Category: Technical & How-Tos

Checking AdBlue/DEF Level On Your TDI

Unlike most diesel trucks, VW does not equip their vehicles with a DEF level gauge anywhere in the instrument cluster.  This makes it hard to determine how much DEF is in the tank, especially when trying to decide how much DEF to add during a refill. Spilled DEF can be messy and hard to clean ...

Colorado ZR2 Duramax: The Best Factory Package Ever?

Last year Chevrolet re-introduced their compact pickup, the Colorado (or Canyon in GMC form).  We were excited to see that Chevrolet fulfilled their promise to offer a diesel-version.  The stout 2.8L inline 4-cylinder engine was torquey down low and made all the right noises.  We came away from our test drives impressed, though worried there ...

What to do if your diesel fuel gels

If you can’t start your diesel after a colder-than usual night, or if the engine is running rough and with low power, you might be experiencing fuel gelling.  Read more about fuel gelling, how to prevent it and what to do about it if it occurs.

BMW 335d Tune Update

Earlier this year we added a 2011 BMW 335d to our project car lineup. The car’s been trouble-free since purchase. All we’ve done is some routine maintenance (oil and filter, cabin and air filter) and we’ve made a few improvements. First was to jettison the heavy OE wheels and run-flat tires for Kosei wheels and ...

Rebuilding Your TDI Fuel Injectors

First, let’s get this out of the way: Fuel injectors are a wear item on all diesels, including the VE, or rotary pump TDIs sold in North America from 1996 through 2003. Although projected wear rates vary, by the time your TDI approaches a quarter million miles, odds are the nozzles are worn and the ...

Diesel Engine Runaway – What is it? What do you do about it?

Engine runaway is a dangerous condition that is more common in diesel engines than gasoline engines. Read on to learn how to handle this situation!

A

ALH TDI Thermostat Replacement

If your TDI is not reaching full engine temperature and the air coming out of the vents is not very hot even on the hottest setting, it may be time to replace your thermostat.  Luckily, replacing the thermostat on an ALH is a straightforward affair.

CRD Glow Plugs – 5 Volt or 7 Volt?

If your Jeep Liberty CRD needs replacement glow plugs, you might be confused by the different options, including choosing 5 volt or 7 volt editions.  This guide will walk you through making the right choice.

Mk V Jetta/Golf/Sportwagen Rear Brake Change How-To

This how-to details the procedure for changing the rear brakes on any Volkswagen on the A5 chassis. The process is the same for gas and diesel models. Required Parts: Rear Brake Set (A5) Includes everything you need to change the rear brakes on your Mk. V Jetta or Sportwagen. Required Tools 13mm Wrench 19mm Wrench ...

How To: Chevy Cruze Under-Tightened Intake Clamps

The Gen1 Chevy Cruze Diesel has had its fair share of emission sensor failures over the years. Many owners speculate that the sensor failures are related to un-metered air entering the vehicle’s system. The Cruze uses a MAF(Mass Airflow) sensor to obtain a measurement of airflow that is entering the vehicle’s intake system. The MAF ...