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Pickups Chevrolet Silverado & GMC Sierra Chevy Silverado/GMC Sierra - Owners hangout 
5688 messages, Last post on Oct 17, 2006 at 8:34 PM
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Replying to: noobie1 (Dec 01, 2005 11:46 am) Later, 05Z71
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Replying to: 05z71 (Dec 17, 2005 7:51 pm) I asked the same question over on the 'Maintenance & Repair > Questions About Fuel Systems' thread and besides plugs 'alcan' suggested plug wires, air filter, PCV valve, and fuel filter be replaced. I've purchased everything except PCV valve and plug wires. After searching around a few places I finally resorted to a trip to the dealer to find out that this engine doesn't use a PCV valve. I haven't looked into how they manage the crank case gases yet but that's fine with me. With the plug wires, I would never buy OEM from the dealer. I was hoping to find a custom-made upgrade (Moroso,MSD,Accel) but so far it looks like a vain wish. Finding after market stuff for the 8.1L is like shopping tennies for King Kong. From what I've seen NAPA or Bosch (AutoZone) appear to be pretty good quality. AutoZone has a life time warranty which means free replacement. For plugs I chose NGK TR55IR Iridium (.059 gap), $6.95. Cheapest I could find Denso Iridium online was 11.99. 'D' day is set for next week-end. After a couple of tanks I'll post results if anyone's interested. -David BTW- What exactly do you mean by "check the O2 sensors"? What's the best method? Thanks for the help. |
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I have a 1988 GMC Sierra 1500. Engine is a 350. I keep on losing my belt. I have put on a new alternator, idler, pulley tensioner and pulley. numerous belts. the alignment of all the pulleys is perfect. any ideas???? thanks!
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Replying to: seannyt82 (Dec 18, 2005 12:55 pm) BTW Gates Co. makes good belts, NAPA sells them. Or get one from your GM dealer. OEM belts are usually decent quality. You pay more for them, but it will be worth it. Check your pulleys for grease contamination, andy sharp burrs, glazed surfaces,etc. If the pulley running surfaces are glazed, use emery cloth to roughen the surface lightly. Check the tensioner pulley and its bearing. The tensioner pulley may need replacing. A bad tensioner pulley bearing will cause rapid belt wear. |
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Replying to: seannyt82 (Dec 18, 2005 12:55 pm) |
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I have a 2000 LS 3500 and the drivers arm rest won't stop in the horizontal position. How can I take it off? Thanks |
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Replying to: dustyone (Oct 09, 2005 8:30 pm)
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| Message came on at 56K. Any clues as to the problem? Very seldom have used the 4wd. It seems to work in Auto, 2Hi, 4hi and 4lo with no problems. | |
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Replying to: ryanbab (Dec 02, 2005 5:04 pm) $45.25 Non-NC Residents Total: $45.25 Sales Tax (NC Only): $2.47 NC Residents Total: $47.72 GMPARTSDIRECT |
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