Failed Serpentine Belt Tensioner Causes
IDParts Blog
by IDParts
2d ago
What does the serpentine tensioner do? The serpentine belt tensioner is a vital component of the accessory belt system. It maintains proper tension, so the belt remains tight around the pulleys it drives. The belt provides power from the crankshaft to engine accessories such as the power steering pump, the alternator, and the air conditioning compressor.  Proper tension is essential for efficient power transfer and to prevent the belt from slipping. The serpentine belt will naturally stretch over time and the tensioner can compensate for this by automatically adjusting tension to maintain ..read more
Visit website
TDI 101: The “PD” Pumpe Düse Engines
IDParts Blog
by IDParts
1M ago
For a few years before VW adopted common-rail technology a unique “unit injector” injection system was used. Read all about VW’s experiment, which engines used it and what the problems are. Which TDIs Used the PD type Engines? VW used the PD style in TDI engines for US model years 2004-2008, including: 2004-2006 Mk4 Jetta Wagon TDI , Golf TDI and New Beetle TDI – engine code BEW 2004-2005 Mk4 Jetta TDI (Sedan)- engine code BEW 2005.5-2006 Mk5 Jetta TDI (Sedan) – engine code BRM 2004-2006 B5.5 Passat TDI – ending code BHW 2004-2008 Touareg TDI with V10 Engine – engine codes BKW & BWF What ..read more
Visit website
PSA: Tandem Pump Failure Can Lead to Camshaft Failure
IDParts Blog
by IDParts
1M ago
The tandem pump on PD TDIs can leak diesel fuel into the head, causing camshaft failure. PD Camshaft Failure Background The PD family of VW TDIs is known for camshaft wear and premature camshaft failure. This can lead to a variety of issues. Read our article about PD Camshaft Failure for more information. What is the Tandem Pump? The PD engine uses a two part pump on the back of the head (drivers side on transverse engines) where typically the vacuum pump would go. This two-part pump is both a vacuum pump and a medium pressure fuel pump sandwiched together in a tandem format and therefore it i ..read more
Visit website
Mercedes Diesel OM642 Actuator Replacement
IDParts Blog
by IDParts
2M ago
Replacement actuators are now available for the OM642 turbocharger, but it is important to find the correct version. OM642 Turbocharger Information The Mercedes OM642 turbocharger uses variable internal vanes, also referred to as a VNT, in order to direct airflow through the turbines which increases or decreases turbocharger pressure. On the OM642 motor the vanes are controlled by an electronic servo motor bolted to the outside of the turbocharger. It is circled in the photo below. P2510 Fault Code for Component Y77/1 The P2010 code referring to component Y77/1 being faulty is an indication th ..read more
Visit website
Find VW Repair Manual Online
IDParts Blog
by idparts
1y ago
The end of an era has arrived for TDI owners and mechanics alike. For decades, paper repair manuals like the Bentley manuals have been the go-to source of information for fixing VWs. However, since 2009, VW has decided to switch to an online platform for repair information. This platform is called erWin and can be found at erwin.vw.com. In this article we’ll review what it is and how to use it… erWin is an online portal that provides comprehensive and up-to-date repair and maintenance information for all Volkswagen models. The system includes wiring diagrams, service schedules, technical servi ..read more
Visit website
Is the DEF Additive Supply Line Mercedes BlueTEC covered under the extended warranty?
IDParts Blog
by idparts
1y ago
The Mercedes BlueTec Settlement gave cars and extended warranty on most of the emissions and fueling system, including the diesel exhaust fluid (DEF) or additive system… What does the DEF Additive Supply Line Do? The DEF Additive Supply Line connects the additive pump (aka sending unit) – which is typically located in the DEF tank to – to the DEF injector which is attached to the exhaust system before the NOx catalyst. What is covered under the Mercedes BlueTEC Extended Emissions Warranty? This varies slightly by vehicle, but largely the following components are covered: Diesel Oxidation Cata ..read more
Visit website
Determining Liberty CRD Head Gasket Size
IDParts Blog
by idparts
1y ago
Choosing the right thickness head gasket is vital to ensuring your engine runs properly and without expensive damage! When speaking of ‘head gasket size’ what is being referred to is the thickness. Why are there different size head gaskets? When installing a new head gasket the right one must be chosen. If too thick a gasket is installed the compression could be below specification resulting in poor power and fuel economy. If too thin a head gasket is installed there could be internal damage to pistons and valves that run into each other while the engine is running. There are three CRD head ga ..read more
Visit website
All About Switchable Water Pumps
IDParts Blog
by idparts
1y ago
If you need a water pump for your newer diesel you’ll need to decide what type of water pump to buy – swtichable or non-switchable. We’ll review the pros and cons of both water pump options. What does Switchable Water Pump Mean? A so-called switchable pump is a water pump design which can change the amount of coolant that it pumps via some sort of mechanical funciton. Why do Switchable Water Pumps Exist? Since water pumps are locked to spin at the same rate as the engine the pump cannot vary its pumping volume due to any factors other than RPMs. This means that the water pump will pump the sam ..read more
Visit website
VW 6-Speed Clutches: LUK and Febi and Sachs – OH MY!
IDParts Blog
by idparts
1y ago
Shopping for a new clutch for your 6-speed VW TDI can be confusing. Single-mass, dual mass, auto-adjusting, matching flywheels, it is all sort of a mess. Let’s make some sense of it… VW 6-Speed Transmissions The first thing to know is that all VW 6-speed transmissions on VW TDIs, factory and retrofit, can use the interchangable clutches. They are all based on a 240mm diameter flywheel and hydraulic throwout bearing. Complete kits that include a new flywheel are available from LUK, Febi-Bilstein, SACHS and Valeo. While the assemblies are all interchangable, the components are not always interch ..read more
Visit website
Why Do Brakes Squeal/Squeak?
IDParts Blog
by idparts
2y ago
We’ve all been there – you pull up to a stop sign or intersection slowly, press on the brakes slightly and hear ‘SQUEEEEEEEEEEAAAAAAKKKKK!!!’…embarassing to say the least as it seems everyone in the same zip code turns their head to look at your vehicle, wondering what is wrong with your car and why you haven’t fixed it yet. Well, todays the day, lets get into why this happens and what you can do about it… The Physics of Noise To understand why this is happening, its useful to understand the basic building blocks of noise, especially squeak type noises. Sound is produced by virbating objects ..read more
Visit website

Follow IDParts Blog on FeedSpot

Continue with Google
Continue with Apple
OR