Posted: 5/24/2008 11:09:03 AM EDT
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My son has a 98 or so S10, V6, 4WD, manual. He had a clutch package installed about a year ago - new clutch, throw-out bearing, other goodies. He went over a big bump while backing out of a muddy dirt road situation, and his foot slipped off the clutch pedal kinda hard. The truck stalled, and started right up again, but now it has a glitch. When it starts off from stopping, it does fine, shifts fine with no grinding, feels normal, but when speed & RPM's and coincidentally, heat off the engine builds, it feels like the clutch is slipping badly, but strangely feels like it may be slipping further downstream from the clutch. Is there a chance there's something slipping in the transfer case or the transmission itself? Are there other clutches or similar devices in these 4WD systems that can feel like slippage? Any thoughts are appreciated. Please don't move this to a sub-forum, because they are rarely visited and there's spiders and roaches in there and glowing eyes in the darkness. |
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Check the clutch slave cylinder lines and see if they have been damaged or moved by that "big bump" This thing have part time 4wd or all wheel Drive? If all wheel drive it could be a problem with the center diff. If nothing else, Bleed the system. It'll take 5 minutes with 2 people. |
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I'm not 100% familiar with the S-10, but my father-in-law has run an S-10 Blazer for years now. If the clutch is mechanical, there should be some adjustment somewhere. If it's hydraulic, it's likely self-adjusting. Get a Hayne's manual or similar. There's no other differential, so if something is slipping, it's likely the clutch. The xfer case is chain-driven, so if it's slipping, would should have some chain noise/gear noise - and that won't last long before it fails. He might have tweaked the clutch linkage if it's a mechanical clutch. Look for bent brackets, get under it and look for smooth operation of the linkage. |
There is no "clutch adjustment" per se as it's a hydraulic setup and is self adjusting. I'm betting, barring actual damage to the lines that you have either the master or the slave [by the clutch housing] cylinder going out. Still, it's a good idea to bleed the system well before replacing parts, and to inspect anything that might have gotten "tweaked" from the off road excursion, especially since it [problem] started at that time. |