Subaru Wrx Forester Sti Secondary Air Pump Fault

What’s a Secondary Air Pump? To meet the ever more stringent emissions targets being placed on manufacturers, Subaru introduced a secondary air injection system on all turbocharged models manufactured from around 2004 onwards. Specifically, the system is fitted to the 2.5L turbo engine found in the MY06-on Forester XT, MY07-on Liberty GT and MY06-on Impreza […]

Under The Hood Of Subaru’s 2nd Generation Boxer Diesel

Source: Fuji Heavy Industries In recent years, being environmentally friendly has become an important feature for new passenger cars. Diesel cars, which produce lower CO2 emissions, dominate new car sales in Europe, taking a 50% share of the market. It was for this reason that in 2008, Subaru launched the Euro 4-compliant boxer diesel Legacy. […]

How Sway Bars Work

Stabilizer bars are part of a cars suspension system. They are sometimes also called anti-sway bars or anti-roll bars or sway bars. Their purpose in life is to try to keep the car’s body from “rolling” in a turn. Think about what happens to a car in a turn. If you are inside the car, […]

How To Determine Which Fuel To Use

Original Article: Car Advice Non-car enthusiasts are very confused by this question. And the fuel companies haven’t helped – the number of different retail fuel products beggars belief. In the past few years we’ve seen an explosion in the number of fuel products – many of which bear absolutely no resemblance to the way fuel […]

Keeping Your Engine Cool When All Others Are Boiling Theirs

By Anthony Parle Have you ever had the not so enjoyable pleasure of boiling your car every time you push the revs up or drive it hard, you watch the temp needle rise?  You have been doing well in the race but you had to back it down or you are going to cook your […]

GFB Blow Off Valve Faqs

More details on GFB products can be found on our on-line shop here. How a GFB BOV works: A GFB valve operates on a pressure differential between the intercooler and the intake manifold. If they are both at the same pressure, i.e. WOT, the pressure top and bottom is equal and there is no resultant force. […]

Disc Rotor Machining – Slotted And Cross Drilled Rotors

Disc Rotor Machining – Slotted and Cross Drilled Rotors The introduction of slotted and cross drilled rotors has left technicians asking the question “Can they be machined?” The answer is “Yes – but there are some important things to remember”. When machining any disc rotor it is important to make sure that all the mounting […]

Water Spray Kit For Evo X MR And SST Transmission Models

MRT develops, fits and tests a water spray kit for the EVO X with SST transmission (that has no kit factory fitted). For some unknown reason Mitsubishi chose to omit the water spray function on these models, it is however fitted to the GSR (5spd) model, like the one that MRT uses for R&D. Using […]

How To Drift Like A Professional

There are many different ways to drift a car – below are different techniques on how to do this, (Note: ABS and TCS should be turned off before attempting to drift. These systems are not made to take into account a driver wanting the car to slide. Also, please do not practice this on the […]

Pioneering The Anti-lock Braking System (ABS)

It was 31 years ago in August 1978 that Mercedes-Benz presented the second­generation anti-lock braking system (ABS), developed together with Bosch, to the press in Untertlirkheim, Germany. This world-first enabled a driver to retain steering control even during emergency braking. From December that year the innovation became available to customers, initially in the S-Class sedans […]

How A Gearbox Synchro Works

When you start to engage (any) gear the synchro ring and hub create friction as they begin to mesh as they are both spinning at different speeds. Once they match they engage with the dog teeth onto the drive gear. (That’s why a dog box is faster to change gears, it has no synchros to […]

Car Handling Explained

COMMON HANDLING PROBLEMS When any wheel leaves contact with the road there is a change in handling, so the suspension should keep all four wheels on the road in spite of hard cornering, swerving and bumps in the road. It is very important for handling, as well as other reasons, not to run out of […]

EVO And Ralliart SST Transmission Wear And Maintenance

Whiteline have carried out some more laboratory analysis on the stock Diaqueen SST-F fluid today. The fluid sample was an interesting one because: This sample is from a Ralliart Lancer As a rule these cars load the transmission less hence wear should be lower This car had been used on the track Sample had completed around […]

Oxygen Sensors Explained

Oxygen sensors cannot be cleaned, that is why checking for and replacing a worn out or damaged sensor should be and important poart of every routine service. Replacing a worn-out sensor will not only imporve a vehicle’s performance and reduce harmful exhaust emissions, but it can save hundreds of dollars a year in fuel costs. […]

What’s Inside Oil That Makes It Perform?

Since lubricating engine components – reducing friction for smoother running and optimal efficiency – is only part of what engine oil must do, it needs assistance to fully protect an engine. That’s where the additives come in. One of these additives is detergent. Not the type of detergent we’re familiar with in a domestic context […]

Evolution of the Forester Turbo

The Forester is an all-wheel drive Compact Sports Utility Vehicle (SUV) manufactured since 1997 by Subaru — currently in its third generation and now marketed as a compact crossover. Originally introduced to the Australia in 1998, the Forester shared its platform with the Impreza up to the third generation and now features a hybrid platform […]

Lancer Evo X Aerodynamics

Written by: Satoshi KATAOKA, Norimasa HASHIMOTO, Masahiro YOSHIDA, Tomio KIMURA, Naoki HAMAMOTO ABSTRACT Aerodynamics technology for the LANCER EVOLUTION X was developed not only to reduce drag but also improve lift and cooling performance. The applied aerodynamics technology includes the nose shape like that of a shark, the cooling, the rear spoiler shape, etc. As […]

WRX And STi 2.5L Conversion Tips

Have a pre MY05 WRX or STi and thinking that you’d like the extra torque and bottom end of the 2.5L engine, but are still really enjoying your car and do’t want to trade up? You’re in good company, and like the many others who feel the same way, we bet you have or are considering […]

Evolution Of The Liberty Turbo

The Liberty is a mid-size car introduced by the Japanese manufacturer Subaru in February 1989 as a larger companion to the company’s Leone/Loyale. Worldwide distribution started in 1990. In all other markets, the Liberty is called the Legacy but in Australia it is named the Liberty out of respect for Legacy Australia, an organization which aids […]

Subaru Premium Synthetic Vs Mobil 1 5W30

Which is better for my Subaru, the Subaru Premium Synthetic product as used by Subaru dealers or Mobil 1 products such as Mobil 1 5W40? It might surprise you, but the Subaru Synthetic is made from a “Group 3” base stock. This means that the based stock is a highly refined mineral oil not fully synthetic like […]

BG Liquitech Fuel System & Throttle Body Service Kit

Fuel system maintenance is essential on modern vehicles. A complex network of electronic sensors control combustion, performance and exhaust emissions. Contamination from modern fuel interferes with the accuracy and efficiency of combustion, leading to poor fuel atomisation, excessive fuel use, high pollutant emissions and loss of performance. Heavy deposit accumulation in the throttle body assembly […]

Origins of WD-40

Before you read to the end, can you name the main ingredient of WD-40? ‘Water Displacement #40’ The product began from a search for a rust preventative solvent and degreaser to protect missile parts. WD-40 was created in 1953 by three technicians at the San Diego Rocket Chemical Company. Its name comes from the project […]

Evolution of the Lancer Evolution

The Mitsubishi Lancer Evolution (colloquially known as the “Evo”) is the Mitsubishi’s flagship sports car. There have been ten official versions to date, and the designation of each model is most commonly a roman numeral. All of them share a two litre, turbocharged engine and four-wheel drive system. Evolution models prior to version VII were […]

Why Fit Bigger Sway Bars?

The fitting of larger sway bars (rear and in general) has two main effects, vehicle balance in terms of understeer and oversteer, and increased roll resistance. Both of these can provide increased overall grip levels that can be achieved by the vehicle. As most factory vehicles are biased towards understeer, fitting of the larger rear […]

Evolution Of The STi

Subaru Tecnica International (STI) was created with the foremost task of establishing a full scale Subaru entry into the World Rally Championship. STI managed the contract to build the first factory Group A Liberty as well as developing much of the technology behind it. Whilst preparing to enter the WRC, STI campaigned the Liberty in the local […]

Evolution of the WRX – Part 2

In the first part of series, we focused on the original WRX that arrived in Australia in 1994 and carved itself a unique niche in the market as a thrilling pocket-rocket, delivering the performance and handling of cars twice its price. From the bug-eye model of late 2000, Subaru started a deliberate policy of broadening the appeal of the WRX […]

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