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20th January 2021, 17:00 | #1 |
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Rover 75 Tourer Join Date: Sep 2011
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Autobox annoyance
Not really a technical problem so decided to post here. On the slightest of inclines, my 2001 2.5L R75 tourer stubbornly refuses to get past 3rd gear until I reach 30MPH+ when it changes up. No problems when accelerating normally on the level (4th at about 25 MPH). It's just becoming very sensitive to inclines for some reason and I wonder if anything can be done about it. It was much better behaved earlier in my ownership. The car's going in for its annual service/MoT soon so what should I check? Fluid level maybe? There is a level sensor I believe; could that be faulty? Thanks
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20th January 2021, 17:06 | #2 |
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It could be related to engine performance as the gearbox adapts to various driving styles and engine loads (are your VIS motors working properly?). It may even need a reset of the autobox electronics. If you disconnect the battery lead for a short while it will reset your electronics (don't forget though that you will lose all your radio settings, so will need the code).
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20th January 2021, 18:26 | #3 | |
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20th January 2021, 20:11 | #4 | |
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20th January 2021, 21:37 | #5 | |
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Quote:
The other engine problem which causes poor autobox response is the cam cover breather pinhole blocked with carbon. Simon
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21st January 2021, 07:29 | #6 |
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27th January 2021, 14:53 | #7 | |
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Think you may have nailed it. I seem to have a faulty vis motor (actuator 2; not sure which one that is though). On scanning, it comes up with a P1472 error (short to ground/sporadic error). Replaced both in mid 2019! The Jatco reported no errors.
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27th January 2021, 14:59 | #8 |
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They were replaced with standard spec rebuilt nothing special though with all the weaknesses built in though
P1472 is the power VIS IIRC
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27th January 2021, 15:37 | #9 |
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Yes I was aware they were standard spec and shouldn't be at all surprised by malfunction. Looking forward to fitting your more robust rebuilds in due course though!
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27th January 2021, 17:22 | #10 |
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I thought that my car was an old man's car until I replaced the VIS power motor! Vroom!
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