Tech Tips
Get "under the hood" specifics with the latest information geared to technicians.

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Oil Filters

Chrysler's 3.6L Pentastar Engine with Oil Filter Housing Leakage
Tech Tip #180

Imagine changing the oil and filter on a customer’s vehicle and a few days later they return with a repair bill totaling several hundred dollars for a new oil filter housing to correct an oil leakage problem. You were the last person to service the vehicle and they are holding your shop responsible. The vehicle in question was a 2014 Jeep Wrangler with a V6-3.6L Pentastar engine...


Tech Tip 0179: Troubleshooting Noise and Vibration

Noise and Vibration

Troubleshooting Noise and Vibration: Pinpointing the Source Can Be Elusive
Tech Tip #179

Troubleshooting noises and vibrations can be a challenge, even for the most experienced technician. Our training has taught us to take some basic steps or procedures to identify and resolve these issues, but when these techniques fail, how do you handle the customer’s complaint? Repeating the same diagnostics or repairs...


Tech Tip 0179: Troubleshooting Noise and Vibration

Hub Bearings And Sensors

Hub Bearnings And Sensors: When They Fail the Symptoms Can Be Elusive
Tech Tip #178

When a hub bearing or wheel speed sensor failure occurs, the symptoms may involve a noise related complaint, illuminated malfunction indicator lamps, antilock brake related symptoms, traction control issues, or even transmission related symptoms. Following a transmission  replacement...


Air Filter Restrictions Due to Snow and Water Related Conditions

Passenger Compartment Ventilation: Eliminating Musty Odors
Tech Tip #177

Eliminating the musty odors or that refrigerator smell can be a challenge. The first ourse of action should involve a complete inspection to determine the source of the foul odors. Deodorizers are usually just a short term solution that results in a recurring condition. Some... 


Air Filter Restrictions Due to Snow and Water Related Conditions

Air Filters and Housings: The System Must Be Properly Sealed
Tech Tip #176

Performing an air filter inspection is a key part of the vehicle inspection process. A contaminated or improperly sealed air filter can have a major impact on the performance of the engine, its longevity, or damage to costly electronic sensors. In addition to inspecting the air filter for...


Excessive Oil Consumption

Excessive Oil Consumption: The Condition Could Be Factory Induced
Tech Tip #175

Dealing with a customer who has been told that the excessive oil consumption with his vehicle is due to the oil filter and the lubricant that you installed can be a challenge. Most customers would not lend credibility to the claim, but the customer is in a difficult position...


Air Filter Restrictions Due to Snow and Water Related Conditions

Air Filter Restrictions Due to Snow and Water Related Conditions
Tech Tip #174

In previous articles we have cautioned on the importance of air filter maintenance on diesel applications to prevent catastrophic engine and turbocharger failures. This information is included in Tech Tips #110 Ford's Power Stroke, #124 Servicing Dodge's Turbo Diesel, and #139 Filtering GM's Duramax Diesel. Those articles...


Engine Noises: Tips for the Lube Service Technician

Engine Noises: Tips for the Lube Service Technician
Tech Tip #173

The lube service technician often gets blamed for conditions that are beyond his control. While the symptom could involve an installation concern or the quality of the parts installed, it may be a condition inherited in the vehicle since production. When faced with a customer...

Diesel Exhaust Treatment: Taking the Mystery Out of Diesel Exhaust Regeneration
Tech Tip #172

Cleaning up the exhaust on a diesel application has been a challenge for the vehicle manufacturers. Much progress has been achieved with new fuel injection technology and the addition of a three stage catalytic converter to control hydrocarbons (HC)...

Lube Service Tips: Identifying Inherent Problems
Tech Tip #171

Identifying problems that are inherent with a vehicle can  save your credibility with the vehicle owner and the shop some unnecessary expense. When servicing a vehicle, many times we get blamed for a condition that may have  been inherent...