tech tips Archives - Page 3 of 4 - UnderhoodService
VIDEO: Why Should You Replace All The Coils And Plugs

Not replacing them all could leave the root cause of the failure in the engine. This video is sponsored by NGK and NTK.

Tech Tip: TPMS Relearn Procedures

Double-check as you go that the steps are done correctly. There are no shortcuts to the relearn process.

Tech Tip: Alternator And Battery Testing Diagnostic Tips

For some vehicles, it’s normal to see as high as 16 volts for long periods at a time. For others, it’s ­normal to see as low as 13 volts. For some, a constant 13.6 volts is an indication of a problem.

Tech Tip: Replace A Failed Water Pump And Timing Belt At Once

Here are three main reasons why you should have a conversation with your customer to replace multiple parts simultaneously.

Tech Tip: Fuel Delivery System ElectroStatic Charge Problems

Fuel delivery system components concentrate on the use of specific plastics and nylons to reduce conductivity.

Dayco Tech Tip: Long-Lasting Vehicle Belts

Belts continue to be one of the most frequently replaced wear items on vehicles today. The typical replacement interval for serpentine belts and flat belts today is around 90,000 miles – which for many vehicles means only once every seven to nine years!

Tech Tip: Stud Shearing Problems

During installation, carefully inspect the position of the mount’s recessed slots at the bottom of the mounting plate.

VIDEO: Ensuring Your Alternator Lasts

Check out this video to learn more ways that you can ensure your new alternator will last longer than ever and that the electrical system will stay up to par. Sponsored by Auto Value and Bumper to Bumper.

GM Tech Tip: Service ABS / TCS / Power Steering, Suspension Message

Monitor the voltage on the communication enable circuit 5986 at any of the modules affected.

Chevrolet Tech Tip: Rough Running Engine, DTC P0300

Some customers may complain of a rough running engine and the check engine light is on. You may find DTC P0300 (Engine Misfire Detected) set along with a misfire and low compression in one or more cylinders.

Tech Tip: Nissan Clunking Or Thumping Noise At Start Up

Fix Nissan vehicles that have a clunking or thumping noise with this TSB.

Outsmarting The Smart Cars: ECM Replacement

The ECM’s (engine control computer) function is to control emissions, monitor and regulate engine functions as well as optimize engine performance and fuel consumption.