GM Late-Model Brake Job
GM currently has about eight active vehicle platforms in North America, and many of these platforms share foundation brake Âtechnology and Âsystems, like ABS and parking brakes. Compared to the previous generation of GM vehicles, these brake systems are more robust, yet more precise, and focused on reducing brake noise problems. Nearly every GM passenger
10 Toughest Cabin Air Filter Jobs
Cabin air filters prevent leaves, dirt, bugs and other debris from entering the HVAC system. This prevents the fan and control doors from jamming with debris that could cause fan noise or affect the operation of the heater, air conditioner and defroster. Keeping the HVAC system clean also helps reduce the growth of odor-causing mold
Servicing Timing Chain-Driven Water Pumps
Automakers are always trying to remove items from the accessory drive belt. This improves the efficiency of the engine and can extend the life of the belt. But where do you put the water pump? Some manufacturers like Ford and Mazda have driven the pumps with a pulley on the exhaust camshaft. Other manufacturers have
Proper Lug Nut and Lug Bolt Replacement
by Sean Phillips If there’s one thing tire techs deal with more than tires, it’s lug nuts. There’s quite a bit of knowledge and technique that goes into dealing with lug nuts and lug bolts. They’re relatively small parts under extremely large forces, and they are absolutely critical to holding the wheel on your customer’s
Crossword Puzzle: April 2014
Across 1. Camshaft protrusions 4. Recall reasons 8. Radiator liquid 9. Uneven carburetion term 10. Acorn or castellated fasteners 11. Ignition irregularities 13. Car-wax label creature 15. Uplifting service-bay sights 18. Bendix-drive components 19. Shop’s claim on repaired car 22. US crash-test agency, briefly (1,1,1,1,1) 23. Motorcycle stunt 24. Often-upgraded dash items 25. Items with
Follow the Money: How Money is Raised for SEMA Scholarships
An important means for raising money for the SEMA Memorial Scholarship Fund has been the annual auctioning of an engine on eBay. This engine is built entirely of aftermarket components manufactured by SEMA member companies.
Truck Stop: In for the Long Haul
H-D Service and Maintenance Tips: The following is a basic checklist of items that need to be scheduled for maintenance and repair of trailer dry vans and bodies developed by a national trailer manufacture:
Service Advisor: Taking Control of Ride Control
Suspensions are pretty rugged and can take a lot of punishment without any ill effects — at least for a while. But tens of thousands of miles of constant pounding eventually wear out the ride control components and other suspension parts
UnderCover: Knowing Nivomats: Dissecting A Load Sensing Shock
The Nivomat system does more than just level the vehicle under load. As the load increases, the pressure inside the shock increases as oil is displaced from the reservoir to the inside of the unit, compressing the gas volume. This creates a progressive increase in spring rate and damping with little or no change to ride frequency.
Component Connection: Determining the Clues to Engine Bearing Failures
Because of the stresses caused by the explosions inside the internal combustion engine, engine bearing material must be extremely strong.