100k + preventative maintenance - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 09-16-2003, 01:17 PM   #1
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Default 100k + preventative maintenance

My 99 SE has just turned over 107,000 miles. I want to get at least 180,000.
Besides basic maintenance, what should I be thinking about replacing?
Thanks, JH2000
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Old 09-16-2003, 02:11 PM   #2
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Trans fluid, coolant, power steering fluid, brake fluid, fuel filter, plugs, check wires.
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Old 09-16-2003, 03:01 PM   #3
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When you do the transmission fluid, take it to a shop where they will do a transmission fluid FLUSH then change the filter & gasket after the flush.
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Old 09-16-2003, 05:04 PM   #4
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Keep an eye on the water pump and the harmonic balancer.
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Old 09-16-2003, 10:48 PM   #5
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All of the above. The only things that I would add would be that when you replace(flush) the old coolant out and replace it with new(Dex Cool) to replace the thermostat with a 180 degree unit. Also, if you're still on your original O2 sensor, it would be a good idea to replace that as well. Welcome to the Century Club.
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Old 09-16-2003, 10:51 PM   #6
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Ditto on what the old guy said about the O2. They're usually getting weak at about 50-60k.
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Old 09-16-2003, 10:52 PM   #7
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wires plugs in mostly are always changed at 100mile
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Old 09-16-2003, 10:52 PM   #8
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Most stock AC Delco wires won't even make it that long. Mine went at 80k.
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Old 09-16-2003, 10:58 PM   #9
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THE BEST THING I CAN TELYOU IS TO CHECK WITH YOUR LOCAL DEALER VERY KNOWLEGDEABLE PEEPS THERE BUT EVERY THING THAT WAS LISTED IN OTHER POSTS WILL BE ON THE LIST
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Old 09-16-2003, 11:15 PM   #10
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Quote:
Originally Posted by willwren
Ditto on what the old guy said about the O2.

OLD GUY?

I resemble that remark!!!
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