Crankshaft Archives - Page 4 of 5 - Brake & Front End
Tech Tip: Multiple Cylinder Misfire or Rough Idle on Chrysler Models

This bulletin involves rotating all engine exhaust valves, replacing the valve spring retainer locks with a new design to increase valve rotation at lower rpm, inspecting/replacing the MAP sensor (as necessary), and decarbonizing the combustion

Bearing Down on Engine Damage

Internal engine inspections provide clues to bearing failures.

Tech Tip: An Economical And Effective Way To Refinish A Seal-Worn Shaft

Grooves from shaft wear can allow oil to leak out, which can result in bearing damage and failure.

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.

Tech Feature: Servicing Ford’s 3.0L Engine

The 3.0L Duratec V6 was introduced in 1996 to replace the aging 3.8L V6 in the Ford Taurus and Mercury Sable. Unlike its conventional pushrod predecessor, the 3.0L V6 has dual overhead cams, four valves per cylinder and an aluminum block with cast-iron cylinder liners.

Second Generation Repairs: Servicing the GM 3800 Series II Engine

The GM 3800 Series II engine, introduced in 1995, is quite a different engine from its predecessor, the Series I engine. While the stroke for the 3.8L engine remained at 3.4″ (86 mm), and the bore remained at 3.8″ (97 mm), the engine architecture changed dramatically.

Tech Tip: GM Drivers Rattled By Engine Noise

Some GM truck, SUV and minivan owners may complain about a rattle-type noise coming from the engine area at approximately 1,800 to 2,200 rpm. The rattle-type noise may be caused by torsional vibration of the balance shaft. To fix the problem, follow the service procedure below for installing a new tensioner assembly kit.

Tech Feature: Engine Builders Have More Options Than Ever

The foundation of every engine is the cylinder block. Whether you are rebuilding a stock engine or building up a street performance engine, a circle track engine, drag engine, marine engine or whatever, you have to start with a good, solid block that’s machinable and free from cracks and other defects. That’s becoming more and more of a challenge in recent years because good cores for popular domestic engines are getting harder and ….

Tech Tip: Tackling Timing Belts

Several years ago, the phone rang about 10 a.m. with a voice on the other end introducing herself as the service writer for a well-known import shop in a nearby state. The conversation revealed that the son of a very good customer had broken the timing belt on his 2000 Toyota Pathfinder. Based upon the mileage of the vehicle, the import shop had previously recommended a timing belt replacement on the 3.4 L engine, but the owner had postponed the ….

Engine Tuning & Chassis Upgrades

When car manufacturers come out with a new engine design, some car enthusiasts eye the new technology from a perspective of how to squeeze more performance out of it. The smaller displacement engines that are turbocharged or supercharged tend to be the most likely chosen because of their power-to-weight ratio. When Saab introduced a turbocharged

Hot Tips From Hot Rod Builders

Sometimes the best opportunities are cleverly hidden in plain view. As one example, when Chris Lafferty of Lafferty Engine Creations was asked why he opted to expand beyond race engines into the hot rod and muscle car arenas, he snorted, “Just look outside.” His North Carolina facility sits squarely in the middle of both NASCAR

BMW Engine Repairs

Though six-cylinder, inline engines are not as popular today as they were just 25 years ago, their sound and layout still translates well into high performance, durability and smoothness. The six-cylinder M50 series was originally used in 5 series cars in the early 1990s, and is now the basis for the 3 and 5 series