Question about Cars & Trucks
Oil pump chain lose on one side need to strip engine how to let timing gears align whitout doing damage
Pull of the timing cover to reveal the chains turn the engine over until all the timing marks line up on tdc. From there on do not turn anything when you remove any chains and it will all go back together ok.
Posted on Jan 03, 2014
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Posted on Jan 02, 2017
It's more to it than aligning the marks since the cam pulleys turn about three times or more to one turn of the camshaft on this engine. You need to find someone that is experienced on this vehicle.
Posted on May 13, 2009
There should be plated links on those chains too. There is an index dot in both cams on each head that set at the twelve o'clock position.
Posted on Jun 09, 2009
Yes be sure the number one piston is at TDC firing stroke or compresson stroke and line up the timing mark pointer is pointed at exactly zero. One more thing when aligning the camshaft sprocket or sprockets be sure that when you are rotating the sprocket for the cam it is rotating in the correct direction and also be sure you observe the intake valve for number one shutting as you bring the marks up to alignment points, the intake valve and the exhaust valve should be shut when the marks line up if not you could have the cam sprocket off 180 degrees, get it right the first time or you may damage a valve trying to start.
Posted on Dec 29, 2009
Tips for a great answer:
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2. TMMK made: Use Special Tool 09960-10010 to hold the pulley to remove the bolt. Use Special Tool 09950-40011 to remove the crankshaft pulley
Fig. Removing the crankshaft pulley-TMC-2.4L (2AZ-FE) engine
Fig. Removing the crankshaft pulley-TMMK-2.4L (2AZ-FE) engine
Remove or disconnect the following:
Crankshaft position sensor Lower oil pan No. 1 chain tensioner Accessory drive belt tensioner
Fig. Align the adjusting hole of the oil pump drive sprocket with the oil pump groove-2.4L (2AZ-FE) engine
Fig. Insert a bar to lock the sprocket in position-2.4L (2AZ-FE) engine
Put a bar in the adjusting hole of the oil pump driven sprocket to temporarily lock the sprocket in position. Remove the nut.
Remove the bolt, chain tensioner and spring.
Remove the chain tensioner, oil pump sprocket and No. 2 timing chain.
Set the crankshaft key into the left horizontal position. Turn the cutout of the drive shaft to the top
Fig. Align the crankshaft key and drive shaft cutout as shown for installation-2.4L (2AZ-FE) engine
Align the yellow colored links with the timing marks of the sprocket as shown in the illustration.
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