Globe and Mail Update
No one else can seem to answer my concern. I own a 2007 GMC Sierra 4X4 Crew Cab with OEM 20-inch rims and a tire pressure monitoring system (TPMS), traction control and antilock brakes (FYI). In the winter, I purchased and installed a set of brand-new rims (17 inch by eight inch) and snow tires (245/70R-17) which are almost identical size in diameter although a little narrower.
The new rims and tires were balanced but are non-TPMS; consequently I have a caution light on as the truck isn’t sensing the TPMS. While driving in all conditions, everything is fine. But during braking the back end of the truck shakes violently like you are driving down a washboard dirt road; let your foot off the brake and everything is fine.
Wheel balancing, tire pressures, lug nut tightness, wheel clearance and rim offset are all good, truck rides smooth, touch the brakes and hold on to your fillings! It’s almost like the antiskid system is pulsating and send an on-off signal to the rear brakes a few times per second. Ever heard of this? – Jason
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