Category: Mk5 Jetta TDI 2005.5-2006

Biodiesel: A Guide

Biodiesel is an exciting alternative fuel that can be used as a supplement to traditional diesel fuel that offers dramatically lower emissions and is renewable.  But, running it isn’t always simple.  This guide overviews some biodiesel basics and which cars should or should not use biodiesel.

How To Test Glow Plugs

Learn how to test your glow plugs with a multimeter.  

A5 Jetta Winter Front Installation

We show you how to put the idparts Winter Front on your A5 Jetta TDI. The winter front fits 2005-2010 Jetta sedans, plus the 2009 Sportwagen. Installation only takes a minute & the winter front will help your engine warm up and limit intercooler icing, a common problem with TDIs in the winter months.

TDI Turbos Demystified

It can start with a screeching sound on acceleration, a “pop” and a cloud of white smoke, or, at its worst, your car accelerating uncontrollably—a runaway. Or your TDI just stops making power. No matter how it happens, your turbo has failed. And the next question is usually, “Should I upgrade?”   Choosing between a ...

The Best Diesel Fuel Additives

There are many, many different fuel additives available for diesels. A quick google search or a stroll down the aisle at your local parts store will give you plenty of options from which to choose.  Are they necessary and which one is the best?

TDI Service Schedules

Full list of VW TDI service schedules broken down by platform.

How to Bleed & Flush Your Brake Fluid

In this video, we’ll show you how to flush the brake fluid on a MkIV Jetta by using a Motive Power Bleeder.

TDI Mileage over the Years

TDI mileage has been all over the map in recent years. We pulled together data from all over the diesel world to find out why.

Yellow Sport vs. Special Actives vs. STR.T – Choosing the right KONI Shock Absorber

Everything you ever wanted to know about Koni Shock and Struts.   Basically Koni makes three types of dampers: Twin tube hydraulic (Reds and Orange) Low pressure gas (Yellows and Coilovers) Frequency selective damping (FSDs) Reds have been around the longest, and are twin tube hydraulic dampers that are adjustable outside the car. So you ...