Volvo Tech Tip: Camshaft Service Pointers
The following tools and service procedure should be used to remove the camshaft housing cover on Volvo vehicles. This method prevents damage to the camshaft housing thrust bearing.
Tech Tip: Chrysler Engine Mount Noise
I know the majority of you auto techs are extremely proficient at finding and repairing sources of strange and unusual noises. Although chasing these audible emissions can be time consuming and without a doubt aggravating, the customer’s concerns are usually valid and can often be of monumental importance to them.
Volvo Tech Tip: A/T-Neutral Control Function
A function called "Neutral Control" is present on all 2001 V70 and S60 cars, as well as on 2002 non-turbo V70 and S60 cars built before January 2002. When the vehicle comes to a stop, the Transmission Control Module (TCM) activates Neutral Control. Even though the gear selector is in the Drive position, a Neutral condition is engaged hydraulically in the transmission.
Tech Tip: Volkswagen Instrument Cluster Malfunction
Instrument cluster malfunctioning on affected vehicles may be caused by a poor connection between the instrument cluster and the wiring harness due to poor wiring-to-terminal crimping or improper terminal tension.
Mercedes-Benz Tech Tip: A/C Compressor Clutch Won’t Engage
Some owners of 1997 Mercedes-Benz E320 3.2L vehicles may complain that the EC light on the climate control push-button panel is continuously lit. This light is on because the A/C compressor clutch won’t engage. To correct this problem, refer to the following service procedure.
Subaru Tech Tip: Inoperative Daytime Running Lights
If you have a customer concerned that his/her daytime running lights (DRLs) do not operate, check to see if the brake fluid level warning light is "on." If it is, the DRLs will not function.
Tech Tip: Servicing Cabin Air Filters
They call it the "hidden filter" because many motorists don’t realize their vehicles have separate air filters for the passenger compartments. Cabin air filters first appeared back in the mid-1980s. The earliest applications were on Audi and other European makes. Today, about 80 percent of all new import and domestic vehicles have a cabin air filter – or a slot where one can be installed.
Nissan Tech Tip: Groaning/Grinding Noise from Front Brakes
Use this bulletin to service a 1998-2000 Quest if the vehicle’s front brakes make a loud, low-frequency groan/grind noise when stopping. The groan/grind addressed by this bulletin may occur at normal operating temperatures and is not a "creep groan." A creep groan occurs when the brakes are released slightly and the vehicle creeps forward.
Subaru Tech Tip: Transmission Crossmember Service Precautions
When performing service work or installing Subaru’s accessory short-throw shifter, it’s extremely important that the transmission is supported properly when removing or reinstalling the crossmember. If not, damage to the bolts and/or threads will occur.
Volvo Tech Tip: Replacing the Fuel Pump Connector
Identifix recommends technicians use the following procedure to replace the fuel pump connector on 1993 and newer Volvo 850, S70, V70 and C70 models.
Tech Tip: Diagnosing Suspension Noises on Hyundai Vehicles
Like any other problem, the more information we can get from the driver regarding suspension-related noises, the better. Many times, the best tactic is to have a tech road-test the car with the customer to be sure of the noise you’re chasing. At the same time, it’s a good idea to do a thorough safety inspection.
Tech Tip: Diagnosing a Nissan Altima with the Check Engine Light On
The engine runs rough, gas mileage is down and more importantly the "check engine" light is on. That little illuminated check engine light strikes fear in the hearts and minds of the average vehicle owner – it’s supposed to. Otherwise, people would keep driving their vehicles as long as they could, eclipsing the light with a piece of electrical tape.