With my prototype ACT clutch I had to reduce the free play to about 1/32 inch and even then it engaged with the pedal 1/2 inch off the floor. ----- Original Message ----- From: Steve Willington To: [email protected] Sent: Saturday, March 29, 2008 3:00 PM Subject: Re: Clutch problems
OK, had a look at the clutch free play - about 1/3 of an inch. Should be OK - might even have a little more there to play with? The other thing I have discovered, among the grease, is a small amount of hydraulic fluid below the push rod. At least it has the consistency of hydraulic fluid and not grease. Now it has not been enough to notice any loss at the reservoir but given my very, very low engagement point it could be enough????? New master cylinder? Steve. www.slowmx5.com ----- Original Message ---- From: Steve Willington <[EMAIL PROTECTED]> To: Ray Ayala <[EMAIL PROTECTED]>; [email protected] Sent: Saturday, 29 March, 2008 9:38:52 PM Subject: Re: Clutch problems I guess I should check this again. The peddle should have a small amount of free play indicating that there is slack between the push rod and master cylinder, yes? Steve. www.slowmx5.com ----- Original Message ---- From: Ray Ayala <[EMAIL PROTECTED]> To: Steve Willington <[EMAIL PROTECTED]>; [email protected] Sent: Saturday, 29 March, 2008 9:05:31 PM Subject: Re: Clutch problems Perhaps you've already adjusted your pedal pushrod too far and the master isn't refilling properly when you let the pedal up. There should be a small but greater-than-zero gap between the pedal pushrod and the master cyl when the pedal is all the way up ... at all temperatures. ----- Original Message ----- From: Steve Willington To: Ray Ayala ; [email protected] Sent: Saturday, March 29, 2008 12:54 PM Subject: Re: Clutch problems I sorta guessed that and is the reason I went with the shorter new rod. Still was hoping it might be a quick fix to give me more peddle travel. How much adjustment is there in the MX5 hydraulic system? How will I know when I have adjusted it too far? BTW could there be anything mechanically wrong to give me these issues? Perhaps I am concentrating on the hydraulic system and should be looking elsewhere? Steve. www.slowmx5.com ----- Original Message ---- From: Ray Ayala <[EMAIL PROTECTED]> To: Steve Willington <[EMAIL PROTECTED]>; [email protected] Sent: Saturday, 29 March, 2008 5:15:24 PM Subject: Re: Clutch problems Push rod length is immaterial unless there is a gap at the end of the push rod when at rest. A slightly smaller bore in the slave or a slightly larger bore in the master will improve the situation. Note that new cylinders tend to have a smaller bore and rebuilt ones tend to have a larger bore. You might want to take your master cylinder to a shop to have the bore enlarged but if you over-do it the slave piston may extend too much and possibly even eject from its bore. ----- Original Message ----- From: Steve Willington To: [email protected] Sent: Saturday, March 29, 2008 7:10 AM Subject: Clutch problems All, Looking for ideas on a clutch problem I'm having. I installed a new clutch assembly and flywheel a wheel a few months back. Initially it would not disengage properly at all but after breaking it in it got a lot better - but it still dis-engages just off the floor (lower than my ACT xtreme). Just recently it has occasionally refused to let me put the car into gear at all, especially when cold. It also seems to get a little worse the longer the clutch is down (although it bits practically on the floor so any change is noticeable). I changed the slave cylinder today to see if this would help - and it has made no difference, if anything, made things a little worse. On installing I noticed that the new slave cylinder 'push rod' is a little shorter than the original, by about 3 or 4mm (i.e. the distance between contacting the slave cylinders piston and the point the rod contacts the clutch release fork). Would installing the slightly longer rod give me more peddle travel/adjustment? Would replacing the master cylinder help at all? Anything else I can try? The peddle has been adjusted as far as it can be. Steve. www.slowmx5.com _______________________________________________ Miatapower mailing list [email protected] http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower -----Inline Attachment Follows----- _______________________________________________ Miatapower mailing list [email protected] http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower ------------------------------------------------------------------------------ _______________________________________________ Miatapower mailing list [email protected] http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower
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