Valve Lifters/Lash Adjusters

TECH BULLETINS

TT00008 - Valve Lash Adjustment For 2002-2008 Nissan 2.5L QR25DE Engines

TT00018 - Intermittent Valve Lash Adjuster Noise On N51, N52 or N52K BMW Engines

TT00025 – Ticking Noise or Misfire on 2005-14 GM V8 Engines with AFM

TT00028 – Revised Cylinder Block on Cummins ISL and QSL9 Engines

TT00032 – Camshaft and Lash Adjuster Design Change For 2005 Ford 5.4L VIN 5 Engines

TT00033 – Valve Lash Adjustment on 2005-2012 Nissan 4.0L VQ40DE Engines

ARTICLES

"Adjusting Hydraulic Lifters For Proper Preload"

"How Hydraulic Valve Lifters Work"

"The Lives Of Lifters: What You Need To Know"

"Why Must I Install New Lifters With My New Flat Tappet Camshaft?"

"Choosing Valvetrain Components: Lifters, Pushrods, Springs & Rockers"

"How to Determine Valve Lash"

"Using Valve Lash to Help Tune the Engine"

"Valvetrain Stability"

"Busted Valve Lash Myth"

VIDEOS (YouTube links)

"Anatomy Of A Hydraulic Lifter/Push Rod Adjustment"

"Lifter Inspection And Cleaning (Mitsubishi 2.0L 4G63)"

"How To Set Valve Lash"

"Principles Of Valvetrain Geometry And Checking Proper Geometry"

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