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Tires & Wheels Archives - Toolsource Blog
Tire Age vs. Tread Depth: Why the DOT Date Code Matters More Than You Think
Tire Age vs. Tread Depth: Why the DOT Date Code Matters More Than You Think

Plenty of tires look fine but are quietly failing from the inside out due to age, not mileage. This guide covers how to read DOT date codes, apply manufacturer aging guidelines, and catch the warning signs before a customer’s tire fails on the road.

August 14, 2026 by Toolsource Technical Team
Curb-Damaged Tire: How to Inspect It, Know When to Replace It, and Check What Else Got Hurt
Curb-Damaged Tire: How to Inspect It, Know When to Replace It, and Check What Else Got Hurt

A hard curb strike can shred a tire’s internal structure in seconds, and the damage often extends past the tire itself. Here’s how to inspect the tire, decide whether it’s driveable, and check the wheel, suspension, and alignment before sending the vehicle back out.

August 12, 2026 by Toolsource Technical Team
Sidewall Nail Damage: When to Repair vs Replace Your Tire
Sidewall Nail Damage: When to Repair vs Replace Your Tire

Sidewall punctures represent one of the most debated scenarios in tire repair. While industry standards typically mandate replacement for any sidewall damage, understanding the structural differences between tread block extensions and load-bearing sidewall areas helps technicians make informed recommendations and explain safety considerations to customers.

August 11, 2026 by Toolsource Technical Team
What Happens When Your Dealership Installs the Wrong Tire Size? A Technicians Guide
What Happens When Your Dealership Installs the Wrong Tire Size? A Technician’s Guide

When a dealership installs tires larger than factory spec—like 255/65R17 instead of 225/65R17—it creates measurable impacts on speedometer readings, odometer accuracy, and potentially your warranty. This guide breaks down the math, the risks, and the recalibration options every technician should know.

August 10, 2026 by Toolsource Technical Team