Category: Volkswagen

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Replacing Alternator Pulley In-Car – List of VW Models & Difficulty

Replacing an alternator pulley without removing the alternator requires skill, the right tools and a cooperative engine bay design.  We’ve compiled a list of VW diesels that we work on and listed how difficult it is to replace the pulley with the alternator still installed in the vehicle.

Adjusting Displayed Fuel Economy on Mk7 TDI

If your in-cluster display (aka MFD) is displaying MPG numbers that are not accurate you can correct this and bring the MPG numbers closer to reality by adjusting the calibration number using VCDS.

Buying a Fixed TDI? Things to Check!

BostoVolkswagen is auctioning bought-back TDIs to dealers for fix and resale. There are quite a few available (3,400 on cars.com last time we checked) and they appear to be selling well. Many TDI fans see this is their last chance to snag a nearly-new TDI, as VW says they won’t be importing any in the ...

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 ...

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 ...

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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.

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 ...

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VW 01M Automatic Transmission Service ALH TDI

In this video Corey completes a fluid and filter service on an 01M 4-speed automatic transmission in a Mk4 Jetta TDI ALH. The 01M automatic transmission was first introduced in 1995, and was used on many VW models until 2006.

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ALH Alternator Replacement How-To Video

In this video Corey from IDParts.com replaces the alternator on a Mk4 Jetta TDI with the ALH engine.  This will be the same procedure on a Mk4 Golf TDI and New Beetle TDI with ALH engines, though the New Beetle will have less room and may require more disassembly.

Check ALH Injection Pump Timing

On the ALH engine the injection pump timing is measured using a scan-tool, like a VCDS tool. Procedure Turn on the vehicle and open VCDS Click on 01-Engine Click on 04-Basic Settings In the group field, enter “00” and “GO” button A new window with a graph will appear Select the Mk4 ALH Engine in ...