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15th March 2013, 18:18 | #1 |
I really should get out more.......
75 tourer cdti, MG ZS 180, nissan terrano & 1.8t rover 25 Join Date: Feb 2010
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reverse piston replacement
after doing lots of research about the replacement, i decided to buy a car with a known reverse piston failure with the hope that it can be repaired.
this is how mine came apart battery off and fbh out of the way (that makes it a bit akward) wheel arch out of the way bolts out of casing cover off (probably the most difficult part, the cover has to be manouvered in a certain way to get it out) assembly out assembly stripped for those who have seen the how to and bienet1's thread, they both had to take extra bits out, where as with mine only the part which needed to come out actually did. so bienet1 was correct when he said the two parts he seperated first should just come appart. the reverse piston is definitly cracked, i dont have a pic but its cracked about a third the way around. the good think is there wasnt much sludge on the rpm sensor and very little on the drain plug so the 250 mile journey home didnt do it any harm. the clutch plates all look in good condition so hopefully they wont need replacing. the o rings seemed tired but were complete. and the oil was dark but seemed clean. took me about an hour an half to strip so not to bad. just need to order another piston, o ring set and oil and hopefully it will be running soon
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15th March 2013, 19:04 | #2 |
Vis Whiz
Rover 75 2.5 auto Saloon Join Date: Jun 2007
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Top man there Reece, Keep us up to speed
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Dave... Lost a few stones and a Gall Bladder and part of a bile duct and all of my dignity in the suppository incident |
15th March 2013, 19:26 | #3 |
Posted a thing or two
Rover 75 2.0 V6 Auto Join Date: May 2011
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Hi RRobson,
Glad to see that my work and research is usefull for someone I love to see those pics Keep up the good work and keep us updated about your progress. I would recommend to replace the circlips to just in case, they are not expensive. |
15th March 2013, 19:49 | #4 |
Doesn't do things by halves
Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007
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Lovely job Reece and excellent photographs. Aren't automatic gearboxes works of art?
Simon
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15th March 2013, 19:57 | #5 |
This is my second home
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Lovely photos there, accurate and sharp. What it is to be able to do your own repairs.
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15th March 2013, 20:12 | #6 | |
I really should get out more.......
75 tourer cdti, MG ZS 180, nissan terrano & 1.8t rover 25 Join Date: Feb 2010
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Quote:
Thanks for the circlip advice, will do that. It makes more sense now I've done it myself. I was unsure what you meant when you said about compressing the spring with a wooden washer and clamps but obviously I now know. Nothing was worn as bad as yours. The o rings aren't doing anything though, there's probably only a few thou compression on them. One thing I noticed is the piston is its a lot smaller in real life, for those that can't judge, the spanner in the pic is 12mm so quite small. Will get some more pics when there's light. All the clutch plates have still got the wear marks on them so there's plenty of meat left
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15th March 2013, 20:20 | #7 | |
Doesn't do things by halves
Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007
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Quote:
Simon
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"Whatever is rightly done, however humble, is noble." Sir Henry Royce. |
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15th March 2013, 20:27 | #8 | |
I really should get out more.......
75 tourer cdti, MG ZS 180, nissan terrano & 1.8t rover 25 Join Date: Feb 2010
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Quote:
One thing I learnt about these gearboxes is that they are fitted to a number of cars. From memory they are Ford mondeo Ford galaxy Vw sharan Seat alhambra Mazda mpv (not sure which this is) Jaguar x type Land rover freelander So this would explain why the oil on bienet1's thread had so many specs which it met.
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15th March 2013, 20:29 | #9 |
I really should get out more.......
75 tourer cdti, MG ZS 180, nissan terrano & 1.8t rover 25 Join Date: Feb 2010
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I will get measurements, but they look bearly worn and the gearbox has covered 160k, so it shows how robust they are
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15th March 2013, 20:41 | #10 | |
Doesn't do things by halves
Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007
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It's the Mazda 6 I believe.
Quote:
Simon
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