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Author archives: LuK

LuK

Website: http://www.RepXpert.co.uk

    From Author Subject Date Download

    Drivetrain – Clutch is heavy in operation

    Problem: Damaged gearbox snout Causes: Release bearing damaged Incorrect combination No grease used Incorrect grease used Help: Renew release bearing Check combination Grease bearing and snout Use correct grade of grease
    February
    2
    2017

    Drivetrain – Clutch makes noises

    Problem: Worn or broken torsion damper Causes: Incorrect driving habits; wrong gear selection Help: Renew clutch disc Problem: Bearing running eccentrically to diaphragm fingers Causes: Bearing not centering Help: Renew bearing
    January
    31
    2017

    Drivetrain – Clutch judders

    Problem: Facings contaminated with grease Causes: Excessive grease on splines Loss of grease on release bearing Help: Renew clutch disc Renew release bearing Problem: Facing contaminated with oil Causes: Oil seals defective Help: Renew oil seals and replace driven plate Problem: Damaged gearbox snout Causes: Incorrect lubricant used Wrong combination of components Help: Renew the …
    January
    27
    2017

    Drivetrain – Clutch fails to disengage

    Problem: Cover assembly distorted Causes: Cover assembly not bolted down evenly and sequentially Help: Renew clutch pressure plate Problem: Damaged levers / spring fingers Causes: Incorrect assembly Help: Renew clutch pressure plate Problem: Driven plate distorted Causes: Check driven plate lateral run-out (max 0.5 mm) Help: Straighten driven plate Problem: Tangential straps damaged Causes: The …
    January
    23
    2017

    Drivetrain – Clutch Slips

    Problem: Diaphragm fingers worn Causes: Excessive release bearing pre-load No free play Help: Adjust pre-load Renew clutch assembly Adjust free play Problem: Clutch facing worn out Causes: Normal wear and tear Allowing the clutch to slip for too long Incorrect pressure plate Help: Renew clutch assembly Problem: Clutch facing contaminated Causes: Oil seals leaking Gearbox …
    January
    20
    2017

    Engine Diagnostics – Valve Train Components

    Problem: Wear to the finger follower roller shaft Causes: The load zone of the roller shaft is heavily worn Final stage of wear: The needles in the roller shaft have become loose Help: The hydraulic pivot element and its finger follower must be replaced Problem: Wear of the outer ring of the cam roller Causes: …
    January
    17
    2017

    Engine Diagnosis – Belt Drive Components

    Problem: Teeth sheared off and detached, worn tooth flanks (2) Causes: Severe misalignment e.g. due to assembly error Problem: Teeth sheared off and detached, worn tooth flanks (1) Causes: Insufficient tension e.g. due to assembly error Problem: Abrasion marks on the belt backing and friction material deposits Causes: Misalignment e.g. due to assembly error Problem: …
    January
    12
    2017

    Removal and installation on an Audi A4 with 6-speed manual gearbox

    The single-plate clutch module consists of a Dual Mass Flywheel (DMF) and a diaphragm spring clutch with keyhole tabs or a Self-Adjusting Clutch (SAC). Ralf Kuhlmey, technical trainer at Schaeffler Automotive Aftermarket, presents the single steps of removal and installation of a single-plate clutch module using the LuK RepSet and the matching LuK SAC special …
    January
    6
    2017

    LuK offers advice on fitting clutch in 2006 Ford Transit

    In this month’s article, LuK offers advice on replacing a clutch in a 2006 Ford Transit 2.4 TDCI which has covered more than 150,000 miles where the customer has reported clutch slip under load. Ford released its first-generation Transit to the UK market in 1965 and it has received many facelifts along the way to …
    December
    21
    2016

    LuK’s guide to troubleshooting clutch system failures and malfunctions

    LuK tips on avoiding clutch system failures and malfunctions
    December
    20
    2016