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Author archives: ZF

ZF

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    Shock absorbers and suspension strut mount rear axle

    Suspension strut mount and shock absorber rear axle for KIA Cerato
    May
    7
    2018

    Identifying and remedying damage to the chassis and steering system

    Careless driving and dirt accumulation greatly increase the risk of wear on safety-relevant chassis and steering components. Workshops need to pay attention to typical damage patterns and remedy defects as required. If chassis or steering components are damaged, the person steering needs to expect handling of their vehicle to be critical. Experts at ZF Aftermarket …
    April
    10
    2018

    Replacing control arms. How it’s done.

    Control arms are installed in pairs on the front and rear axle and connect the chassis to the wheels as part of the suspension. They therefore significantly influence the driving characteristics of the vehicle. A dynamic or a comfortable driving style? The control arms are individually adjusted to the vehicle depending on the desired characteristics. …
    March
    12
    2018

    Multi-Stage Torsional Dampers for Commercial Vehicles

    Misunderstandings regularly occur when installing clutches with a permanent PTO as, for design reasons, the springs of the torsional damper sit loosely in the spring recesses. ZF Services would like to point out that this is not a fault.
    July
    29
    2017

    Greasing the hub Spline of Clutch Disks

    If the clutch disk is not greased correctly when it is installed, then fretting corrosion may occur in the hub spline. In this case, the clutch disk will seize instead of sliding along the transmission input shaft. For this reason, ZF Services expressly points out that it is imperative to grease the spline profile correctly. …
    July
    17
    2017

    Clutch Installation – Here’s What to Consider.

    Replacing the clutch of a manual transmission so expertly that the gears can be perfectly shifted again is mere routine for an automotive technician. However, as manufacturer analyses of some clutches that are subject to complaint show there are indeed very few exceptions.
    July
    8
    2017

    Causes of clutch noise

    Clutch noise such as whistling or clonking is not always an indication of a defective clutch. Whistling noises may e.g. also be caused by off-center contact of the clutch release bearing, a non-centered transmission input shaft, or a defective pilot bearing. Rattling noises may be due to load alterations if clutch disks are furnished with …
    July
    2
    2017

    Causes of grabbing clutches

    Causes of grabbing clutches If the clutch grabs, the problem may not necessarily lie with the clutch itself. Worn engine mounts or poor engine adjustment can also prevent smooth clutch engagement. Installing the wrong clutch disk can also cause the clutch to grab. Therefore check: Use of correct parts for the vehicle Associated system components …
    May
    4
    2017

    Identifying faults in the release system

    Specialized knowledge helps prevent damage Many clutch deficiencies in commercial vehicles can be traced to the influence of faulty release systems. These deficiencies also include “capital” failures such as burnt-out clutches or poor disengagement performance, for which one might not initially suspect the release system. Therefore a precise inspection is very important. There are not …
    April
    26
    2017