Toolsource Blog - Page 10 of 50 -
Blown Spark Plug Threads on Ford Triton Engines: How to Diagnose and Repair Them
Blown Spark Plug Threads on Ford Triton Engines: How to Diagnose and Repair Them

Ford’s 2-valve and 3-valve Triton V8s are notorious for stripping spark plug threads, leaving techs staring at an insert stuck to the old plug. Here’s how to diagnose the failure, choose between Sav-A-Thread, Time-Sert, and Helicoil repairs, and get the job done right the first time.

September 13, 2026 by Toolsource Technical Team
How to Check Power Steering Fluid: A DIY Guide
How to Check Power Steering Fluid: A DIY Guide

Learn how to check power steering fluid with this comprehensive guide covering reservoir location, fluid level inspection, condition assessment, and maintenance intervals. Discover vehicle-specific procedures for different systems and understand when flushing becomes necessary versus simple topping off.

September 13, 2026 by Toolsource Technical Team
Overfilled Engine Oil: How Much Is Too Much, and How to Fix It Correctly
Overfilled Engine Oil: How Much Is Too Much, and How to Fix It Correctly

Customers overfill oil more often than they admit, and not every overfill is an emergency. Here’s how to judge severity, remove the excess safely, and explain the risk to a worried customer without the fearmongering.

September 13, 2026 by Toolsource Technical Team
Coolant Boiling Over the Reservoir Cap: A Techs Diagnostic Walkthrough
Coolant Boiling Over the Reservoir Cap: A Tech’s Diagnostic Walkthrough

When a customer’s coolant reservoir keeps overflowing or “boiling,” the cause is rarely the coolant itself. This guide walks through the diagnostic order of operations — from fill level and cap pressure to trapped air and head gasket checks — so you can stop guessing and start confirming.

September 12, 2026 by Toolsource Technical Team
Coil Spring Compressors: Why Cheap Tools Are a Trip to the ER (And What to Buy Instead)
Coil Spring Compressors: Why Cheap Tools Are a Trip to the ER (And What to Buy Instead)

Coil springs store enough energy to kill, and shop-floor stories back that up — cast swing arms snapping, springs launching across the bay, and “illusion of safety” designs that gave no warning before failure. Here’s what working techs actually recommend for compressing struts and springs without gambling on it.

September 12, 2026 by Toolsource Technical Team
Steering Wheel Shake After Someone Drove With the Parking Brake On: A Techs Diagnostic Guide
Steering Wheel Shake After Someone Drove With the Parking Brake On: A Tech’s Diagnostic Guide

When a customer’s vehicle comes back from a loaner with a shaking steering wheel and a parking brake that was left engaged for hours, it’s tempting to blame the rear brakes. Here’s the systematic diagnostic approach that actually finds the cause — and the real damage a dragging parking brake can cause even when it isn’t the culprit.

September 12, 2026 by Toolsource Technical Team
BMW Structural Quarter Panel Bonding: A Step-by-Step Guide to Doing It By the Book
BMW Structural Quarter Panel Bonding: A Step-by-Step Guide to Doing It By the Book

Bonded quarter panel replacement on BMWs isn’t a place to improvise — procedure order, primer timing, and OEM consumables all matter to corrosion protection and structural integrity. This guide walks through the process technicians actually use, from surface prep to final documentation.

September 12, 2026 by Toolsource Technical Team
Broken Steel Belts and "Hairy" Tires: A Shop Guide to Diagnosing Belt Separation
Broken Steel Belts and “Hairy” Tires: A Shop Guide to Diagnosing Belt Separation

Exposed steel strands poking through a tire’s tread or shoulder aren’t cosmetic — they’re broken belts, and the tire is a rolling hazard. Here’s how to diagnose the cause, communicate the risk to customers, and know when to pull the whole axle.

September 12, 2026 by Toolsource Technical Team
Why Oil Filter Sizes Change: What Technicians Need to Know
Why Oil Filter Sizes Change: What Technicians Need to Know

You’ve probably noticed that replacement oil filters sometimes arrive shorter or taller than the one you just removed, even with identical part numbers. This isn’t a packaging error or quality control issue—it’s a deliberate result of manufacturing changes, supplier switches, and evolving filtration technology that most techs never hear about.

September 12, 2026 by Toolsource Technical Team
How to Assess Rust and Oil Leaks When Buying a Used Truck
How to Assess Rust and Oil Leaks When Buying a Used Truck

Buying a used truck requires careful inspection of rust and oil leaks that sellers often try to conceal. This guide shows technicians how to identify painted-over rust, test frame integrity, evaluate oil leak severity, and make informed decisions about whether a truck is worth the asking price.

September 11, 2026 by Toolsource Technical Team