2001 4WD Blazer Automatic "Bumps"
#1
2001 4WD Blazer Automatic "Bumps"
We have a 2001 Blazer 4WD automatic transmission. It has 164,000 miles on it. While driving it will do a little "bump". It does it at any speed and not while it acclerates. My husband thinks it is a modulator? Does anyone have any suggestions? Does anyone have a transmission schematic we could have to look at? This is a good engine and has been a very reliable auto.
#2
I had a similar problem. Sort of bucked. Changing the cap and rotor on the distributor helped. It ran fine and only did it at highway speeds.
#3
Hey, thanks for the info. Will have my "back yard mechanics" check into it.
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