Tag: ALH Engine
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.
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 ...
How To Test Glow Plugs
Learn how to test your glow plugs with a multimeter.
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.
Adjusting ALH Injection Pump Timing
In this video we will watch Corey from IDParts.com as he adjusts the injection pump timing on a 2003 Jetta TDI with engine code ALH. He will overview both the mechanical adjustment and show the TDI Timing Graph feature of VCDS.
MkIV Jetta Winter Front Installation
We show you how to put the idparts Winter Front on your Mk. IV. The winter front helps your ALH or BEW engine warm up and stay warm when the temperature drops.