Tech Tip: Understanding How a Fuel System Works is the First Step in Diagnosing a Problem
Electronic fuel injection systems come in several versions. Throttle Body Injection (TBI) was used in the 1980s on many vehicles as an intermediate step from electronic carburetion to multiport fuel injection. TBI uses one or two fuel injectors mounted in a throttle body to fuel the engine.
Tech Tip: Replacing Wheel Bearing Hubs Equipped with Wheel Speed Sensors
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 world.
Tech Tip: Grand Am Rattles League Bowler
Mark, an accomplished bowler, is known for "rattling" the pins with his monster strike ball. But lately, his 2001 Pontiac Grand Am has been rattling his nerves. Mark said the rattle comes from the transmission while parking at the bowling alley before his league begins. When he leaves, the noise is gone. I had seen this problem before on another customer’s Sunfire, and I advised Mark that all he needed was a little oil.
Tech Tip: Shifty Camaro Strands Salesman
As a traveling salesman, Gerry spends a lot of time on the road in his 2002 Chevrolet Camaro. Just last week he was in Southern California when he started having transmission problems. Gerry called and said that the MIL lamp came on and the car wasn’t shifting correctly. I suggested he take the car to a local transmission shop owned by a friend of mine. I also prepared Gerry for what may be an expensive repair.
Tech Tip: Selling Performance Modifications
The sport compact car market is hotter than ever. The market has moved beyond the simple bolt-ons such as wheels, tires, brake rotors and spoilers. It’s not unusual today to see sport compact engines producing upward of 400 horsepower on the street. With so much power under the hood, the challenge is getting the horsepower to the tires and maintaining reasonable traction and handling.
Snap-on Diagnostics Showcases Latest Technology During Industry Week 2007
Snap-on Diagnostics will be showcasing its latest technology, which includes Software Bundle 7.4 with MODIS, SOLUS PRO, ETHOS and Vantage PRO, as well as ShopStream Networked Software, during Industry Week 2007, Oct. 30 – Nov. 1, at SEMA booth #13226.
Cadillac Tech Tip: Knocking Sound from Catera’s A/C Compressor
Some customers may comment on a knocking sound from the air conditioning compressor. This condition may be caused by an internal tolerance stack-up in the compressor. Perform the following A/C system checks and correct any concerns that may be found. Only after these checks have been done and any concerns found are corrected should the A/C compressor be replaced.
Tech Tip: Curing Engine Rattle on Chevy Astro Vans
Some customers with the vehicles mentioned in this Tech Tip may comment on a rattle-type noise coming from the engine at approximately 1,800 to 2,200 rpm. The spark, rattle-type noise may be caused by torsional vibration of the balance shaft. If detonation noise is present, perform detonation/spark knock diagnostics first.
Bendix Brand Focuses on Providing Great Value in Increasingly Competitive Global Market
In order to continue providing their channel partners with a great value proposition, the Bendix brand has made some enhancements to its line up of hard parts. In a category where OE fit, form and function are important, but country of origin isn’t a concern, the Bendix brand has eliminated its economy line of hydraulics and lowered the price on its premium line in order to provide one complete line of competitively priced hydraulics.
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