Tech Tip: Dozens of Additional Vehicle Models Now Factory-Equipped with OAD Decouplers
Dozens of the latest vehicle models from domestic and import manufacturers are now factory equipped with overrunning alternator decouplers (OAD). The rapidly growing popularity of this sophisticated technology – now featured on more than 60 popular applications – is changing the way parts providers and repair professionals specify alternators, belts and pulleys for replacement applications.
Tech Feature: Detecting Misfires in OBD II Engines
With OBD II, there’s no missing misfires. Most engine control systems with OBD II monitor the speed of the crankshaft between cylinder firings to detect misfires. The powertrain control module (PCM) notes the relative position of the crankshaft via the crankshaft position sensor (CKP) each time a trigger pulse is sent to the ignition system.
Kia Preventive Maintenance: Chassis, Engine & Brake Repairs
More Kias on the road means more repair and maintenance opportunities for the import car specialist, so don’t let them pass you by. In this article, Bob Dowie focuses on the most common problems and maintenance items that have them finding their way into your bays – like check engine light, brake and chassis repairs.
Tech Tip: Hyundai Sonata Runs/Idles Rough/ DTC P0335 Set/MIL ON
This TSB has been revised to add a procedure to index the oil pump/balance shaft sprocket. Not properly indexing the sprocket may cause an engine vibration mostly noticed at 3,500-4,000 rpm.
Tech Tip: Multiple Cylinder Misfire or Rough Idle on Chrysler Models
This bulletin involves rotating all engine exhaust valves, replacing the valve spring retainer locks with a new design to increase valve rotation at lower rpm, inspecting/replacing the MAP sensor (as necessary), and decarbonizing the combustion