Tool Tip: Honda Revises Alternator Testing Procedures
American Honda is developing new equipment and procedures for testing alternators and starters. Until this equipment is released, use the following information.
Tech Tip: Hyundai Engine Overheating Concerns
Some 2004-’06 Santa Fe (SM) vehicles may exhibit an overheating engine and inoperative A/C. Inspection of the radiator fan connection finds it is abnormal. A replacement connector is available (E25). This bulletin provides the procedure to replace the radiator fan motor connector with the replacement connector.
Wrangling in Jeep Spark Timing Dilemmas
Every once in a while I get a Diagnostic Dilemma that takes me back to the basics of how modern engine management systems work. This month’s happened to be a 1992 Jeep Wrangler equipped with the 4.0L engine and manual transmission. Of course, a vehicle of this vintage and configuration has to be about as basic as modern technology can get, right? Well, there are always exceptions.
TPMS Update: FORD Tire Pressure Monitoring Systems
Ford embraced Tire Pressure Monitoring Systems (TPMS) as early as the 2002 model year on the Explorer and Windstar. These systems can be can be direct or indirect. All 2007 models have TPMS standard. From 2006-2009, Ford used banded sensors that are mounted in the center of the rim. In 2010, Ford reverted to the valve stem mounted sensors. All the systems are straightforward and use common procedures for most models.
Service Solutions: Lessons Learned Regarding ‘Old School’ Ignition Diagnosis
Recently, I’ve been confronted with driveability complaints on older vehicles that appear to defy conventional wisdom. Diagnosing such problems usually forces me to re-examine the fundamentals of engine
Tech Tip: 10-Step Driveability Test
Technicians may find that driveability problems continue after ECM replacement. Before condemning the replacement ECM, check for computer codes and correct any indicated problems, then perform this 10-Step Driveability Checklist.
Alignment & Suspension Specs: 2005-’10 Ford Mustang (Plus Shelby)
In 2005, Ford introduced a new Mustang with an all-new platform and clean-sheet design. While the formula of a live axle rear and MacPherson strut front end were the same from the previous model, Ford refined the design. These changes make for a vehicle that is easier to align and diagnose compared to the previous generation.
Tech Tip: DTC P0335 Stored in Nissan’s Self-Diagnosis Results
Use the information in this bulletin to repair a vehicle built prior to the applied VIN and date if the vehicle has DTC P0335 (Crankshaft Position Sensor [CKPS] [OBD]) stored in Self-Diagnosis Results.
Tech Feature: GM Tire Pressure Monitoring Systems (TPMS)
GM TPMS systems on Buick, Pontiac, Chevy (Chevrolet), GMC Cadillac and Hummer models are some of the easiest to service if you have the right tools and knowledge. Starting in 2007, most vehicles use a Schrader- or VDO-manufactured system that shares the same relearn procedures and behaviors. There are exceptions, like the Pontiac Vibe.
Tech Feature: BMW Diagnosing Electronic Accessories
BMW has some of the most technologically
TPMS: The Proper Tools to Service Tire Pressure Monitoring Systems
While law makers and tire makers are quick to sing the praises of TPMS, as a technician or shop owner, you know that this amazing technology comes with its fair share of headaches and problems relative to diagnosis, repair and maintenance of these systems.
Tech Tip: Mazda Information Display Freezes in the Cold
Certain Mazda owners may complain of a problem with their vehicle’s information display during sub-zero temperatures. Some vehicles may experience no illumination from the information display when the ignition is turned on. Also, the clock runs too fast and may gain more than 20 minutes per week. To correct this condition, follow the Repair Procedure in this Tech Tip.