Category: Technical & How-Tos

How do Clutched Alternator Pulleys Work

Most modern vehicles have clutched or so called one-way or decoupler pulleys.  Proper operation of these pulleys is vital to alternator health and the health of other components, especially the serpentine belt tensioner.

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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.

Limp Mode After Oil Cooler Seals on OM642

If you are experiencing limp mode after replacing the oil cooler seals on your OM642 engine in the Jeep Grand Cherokee CRD, Sprinter Vans or Mercedes BlueTEC models the good news is that it is probably an easy fix.

Baby D-Max Update #1 – Issues, MPGs and Mods

Back in March, we took on the 2016 GMC Canyon 2.8L Duramax here at IDParts as a project vehicle.  So far, we’ve put a healthy 3,000 miles on our 2016 Canyon.  This time frame included the end of winter, with a few surprise snowstorms, spring rains and now the warmer weather as summer approaches. As ...

Mercedes Oil Cooler Seal Leak on 3.0L V6 Engines

The 3.0L V6 Mercedes Diesel engine has proven to be a strong and reliable motor.  This engine is used in everything from an E-Class sedan up to the 3500 dually Sprinter vans.  The combination of power, durability and fuel economy makes this engine a superior choice everywhere it is used.  The Achilles heel of this ...

Yes, the 2.8L Duramax is a cousin of the Jeep CRD 2.8L from VM Motori

Is the 2.8L Duramax the same as the Jeep Liberty CRD 2.8L? We get asked this question all the time here at IDParts, and we’ve noticed there is a lot of confusion about the actual source of the Colorado/Canyon 2.8L Duramax engine. It isn’t a “real” Duramax or even a “GM” engine, and it isn’t ...

WeatherTech AlloyCover Review

WeatherTech’s line of Made-in-USA tonneau covers come with WeatherTech’s reputation for great build quality and fit that they built on their lines of floor mats.  Will WeatherTech’s new offering be compelling enough to be chosen over existing options?

VW Announces the EA288 Evo – a 2.0 TDI “Mild Hybrid”

Hybridization of the diesel engine has been done here and there mostly by Mercedes Benz.  Ultimately, adding a hybrid drivetrain to a diesel engine has complications that gasoline-hybrids don’t suffer from, namely cost (diesel engines are already more expensive to make than gasoline engines) and decreasing returns (diesel engines are already efficient, sometimes as efficient ...

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