Question about Toyota Cars & Trucks
1990 timing belt marks, 2L engine, diesel
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Posted on Jan 02, 2017
SOURCE: toyota hilux 1984 timing
looking at the gears the upper one is on the gear its a dot. it goes flush with the valve cover mating surface to the right. gear on the right lower has a line and it goes pointed up with a mark on the block. crank gear has a v grove and an arrow on the block just under idler adj good luck man mark as fixed thanks
Posted on Sep 20, 2008
I have just replaced my water pump on my 1998 RAVE4, also, the timing belt and the other two belts. I had a tough time with the timing marks. The way you line these marks up is easy if you take the time, First, if you are changing the timing belt you pull the balancer and both top and bottom plastic covers,(do not try to pull top cover off before you take off balencer and the motor mount off or you will just break it.), Second after covers are removed you will have access to the timing belt, you can now remove it by loosening the tensioner bolt and pushing down on the tensioner wheel, the belt then can be taken off. Third take out number one sparkplug and replace the bottom cover by maybe two bolts so that you can see marks on cover, next replace the balancer and bolt. Turn the motor over by hand with the balancer so the small divit on the back of the balancer is on 0 or top dead center on the compression stroke, you can use a compression gauge for this or I just used a mirror and light to shine in the number one cylinder to see the piston. Next remove the balancer and cover and make sure to make a mark on crankshaft gear and housing. Next you will need mirror and flashlight, now turn camshaft gear clockwise to line the hole in the gear with the top timing mark. I recommend a small circle mirror for this. Now replace the belt. I turned the crank shaft gear one tooth counter clockwise off mark and the camshaft one tooth clock wise off mark so when the belt is on you can turn the camshaft gear counter clockwise to get tension on the belt and marks will line up. I would recommend changing water pump,tensioner wheel, and the idler wheel. After belt is on I would replace the bottom cover the balancer and the crankshaft sensor. Iwould then start it to make sure the water pump is not leaking and the motor is not pinging or you will have to tear it back apart again. Good luck and no I am not a certified mechanic just thought this would be helpful from my own experience.
Posted on Apr 30, 2009
there should be a mark on the crankshaft pulley there should be a mark on the camshaft pulley and they should line up but to be sure bring the motor to tdc then line your mark up on your camshaft
Posted on Aug 26, 2009
If you don't know what your cam timing mark is and the cam belt is off, make sure that the crankshaft is on Top Dead Centre (TDC). Turn it clockwise using the pully bolt until the timing marks lign up. If you feel any resistance, go back a little and move the cam shaft about 45 degrees as the piston is making contact with a valve. Carry on with the crankshaft until it is right. Take the rocker cover off and turn the camshaft until the inlet and exhaust valves on the rear cylinder are both opening an equal amount. You will see the camshaft lobes pushing them open. If you feel too much resistance move the crankshaft around a little to let the valves clear the pistons, then move the crankshaft back. If you look at the front cylinder, you will see that both valves are fully closed. This is TDC. See if you can find a mark and what it is lining up with. When you have reassembled everything, using a spanner on the crankshaft nut, turn the engine over clockwise for two full revolutions and if it turns without locking up (pistons touching valves) and all the timing marks still line up you can start it up. If your pump timing is still correct, you should be done. Don't run the engine with the rocker cover off or you will get oil everywhere.
Posted on Feb 19, 2010
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