GM ‘W Platform’
Preventive Maintenance and Undercar Service
Tech Tip: MIL Illuminated, System Lean in Ford/Lincoln/Mercury Vehicles
This article is intended to aid in diagnosing DTCs P0171, P0174, P1130, P1131, P1150, P1151, P2195 or P2197 (system lean or lack of HEGO switches) when a vacuum leak is present. HEGO sensors, MAF sensors and PCM replacements are not an effective repair when a vacuum leak is causing the above DTCs.
Steck Manufacturing’s Tie Rod Pliers Provide a Quick, Temporary Steering Repair
Steck Manufacturing Company’s Tie Rod Pliers provide tow truck drivers and technicians with the ability to temporarily steer, load and secure a vehicle with an outer tie rod ball and socket separation failure on their roll back wreckers as well as to lot steer to the repair bay.
Tech Tip: The Science of Friction Materials
Friction materials are made from a variety of ingredients. These include various types of fibers for reinforcement and heat management, fillers for friction control and wear resistance, other ingredients to suppress noise and resin to bind all of the other ingredients together.
H3R Performance Fire Extinguisher Billet Mounting Accessories Approved for use in NHRA Championship Drag Racing
Billet aluminum mounting accessories manufactured by H3R Performance, Inc. have been approved for use by the National Hot Rod Association (NHRA) for 1.0-, 1.4- and 2.5-pound fire extinguishers. The brackets and accessories combinations that H3R Performance sells have been accepted by the race sanctioning body for use in all categories of NHRA Championship Drag Racing.
Tech Tip: Boom-Type Noise During Engine Warm-Up on Chevy Astro Vans
Some customers may comment on a boom-type noise heard in the vehicle passenger compartment during engine warm-up. Install an exhaust dampener assembly on affected vehicles using the following service procedure.
Tech Tip: What to Know When Coolant Leaks Occur
Engines run hot! Almost a third of the heat energy produced by combustion is absorbed by the engine itself. That’s why engines need a cooling system. The cooling system absorbs the engine’s waste-heat and prevents the engine from overheating and self-destructing.
Jeep Tech Tip: Squeak-Like Sound from Front Bumper Crossmember
A customer may experience a squeak-like sound when driving slowly over driveway entrances, road bumps or when performing parking lot maneuvers. The squeak-like sound may occur when the vehicle body/frame is flexed (twists). This condition may occur when the front edge flange of either frame rail rubs against the backside of the front bumper crossmember.
Mac Tools Introduces the New Seven-Piece Radiator Hose Pick Set
Mac Tools is proud to introduce the new seven-piece Radiator Hose Pick Set – PSM7RT. This set includes standard and long full polish chrome-plated shafts for superior corrosion resistance. Antifreeze won’t make these picks slippery, as they resist damage from acids, fluids and solvents.
Tech Tip: Diagnosing a Worn Wheel Hub Bearing
Signs of a worn wheel hub bearing vary in severity. Some may be difficult to detect, leading to damage before corrective action can be taken. The time frame in which damage occurs is linked to driving conditions and/or the mechanical practices that were followed at installation. Noise is a classic sign of a bad wheel bearing or wheel hub bearing.