How to set time belt back - 2007 Suzuki Forenza

On the pulley, they are marks that line up with a mark on the head. That is TDC for the cam. Then set the crank to 0 on the timing marks. Put the belt back on.

Remove timing belt cover and the timing belt. Line up the cam gear timing mark with the mark that is behind it. Then, set the crankshaft pulley timing mark to zero degrees or whatever the book says. Then re-install the timing belt and re-torque the timing belt tensioner to the proper torque. Turn the engine one full turn, with a breaker bar and socket. Re-check the timing marks on the crankshaft and camshaft. Re-install the timing belt cover and everything else you took off to get to the belt. Be sure to torque the crankshaft pulley bolt to specs.

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You need to re-do it: take the belt back off. Now turn the crank counter clockwise, just a little, maybe 3 notches, to put all the pistons down just a bit in the block. Now set both camshafts on their prospective marks, then move the crank back to TDC. Place the timing belt back on and rout and set as per manufacturer's instructions. Hope you get it this time. Also hope you have a manual to refer to. If not, better check the procedure-some allow only a certain way to set the tension assembly to get proper tension on the belt. Good luck.

You need to purchase a Haynes Manual or better. They are very common in your nearest chain part store. Like Autozone, Advance, Napa. More than likely you will have to set the crankshaft at TDC. "top dead center" and allign the two marks with the cam shaft! Watch when you put tension on the belt it will move the camshaft sprocket! And throw it back out of time.

Sounds like you have the timing belt off a notch or two. Set the crank pulley at the notch and TDC then remove the top screws on the belt cover and pull the cover back far enough to shine a light to check the cam pulley mark against the notch it should align with !

Hi LMSADA,

Contact the parts store that sold you the timing belt and they should be able to give you the timing settings on your van.

You know if you are going to keep doing major work on your van it would be worth your while to purchase a Chilton's book that is specific for your van.

Marge48

It is semi difficult. The timing belt on the v 6 dohc is one of the longest timing belts you will ever see, It winds around one double set of cam pulleys, down around the crankshaft pulley through a belt tensioner, back up around the other set of double camshaft pulleys, then back down around the water pump pulley and finally back up to the camshaft pulleys where you started. It is of utmost importantce that all the timing marks are lined up properly and that the belt tensioner is properly set when you have the new belt on. If you have a lot of patience and some previous engine work under your belt it should be within your ability. You will be taking off all the timing covers on the front of the motor , the front drive pully off the crankshaft, all the accesory belts off, undue the alternator and shift it out of the way , the front motor mount comes off, the power steering belt tensioner has to come off, It is best to jack the car up on stands with support under the oil pan because of the released motor mount. take off the driver side wheel and wheelwell undercovers for access. Take pictures, label all wiring you disconnect, it is a good idea to replace the timing belt tensioner with the belt and maybe the water pump also to avoid going through this pain soon. Get a Chilton or Haynes manual for reference. In other words it is a *****!!!!! But If you tackle the job, get it back together and the car runs , you will be proud,

Was it back firing before your son replaced the timing belt.