Tool tips Archives - Page 6 of 8 - TechShop Magazine
Tech Tip: Hyundai Suspension Noise with Steering Wheel Fully Turned

Some Santa Fe vehicles may exhibit noise caused by contact between the lower central arm steering stop bracket and the knuckle stop when driving at low speeds with the steering wheel fully turned.

Tech Tip: Liquid Tools Tip

Each side of the engine block has four main bearing cap side bolts that hold the bearing caps to the side of the engine block. The bolt threads, however, aren’t sealed at the factory, so sometimes engine oil can seep past the threads and the bolt washer, causing a leak on either side of the block. Fortunately, it’s an easy fix, so there is no need to replace the short block.

Tech Tip: Top Reasons and Causes for Camshaft Failure

Cam failure is rarely caused by the cam itself. The only things that can be controlled during manufacture pertaining to cam lobe wear are lobe taper, lobe hardness and surface finish.

Tech Tip: Volkswagen MIL is On, with DTCs P0087/P1093 or P2293

The MIL is on, with DTC P0087 (Fuel Rail/System Pressure Too Low), P1093 (Fuel Trim 2, Bank 1 Malfunction) or P2293 (Fuel Pressure Regulator 2 Performance) stored in the ECM’s fault memory. This could be caused by excessive wear of the intake camshaft lobe that drives the high-pressure fuel pump. The wear limits maximum pump piston lift, causing fuel rail pressure fluctuations. The wear on the camshaft lobe can also lead to wear on the base of the high-pressure fuel pump cam follower.

Tool Tip: Diagnosing Subaru’s P0851/P0852 DTCs

The purpose of this bulletin is to assist when diagnosing DTCs P0851 (Neutral Switch Input Circuit Low) and P0852 Neutral Switch Input Circuit High). If you encounter a ­vehicle with DTC P0851 and/or DTC P0852, use the repair procedure in this Tool Tip.

Training Tip: Maximize Use of Your Scan Tools

Delphi combines the importance of education and scan tools by providing training courses such as its Gasoline Powertrain Training Seminar Series, which specifically incorporates diagnostic scan tools for troubleshooting and diagnosis. The following courses are examples of Delphi’s scan-tool-related offerings.

TECH TIP: Outside Radio Signals Affects TPMS

KIA has received several inquires regarding TPMS light ON with or without Stored Diagnostic Trouble Codes in Memory. The following listed components/conditions may cause the control unit and wheel sensor communication to be interrupted and may cause multiple DTCs.

TECH TIP: CHRYSLER: ESP Lamp On Possible DTC C121A/C2205

The vehicle operator may experience an illumination of the Electronic Stability Program (ESP) lamp on the vehicle instrument cluster. The ESP lamp illumination may be due to the following Diagnostic Trouble Codes (DTCs)

Tech Tip: Ford Traction Control Light On/No DTC, or DTC P1889

Some 2005-’07 Five Hundred, Freestyle and Montego vehicles equipped with all wheel drive (AWD) may exhibit the traction control warning lamp on.

Tech Tip: GM Instrument Panel Cluster (IPC) Relearn

You may experience a problem where a GM vehicle will not start after a replacement IPC has been installed. In this tech tip, you will learn the procedure to enable the new IPC and the ECC to communicate.

Tech Tip: Solutions to Common Cylinder Honing Problems

Cylinder bore quality plays a huge role in reducing friction and blowby for improved engine performance and durability. Better bore geometry also contributes to better sealing and more usable power.

Tech Tip: Spiral-Reamed Valve Guide Misconceptions

There has been some confusion about the function of the threaded portion of the inside diameter of certain spiral reamed valve guides.