Author archives: INA
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The small dual-mass flywheel in the auxiliary driveThe PYD decouples the belt drive from the rotational irregularities of the internal combustion engine, with a specifically designed arc spring isolating the belt pulley from the crankshaft. The PYD is mounted directly on the crankshaft. It usually also contains a torsional vibration damper, which is needed to limit the natural vibrations of the crankshaft …
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Damage Diagnostics on Chain DrivesCause: Poor quality oil (e.g. water or dirt in oil, used oil) Lack of lubrication (blocked oil nozzles) Very high mileage Corrosion Blocked or not working tensioners Poor running shafts (do not turn smoothly) Cause: Misalignment between the sprockets Poorly running shafts (radial stroke) Chain not running in the guide Rails mis-mounted Damaged sprocket Cause: …
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Damage Diagnostics on Chain DrivesCause: Poor quality oil (e.g. water or dirt in oil, used oil) Lack of lubrication (blocked oil nozzles) Very high mileage Corrosion Blocked or not working tensioners Poor running shafts (do not turn smoothly) Note: The damage can be detected by a well-run chain tensioner or by a test measurement of the chain pitch. Cause: …
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INA: Volkswagen Crafter 2.0 TDI Timing BeltREPXPERT Alistair Mason replaces the timing belt and coolant pump on a 2015 Volkswagen Crafter fitted with a 2.0 TDI common rail engine. The recommended service schedule for the timing belt is 80,000 miles or 4 years (which ever comes sooner), with over 55,000 Volkswagen Crafter’s currently on the UK roads today, this is a …
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INA: Volkswagen Crafter 2.0 TDI Timing BeltREPXPERT Alistair Mason replaces the timing belt and coolant pump on a 2015 Volkswagen Crafter fitted with a 2.0 TDI common rail engine. The recommended service schedule for the timing belt is 80,000 miles or 4 years (which ever comes sooner), with over 55,000 Volkswagen Crafter’s currently on the UK roads today, this is a …
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INA: Air bleeding of hydraulic valve lash adjustment componentsRecommendations to eliminate valve train noise Valve train noise can occur under certain operating conditions (multiple start-ups, cold start, engine initial assembly). Observe the following instructions to ensure rapid bleeding of the high-pressure chamber and reservoir of the hydraulic element: ➜ Keep the engine running at a constant speed of approx. 2,500 rpm or at …
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OAP Technology and QualityINA, inventor of the overrunning alternator pulley (OAP) warns factors and garages to beware of cheap imports and explains why it is worth investing in OE. The power and compression strokes of the internal combustion engine involve the acceleration and deceleration of the crankshaft whose rotational irregularities are transferred to the engine accessories through the …
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How does a water pump work?How does a water pump work? – The INA water pump program
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Service Info: Coolant pump 538 0714 10In the timing system of the vehicles listed here, a manual tensioner pulley is used to tension the timing belt.
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Service Info: Visual differences in finger follower 422 0236 10Two different types of finger follower.
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