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Old 06-28-2005, 11:56 AM
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98 Blazer Shifting Hard After Long Trip

Hey guys, just a quick question, I took my mom's 98 Blazer on a trip down to the beach. It's a 110 mile drive and almost all of it is highway driving. I probably drove 100 miles without having to stop, after that 100 miles I had to stop for a traffic light and pulling away the first to second shift was HARD, it jerked my neck, but the second to third gear shift was smooth, and so was the third to overdrive. This trans has always shifted smoothly. What would cause a hard 1-2 shift after a long drive? I'm guessing heat?

The whole time I was driving the blazer around down at the beach it shifted smoothly, but these were just short trips.

Then the ride home, after that 100 mile highway trip it was again shifting really hard from first to second.

Just so you guys know, on the ride down to the beach and on the ride home I was hauling *** with the A/C on and a full load of luggage. I was doing 80-90 mph the whole way and was kicking it down to 3rd to gain position on a regular basis. This Blazer is well maintained, has 100,000 miles on it, and the trans fluid is clean.

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Old 06-28-2005, 12:44 PM
1931 steve's Avatar
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There is a TSB (technical service bulletin) for this problem. TSB # 01-07-30-023B. Is the service engine soon light on yet. If you can't find the info on this TSB I can fax it to you. I can't pull it off Alldata and send it as an attachment. Also this covers 2 or 4 wheel drive with either the 4.3 vin W or the 4.3 vin X.

Steve
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Old 06-28-2005, 01:12 PM
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Wow thanks for the info.

The service engine soon light is not on. I did a search on google, the link on Alldata came up, the site seems to be down at this time.


Does anyone know what is the specific cause of this problem is, and how difficult/expensive it is to fix?
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Old 06-28-2005, 01:17 PM
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Got a fax and I will fax the info to you, PM me if you do.

Steve
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Old 06-28-2005, 04:33 PM
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Sorry Steve, no fax number.
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Old 06-28-2005, 08:41 PM
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hard shifts

scan it for codes, 1870 should be there.....component slippage code
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