plenty. If you haven't time to replace it yet, just drop the shield from under the car (four bolts) and you can reach in far enough to spray it liberally with WD40 and put a blob of grease on the mechanism. That'll get you a few weeks of leeway.
 2022 BMW i4 M50. Bought Oct 2022. 10,200 miles and counting...
2014 BMW 435d convertible. Bought July 2021. 58,000 miles and counting...
2005 Discovery 3 HSE Auto. Bought Feb 2019. 169,000 miles and counting...
2009 Freelander 2 XS Manual. Bought Sep 2013. SOLD Aug 2021 (already regretted!)

https://youtube.com/channel/UCO_u_0D45x9KGfiNstzLJnw 
 
Post #235919316th Jan 2024 8:40 pm
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ARN Sussex
 


Member Since: 02 Jan 2018
Location: West Sussex
Posts: 12

United Kingdom 

Hi, thanks for the advice. I have a very mechanical minded friend who can take a look at hs yard.
  
Post #235920516th Jan 2024 10:18 pm
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