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Clutch Life/Quality of Replacement Clutches 200

Wondering what kind of clutch life you fine folks are getting on REPLACEMENT clutches.

The factory clutch in an n/a 240 seems to be good for at least 200K miles, even if you abuse the hell out of it. I always figured this was because the clutch is oversized relative to the output of the engine.

But, I am starting to think there is a little more to it than that.

Now, my understanding is that the OEM clutch was made by Sachs. Sachs still sells clutch kits for all years of 240 production, and the last one that I bought was, indeed, stamped with "Made in W. Germany" right on the clutch plate.

Buuuuutt.....the last two Sachs clutches that I installed in my 240's were toast after between 75K-100K miles. Noisy t/o bearings prompted their replacement, and the friction material was maybe 80% used up.

Which leads me to postulate that perhaps the original, mid 70s-early 90s Sachs clutches used cancer^^^^asbestos in their friction material, whereas the replacement parts one can buy 30 years on are made from something else that is not as hardy.

Thoughts?








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    Clutch Life/Quality of Replacement Clutches 200

    I'd say around 150k on a Sachs clutch on average. Thought the one in may wagon does have noisy throughout bearing now, 75 k miles after replacement. So maybe the bearings aren't as good...








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    Clutch Life/Quality of Replacement Clutches 200

    Hi, I agree that there has to be a difference! Europe or each country have less competition and are more directly connected to Volvo suppliers. In the states, there are more competitors wanted to do contracts so it's comes down to low bidding contest. The quantity involved means they might retool up for the greater quantities. Money drives grade differences.

    The last clutch I replaced was an original Volvo stamped with about 200K on the car. The clutch was doing the chirp thing. Not slipping but giving warning signs.

    This '91 car was maintained mostly by a dealer to the tune of almost $12k over most of its years.
    I went looking through the paperwork and I didn't see anything for a clutch replacement. The first owner, a Dad, if he heard a a squeak or thump they changed the suspension bushings or rotated tires.
    It got a new head gasket for a water leak that was some big bucks. Then later, less than a year later, it got a new water pump for some more bucks. So something went on there against the customer IMO.

    The Dad later gave the car for college to his daughter. She drove it quite a bit but was not as picky or rich.
    I got the car because of an Indy in the next town was nailing her, in the order of monthly car payments, for guessing for what part to change for a CEL. She had a second baby on the way and wanted a Mazda van.
    The struts, that later went bad, came from Venezuela! I'm thinking a tire shop job or the Indy since no paperwork or it was the likes of a college budget.

    I want to say though that the new replacement clutches, seem to have the same thickness of material above the rivets as the new friction disc in my kit. This doesn't look good to tear one out and put a new one in with almost the same amount of material above the rivets.

    So I ask, if this one is worn out, what was the thickness of the disc before it that got all those other miles? The dilemma hits you!
    Do I dare put in back with a new pressure plate and throw out bearing and gamble it was not the disc but only after a weakened set of springs?
    Trust me since I don't gamble at casinos for a reason, putting in a used part, is still not anyone's style.

    I have been thinking I should go to a place over in Medford Oregon that rebuilds or makes up clutches for trucks and heavy equipment and get an experienced opinion. They advertise on their building that they do all kinds. The place looks like a dirty place that gets down to the nuts and bolts of anything!
    I can show them a new one from a spare and a used one taken out and see what they say.
    Maybe they can replace the friction material with thicker and better or have the specifications for Volvos, Sachs. A better upgraded disc this common of a diameter sounds entertaining. They probably cater to hot roders as well!

    So, if you would like to beat me to it, as I'm slow as a turtle, look for a specialist in clutches in your area to see what you come up with.

    Phil








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      Clutch Life/Quality of Replacement Clutches 200

      Years ago I helped my cousin replace the 4-speed transmission in his Dodge van. When we dropped the clutch for examination the disc looked pretty worn to me. We took it to a specialist clutch builder--Falcon Clutches in Deerpark on Long Island. He took out his caliper and checked the disc--put it right back in was his recommendation--we did and it lasted at least the next few years before the van was sold. -- Dave








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        Clutch Life/Quality of Replacement Clutches 200

        Hi David,

        That's what I was suggesting. I have read, in the long past ago, in my motorcycle manuals, about the clutch minimum material amount that should be above the rivets. You can find this out in the Bentley about brake pads over the backing plate but I have not noticed anything about our clutches.

        Now that I brought up about using a shop maybe I should push myself to even take the pressure plate setup in for a check up on its tension.

        I imagine it might take more weight to move the pressure plate back than my bathroom scale can measure. I was thinking for it to be fit in between the press and the spring diaphragm.
        Be nice to come up with something comparable as a guideline that could be made at home on our presses.

        I imagine a thick strong spring placed inside a portable cylinder. Add an indicator pointing onto a scale showing different diameters of clutches as it goes downward.
        They surely have a press with a gauge and a chart with that information.

        Hmm bathroom scale...(-:) My cheese might be melting off my cracker. (:-)
        I probably look like the guys that work in that dirty old time shop, except I still have most of myself teeth! (:-)

        Phil







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