Englishmaninwales Posted January 3, 2005 Share Posted January 3, 2005 Engine out at the moment, and I am fitting a new clutch assembly. On other cars I have always replaced the clutch pressure plate/cover along with the friction disc. Is it always necessary to replace the pressure plate? Is it possible to measure the pressure plate wear and if so what is the service limit? Thanks. Malcolm Link to comment Share on other sites More sharing options...
Myles Posted January 4, 2005 Share Posted January 4, 2005 Erm, I've been gifted a used AP clutch for my engine-project. All we checked was that the friction-plate was within AP's acceptable wear range (see here - bottom of the page). Personally - unless the friction-plate had been replaced a number of time, I'd restrict myself to just checking for cracks in the pressure-plate and springs. I'll beetle-off for a shufty at the AP site, but I suspect we'll only find figures for the friction material. You can always phone them up and ask them - even if it's not an AP clutch you are using - just look up the part-numbers in BC - the advice will be the same. Project Scope-Creep is underway... Alcester Racing 7's Equipe - 🙆🏻™ Alcester-Racing-Sevens.com Link to comment Share on other sites More sharing options...
Sheds Moderator Posted January 4, 2005 Share Posted January 4, 2005 Like Myles I would inspect the drive surface and unless it was scored I'd assume it was OK. You can't wear that out anyway (unless you have run it on the rivets). The fingers are another affair - I'd check them for cracks and check that there wasn't a significant wear step where the CRB runs. If it's OK, just a shiny patch on the end of each finger, you will be fine. Link to comment Share on other sites More sharing options...
Englishmaninwales Posted January 5, 2005 Author Share Posted January 5, 2005 Myles and BOSS Thanks. The pressure plate surface is not scored or cracked, and the diaphram spring fingers seem ok. I shall just replace the friction plate. ( and CRB.....and then wait for CRB failure ) Malcolm Link to comment Share on other sites More sharing options...
Leadership Team SLR No.77 Posted January 6, 2005 Leadership Team Share Posted January 6, 2005 Malcolm, Be sure that the original pressure plate is fine - Andy S had clutch slip on the rolling-road when he first went to 1800 - never sure whether it was a knackered cover or one specced lower due to being on a 1400? Might be worth giving him a call? This was the reason I went to the AP setup when I converted to 1800. Stu. Link to comment Share on other sites More sharing options...
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