Wheel Speed Sensors Replacement: WSS, Chevy, GM
By Larry Carley, Technical Editor When engineers came up with the idea of putting the wheel speed sensor (WSS) and tone ring inside a sealed wheel bearing hub assembly, it seemed like a great idea. The sealed environment would help protect the sensor and make it less vulnerable to damage or contamination from the outside
Solutions to Repair a Wiring Repair Nightmare
KNOWN PROBLEM AND SOLUTION A 2002 Chevy Impala has the ABS malfunction light on and wheel speed sensor code, C0040 – Right Front Wheel Speed Circuit Malfunction, is in the scan tool. There is no apparent damage to the harness or connectors. TSB #03-05-25-008 states that the connector for the sensor and its harness wiring
Brake Tools: Brake Service Tools & Equipment
Brake work is one of the cornerstones of the automotive repair business, so it’s important to make sure you have the right tools and equipment to service the brakes on today’s vehicles. Most shops that do brake work have some type of brake fluid flushing and bleeding equipment (a power bleeder, vacuum bleeder or injector
Tech Feature: Reasons for Piston Replacement
Though pistons can often be salvaged when rebuilding or remanufacturing an engine, sometimes they have to be replaced. The original pistons may have worn or damaged ring grooves, wrist pins or skirts, or they may have cracks. New pistons may also be necessary if the cylinders have too much taper wear and the block has to be bored to oversize. Or, maybe you just don’t want to reuse the original pistons if you’re building a performance engine or a high load engine like a diesel light-duty pickup truck.
Tech Tip: Putting The ‘Brakes’ on a Common Customer Complaint
Warped rotors are probably one of the most common complaints made to shop owners and technicians who repair and service brake systems. The less confident or sophisticated driver may complain that when he hits the brakes, "my pedal pulses," "the vehicle chucks during a stop" or "it shakes my teeth during braking." Generally, a quick turn of the rotors and some fresh pads cures the pulsation complaint and down the road goes another satisfied customer.
Wheel Bearing Service Tips
It may seem like a long time ago when removing the wheel bearings was a normal part of every brake job. The wheel, hub and drum would be removed. The bearings and seal were removed and the old grease was cleaned from the bearings with solvent and a brush. You would next take a wad
Tech Update: Warped Rotor Syndrome
Putting The ‘Brakes’ on A Common Customer Complaint Warped rotors are probably one of the most common complaints made to shop owners and technicians who repair and service brake systems. The less confident or sophisticated driver may complain that when he hits the brakes, “my pedal pulses,” “the vehicle chucks during a stop” or “it
Internal Injuries: Reasons for Piston Replacement
Though pistons can often be salvaged when rebuilding or remanufacturing an engine, sometimes they have to be replaced. The original pistons may have worn or damaged ring grooves, wrist pins or skirts, or they may have cracks. New pistons may also be necessary if the cylinders have too much taper wear and the block has
Elgin Industries Introduces Comprehensive Web-Based Engine, Chassis, Heavy-Duty Parts Catalog
Elgin Industries has introduced a comprehensive electronic catalog within their website, enabling distributors, jobbers, engine rebuilders and repair professionals to quickly access the latest information on more than 15,000 automotive and heavy-duty engine and chassis components.
Brake Lathe Care and Feeding: Breaking the Cycle of Neglect When it Comes to Machining Rotors
How often do you use your brake lathe? Once a month? Once a week? Once a day? If you’re like most undercar shops, your brake lathe is humming along for at least several hours per day, every day. Even a one-man shop will find a brake lathe to be an indispensable piece of undercar equipment.