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What do you make of this then?
I changed the clutch in my Alfa 75 last week. I fitted a low-mileage SH replacement that Jamieandthemagictorch sent me. When I dismantled the old one I found that it was worn, but not what I would call worn out. Also there was a lot of clutch dust in the housing. The new friction pate was a worthwhile bit thicker than the old one so I cleaned everything up, fitted the new friction plate and pressure plate, and boshed it all back together. I tested it and all was well, no slip, good pedal feel, engaging and disengaging OK.
Now this week I come to move it and the clutch will not disengage properly, meaning lots of crunching and carrying-on when trying to select 1st from a standstill. Fatha_bo11ox and I spend ages bleedeing and re-bleeding the clutch, but TBH the hydraulics seem to be OK anyway, the pedal feels right, there are no leaks, and we are getting a good tracvel on the clutch operating lever. So I'm flummoxed. Anyway I take it for a highly illegal blezz down to the end of the cul de sac and what do I find? Now its slipping like a mutha. You can let the clutch up from a standstill in 3rd and rev away, it just slips as if it was completely worn out. Now I am really mad.
Whats that all about then? It was fine last week. B@$T4RD$^%$##!1
Anyway I am going to dismantle the ruddy lot again tonight and see what I can find. I hope its sticking on the splines or something like that, its a long shot, but its the only thing I can think of.
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1974 Lancia Beta Saloon
1975 Mazda 929 Coupé
1986 Mazda 929 Wagon
1979 Mazda 929 Hardtop
1982 Fiat Argenta 2.0 iniezione elettronica
1977 Toyota Carina TA14
1989 Subaru 1800 Wagon
1982 Hyundai Pony 1200TL 2-dr
1985 Hyundai Pony 1200 GL
1986 Maserati 425 Biturbo
1992 Rover 214 SEi 5-dr
2000 Rover 45 V6 Club
1994 Peugeot 205 'Junior' Diesel
1988 Volvo 760 Turbodiesel Saloon
1992 Talbot Express Autosleeper Rambler
2003 Renault Laguna SPEARS OR REAPERS
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Mar 27, 2007 17:16:32 GMT
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Sorry to hear your bad luck. Did you use any lubricant on the splines, and if so what kind?
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Mar 27, 2007 17:17:04 GMT
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bump to page 1!!!!!!!11111111one11!!!!
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2001 HONDA CT110 (NOT RCV)
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Mar 27, 2007 17:22:49 GMT
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Youre not meant to use anything on the spines are you? Just clean them up. Could the clutch fork pivot thing be screwed somehow?
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1987 Maestro 1.6 HL perkins diesel conversion 1986 Audi 100 Avant 1800cc on LPG 1979 Allegro Series 2 special 4 door 1500cc with vynil roof. IN BITS. HERITAGE ISSUES.  |
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Rob
Posted a lot
You know, for kids!
Posts: 2,515
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Mar 27, 2007 18:06:41 GMT
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what about the slave pin ? i had loads of problems with the wrong lengh and diameter of slave pins...  but i guess if it worked with the same bits before . . .  |
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Mar 27, 2007 21:24:37 GMT
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If you have MSN, add trx850uk, it is Twinspark who sometimes posts on here.
He said to give him a shout as he may be able to help a little, being an ItCar nut and a fellow 75 owner.
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Welll last night I went to play with it and it was engaging and disengaging OK again! Bizarre. I did not go razzing it down the street as I decided to tackle the rear brakes instead, so that I would be able to test the clutch for slip (against the handbrake).
There is a hyrdaulic hose in the clutch system, I think I am gonna replace that, maybe it is breaking down internally and stopping the fluid from flowing properly.
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1974 Lancia Beta Saloon
1975 Mazda 929 Coupé
1986 Mazda 929 Wagon
1979 Mazda 929 Hardtop
1982 Fiat Argenta 2.0 iniezione elettronica
1977 Toyota Carina TA14
1989 Subaru 1800 Wagon
1982 Hyundai Pony 1200TL 2-dr
1985 Hyundai Pony 1200 GL
1986 Maserati 425 Biturbo
1992 Rover 214 SEi 5-dr
2000 Rover 45 V6 Club
1994 Peugeot 205 'Junior' Diesel
1988 Volvo 760 Turbodiesel Saloon
1992 Talbot Express Autosleeper Rambler
2003 Renault Laguna SPEARS OR REAPERS
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Youre not meant to use anything on the spines are you? Just clean them up. Could the clutch fork pivot thing be screwed somehow? "a light smear of multipurpose grease on the splines will assist" to quote my friends at Haynes (at least on VWs). Presumably installation is then the reverse of removal. |
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Mar 28, 2007 13:03:38 GMT
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I decided to tackle the rear brakes instead, so that I would be able to test the clutch for slip (against the handbrake). good luck on the rear brakes - they are an absolute curse word to setup well - I always entrust this job to a mate of mine. Hope that the hose replacement sorts out the clutch problem. |
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71 Alfa GT 1300 Junior
89 Alfa 75 3.0 V6 Veloce
89 Alfa 75 3.0 V6 America
2015 C220 estate Daily shunter
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Mar 28, 2007 15:06:25 GMT
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Yeah they suck major league spaceman dong, I was on for 5 hours faffing about changing the pads with my fat trembling hands, when I had finished the brakes were still proper dog-egg. Mega spongey and that.
Handbrake is good now though. I think I need to bleed the brakes a bit more, might lob in some new front pads as well.
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1974 Lancia Beta Saloon
1975 Mazda 929 Coupé
1986 Mazda 929 Wagon
1979 Mazda 929 Hardtop
1982 Fiat Argenta 2.0 iniezione elettronica
1977 Toyota Carina TA14
1989 Subaru 1800 Wagon
1982 Hyundai Pony 1200TL 2-dr
1985 Hyundai Pony 1200 GL
1986 Maserati 425 Biturbo
1992 Rover 214 SEi 5-dr
2000 Rover 45 V6 Club
1994 Peugeot 205 'Junior' Diesel
1988 Volvo 760 Turbodiesel Saloon
1992 Talbot Express Autosleeper Rambler
2003 Renault Laguna SPEARS OR REAPERS
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Mar 28, 2007 17:56:57 GMT
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maybe you got a pipe prob when the fuid warms??
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2001 HONDA CT110 (NOT RCV)
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Mar 28, 2007 19:20:41 GMT
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My old Estelle had a weird day with the clutch once.
When I bought it, I replaced the master cylinder, blead it through and then all was fine until winter.
I found the switch that directed heated air down the centre tunnel to the rear seat passenger and turned it on.
It wasn't that cold, but the heating made everything hot enough that the metal of the handbrake was almost too hot to touch, and the clutch got soggy really quickly pedal not springing back up, after I got stuck in traffic for 15 minutes. A couple of quick blasts and some cooling air under the car and it worked fine again. I turned off the heat diverter and it never happened again.
Do 75s have anything similar to get heat to the back seats? Or as you say, any flexi pipe gone soggy and expanding. Might try and see if Pirtek can make you a short braided section with the right ends on.
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