Cylinder Heads Archives - Page 6 of 8 - Import Car
Cylinder Head Resurfacing Tips: How to Produce an Ideal Surface Finish

Always dress and true the resurfacer wheel face to keep it in proper grinding condition. Never dress or true a wheel above the wheel center line. In addition, always dress or true the wheel as close as possible to the point of actual grinding.

Tech Feature: Diagnosing Automotive Lab Scope Dilemmas

Although digital storage oscilloscopes or “lab scopes” have now become standard equipment for most modern automotive repair shops, they still possess a mystique that tends to intimidate many technicians. Right off the top, a lab scope is basically a voltmeter that displays voltage signals along a time base. The vertical scale measures the amplitude or amount of the voltage and the horizontal scale measures an incremental time line along which the signals are displayed.

Tech Update: Gaskets, Seals, Sealants and Fasteners

Some gaskets can go the distance, while others can not. The factors that typically cause a gasket to fail include age, heat, thermal expansion, abrasion, pressure, vibration, corrosion, material breakdown or poor design.

Tech Tip: 1987-93 Jeep 4.0L: Head Gasket Leaks/Seepage Found in Engines

Some vehicles equipped with a 4.0L engine, may experience engine oil leaks/seepage from the head gasket along the right-hand side (tappet rail) of the engine.

Tech Feature: Taking it to the Streets

We have all seen in our industry that a “streetable” racing engine or a “raceable” street engine appeals to a broad spectrum of potential engine buyers because of its flexibility. Yet, everyday street driving is not the same thing as serious drag racing.

Tech Tip: Honda’s V6 Engine Leaks Oil from Front/Middle/Rear

If oil is leaking from the front, middle or rear of one of the above engines, it may be due to the cast aluminum engine block may be porous in spots. Depending on the location of the leak, seal it with JB Weld or 3-Bond-coated sealing bolts.

Tech Feature: The Variables of Valve Timing

Today’s cylinder deactivation designs are used to reduce the fuel consumption and emissions of an internal combustion engine during light load operation.

Dana Launches Industry’s First Eco-Friendly Cylinder Head Cover

Company supplying component from recycled materials for 2010 Ford vehicles.

Tech Feature: Cylinder Head Gasket Service Essentials

Cylinder head gasket design has become more sophisticated than in years past. Critical steps must be taken during the repair process to ensure

When Parts Collide: Volkswagen and Audi Engine Repairs

In the early 1970s, VW/Audi designed a small, efficient and reliable engine that was easy to work on and made use of the then fairly new technology of a rubber timing belt without the possibility of damage if it failed. This two-valve-per-cylinder engine produced excellent power and economy, and really set the standard that many other manufacturers couldn’t match.

Internal Engine Repairs: Uncovering the Culprits That Cause Head Gaskets To Fail

The first symptoms of a failing head gasket are usually a slow loss of coolant with no visible leaks, engine overheating and/or a check engine light with cylinder misfire codes. Uncover the culprits and prevent comebacks by following repair procedures to the letter.

Tech Feature: The Subaru Boxer Engine: A Balance of Power

According to their engineers, these high-powered engines are ideal for all-wheel-drive applications used in Subaru vehicles because they are inherently compact – short and low.