Onstar Recommended Tire Pressures?
#1
Onstar Recommended Tire Pressures?
Onstar recommends tire pressures to be 32 psi. How many of you have different pressures? I have 38 psi for all tires and wondered if that was too high. If so, what tire pressures do you have? Thanks.
#2
RE: Onstar Recommended Tire Pressures?
38? Drop it to about 34 or even 33 and the ride will be much much smoother!!! Gas mileage will go down a little, but I think 38 is too much. Look on the inside of your driver side door.
#3
RE: Onstar Recommended Tire Pressures?
Just put a set of Bridgestone Dueler H/L Alenzas, 285/60x18 on my 08 Tahoe. Lots of talk on B'stone's web site about how important proper inflation is, but no tire-specific info. They default to the recommendations that come with the truck, which seems to ignore the variety of possible sizes and profiles.
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