Genuine Saturn Ion Timing Chain

Saturn Ion Timing Chain Parts Questions & Answers

• Chain Assembly, Timing
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  Q: How do you remove and inspect the Timing Chain and Sprocket for Chevrolet Cobalt,HHR and Saturn ION?

  A: If you want to clear and inspect timing system components, start by disconnecting the negative battery terminal and removing the spark plugs, valve cover, oil pan, and drive belt. Remove the drive belt tensioner and engine front cover next before setting the No. 1 piston at TDC by lining up marks on the crankshaft sprocket with intake camshaft sprocket and exhaust camshaft sprocket. Remove timing chain tensioner, upper timing chain guide, adjustable timing chain guide. Then remove bolts on exhaust camshaft sprocket and intake camshaft sprocket discarding them while installing new ones for reassembly. Be careful when removing the timing chain through the top of Cylinder Head so as to avoid rotation of camshafts or crankshaft. Take out the timing chain drive sprocket and also remove the timing chain oiling nozzle from engine block. Every element should be checked for wear or damages and any that is in doubt replaced. Ensure that the crankshaft sprocket's timing mark is correctly positioned during installation while tightening a new bolt which secures an installation of an intake camshaft sprocket. Place back resetting "INT" end link on bright colored link at intake camshaft sprocket after lowering a timing in its place. A fixed link must be engaged onto crank shaft sprockets' times mark for adjustment chain guide to be mounted as well as a new bolted exhaust camshaft sprocket along with an upper one followed by an upper one too. Finally tighten all bolts according to torque values given for each of them. The suggested steps below are used in compressing a tensioner of a timing chain as it is installed into its place; apply RTV sealant to threads of a plug access to a timber guiding at a time plug access sealing application takes place/insertion is made; reinstall valve cover/engine front cover/ crank case refilled with fresh oil/attach battery/restart engine, check for leaks. The process should be handled by an expert because it can damage the engine in any error. Recheck tasks to ensure that timing marks are properly aligned before starting the engine.