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5th March 2017, 12:24 | #1 |
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Rover 75 Tourer CDTI SE + MG ZS Join Date: Mar 2009
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throttle pedal problem
hi all. Looking help/advice my car is a 75 diesel. pedal box removed for access to remove and replace not working heater motor.all done. throttle pedal not sensing the engine, no rev up. the garage doing the job computer does not show faults. talking of outside computer help. all help and advice thanked for in advance. peter
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5th March 2017, 15:36 | #2 |
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1.8t Tourer Join Date: Oct 2011
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Your best answer is already given in your original thread here
No need to start a new thread. Listen to Phil-T4 (post 3), he knows his onions (and Rover/MG 75/ZT) The garage has either damaged the throttle during the job or failed to reconnect it properly.
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5th March 2017, 16:36 | #3 |
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R75 Saloon. Join Date: Feb 2009
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Peter.
If you couldn't find your first post then just click on your own forum name. Then click on----Find more posts by pbaker.------------------- Saves you asking the same questions again.----- |
6th March 2017, 12:42 | #4 |
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accelerater
Jon, you've sussed me out!!!. shrug: thanks for the info, will try that when needed. peter. now going to the garage for a hope not row
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6th March 2017, 22:18 | #5 |
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R75 Saloon. Join Date: Feb 2009
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6th March 2017, 23:47 | #6 |
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Rover 75 CDTi Tourer Connoisseur SE Auto, Also fully restored Mk 2 1966 MG Midget Join Date: Apr 2007
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Accelerator
Your problem is worn brushes/tracks within the box at the spindle end of the throttle arm. There are 4 sets of three tangs which scroll across their respective concentric curved contact tracks from which the signal is generated to give a variable throttle signal, from idling to full throttle.
I have two photos of the brushes and the tracks in Photobucket, but am unable to upload them on to show them here. I had your trouble and ended up having to buy a complete throttle and brake pedal unit from an X-Part agency near where I live. It cost me over £100. MarinaBrian said at the time that I could have bought the pedal alone, but I was unable to, even after arguing at the agency that I did not need the brake pedal, only the throttle. Your best bet is to go to your local scrap yard and get a throttle arm. It may be worn but, should still be usable and not completely worn out as mine was |
9th March 2017, 13:39 | #7 |
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Rover 75 CDTi Tourer Connoisseur SE Auto, Also fully restored Mk 2 1966 MG Midget Join Date: Apr 2007
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Done it, this is the base of the throttle showing, in my case, the worn tracks, in earlier better times, that the brushes stroke along. Last edited by GeoffWW; 9th March 2017 at 13:42.. |
9th March 2017, 13:51 | #8 |
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Rover 75 CDTi Tourer Connoisseur SE Auto, Also fully restored Mk 2 1966 MG Midget Join Date: Apr 2007
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And here is a picture of the contact brushes. The tangs are are bit blurry. It was hard holding the camera still hard but they are reasonably visible. Sorry for the double entry. There must be an easier way of adding more than one photo to an entry. I finally copied each photo's IMG number, but could only do one at a time. Last edited by GeoffWW; 9th March 2017 at 14:01.. Reason: Difficulty in uploading multi-photos |
9th March 2017, 20:46 | #9 |
This is my second home
R75 Saloon. Join Date: Feb 2009
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Hi there.
To post more than one pic just repeat what you did for the first pic. If you look at the box that opens for you to post pics it explains it there. Good luck.---- |
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