I need to know how to pull the pin on the tension pulley to tighten the belt on my deawoo lagunza. everything is complete but I can not get the pin out to tighten the belt at all. Any information would be great.
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You have a (spring loaded) tensioner that will have a pulley on it. There is probably an idler pulley too. there will be a 15mm head on the bolt...get a 15mm (6 point) wrench on it and pull that pulley hard like you are tightening it. if it starts to move you will release the tension from the belt, and just pull it over the pulley closest to your other hand. pay attention to your belt routing....install new belt....pull tensioner pulley same as before, and put your belt around all pulleys....release tensioner and you are good to go. these pulleys can get a little tight over the years so give it some elbow grease.
You have an automatic tensioner that isn't tight enough? And you replaced the alternator, without loosening the belt in any way? Does the tensioner have a little piston on it, you know like gas filled? And you let it loose without putting the pin in it? I think it may have lost it's tension. The spring pressure alone is not enough to handle the belt. The piston is so tight that you can't move it with your hands. A new one comes preset with a pin like a grenade in it, and when you are all set, you pull the pin, and out it comes. Pressure. I don't know if you can test it, or tighten the belt somewhere, most cars have a pulley that moves or the power steering pump will slide over and pick up the tension. A good way to check is, you should not be able to twist the belt 45 degrees with your fingers. Hope this helps.
Focuses use an automatic belt tensioner which has no adjustment (as its spring loaded) if your belt is not tight enough replacement of the tensioner could be necessary..if you're asking due to a squealing problem check the pulley on the tensioner and the idler pulley..they are a common part to need changing
you can follow the directions as said in the manual, it is also specified with a diagram near the radiator. You must first of all loosen t he belt tensioner pulley so that the belt can be rolled accordinly .Once done fix tension to the pulley and pull tight while tightening the bolts.
Except Matrix: Turn crankshaft one turn clockwise.
Matrix: Turn crankshaft two turns clockwise.
Ensure timing marks aligned  .
Apply a load of 2 kg to belt at .Belt should deflect 4-6 mm. If not Adjust position of tensioner pulley.
Install components in reverse order of removal.
Tighten crankshaft pulley bolt  . Tightening torque: 170-180 Nm
(7) is timing mark on cam,pin mark to top,hole in spoke below pin mark lines up with mark on head
(6) is crank timing mark,pin mark on crank lines up with markS on block.
Remove the serpentine belt, remove the lower crankshaft pulley, place a jack under the oil pan and jack up the engine slightly, remove the engine mount (right top). Remove the timing belt cover, loosen the timing belt tensioner and pull tensioner pulley back toward the rear of vehicle. I like to then tighten the tensioner bolt to hold it in this position, remove and replace belt. If you need to put the engine in time then look at the camshaft there is a small arrow in the center it lines up with a dot on the end of the cylinder head. The lower timing mark is a small metal tip that sticks out from the lower gear and it lines up with a notch cut into the front cover just behind the lower gear. Once aligned properly put the belt on the lower gear and without turning the lower gear or camshaft gear pull the belt tight up to the cam shaft the cogs in the belt will line up with the grooves, then place the belt around the water pump drive gear and under the tensioner, then push the belt over all gears by hand without turning the engine. Loosen the tensioner bolt and apply a little pressure toward the front of the vehicle and tighten the bolt. Replace everything else previously removed. Engine should start and run normally. Hope this helps, let me know.
RETAIN PUSHROD WITH SUITABLE PIN THROUGH HOLE IN TENSIONER BODY.
INSTALL AUTOMATIC TENSIONER UNIT TO TENSIONER BLOCK. TIGHTEN BOLTS TO 22-27.
FIT TIMING BELT IN ANTI-CLOCKWISE DIRECTION, STARTING AT TENSIONER PULLEY.
SLACKEN TENSIONER PULLY BOLT. TURN TENSIONER PULLEY CLOCKWISE TO TEMPORARILY TENSION BELT. TIGHTEN BOLT TO 43-45NM.
TURN CRANKSHAFT SLOWLY 1/4 TURN ANTI CLOCKWISE.
TURN CRANKSHAFT CLOCKWISE UNTIL TIMING MARKS ALIGNED.
SLACKEN TENSIONER PULLEY BOLT. FIT TOOL TO TENSIONER PULLEY.
APPLY CLOCKWISE TORQUE TO TENSIONER PULLEY. TIGHTEN BOLTS.
INSERT SPECIAL TOOL IN TIMING BELT REAR CASING.
SCREW IN TOOL UNTIL PIN CAN BE REMOVED FROM AUTOMATIC TENSIONER.
REMOVE SPECIAL TOOL.
TURN CRANCSHAFT TWO TURNS CLOCKWISE. WAIT 15 MINUTES.
ENSURE TIMING MARKS ALIGNED.
CHECK EXTENDED LENGTH OF PUSHROD IS 3.8 - 4.5MM
If this car has a v-6 (2.5). You have to loosen the belt tensioner. It is located along the side of the passengers wheel well. Turn the passengers tire outwards, and kneel down. Look inside the wheel weel, and about the same line of sight as your eyes when you look in there you will see, a bolt, and a pulley, with a bolt in the center of the pulley. Loosen the pulley bolt first, and then loosen the tensioner bolt, Pun on belt careful to watch the routing, and pull pulley tight, with hand, and then tighten the tensinner bolt. Belt should be taught, but not very tight. Then tighten the pulley bolt.
Hope this helps.. If you have any questions or did not get diagram... (sometimes happens) feel free to contact me
Install the timing belt tensioner and
tighten the retaining bolts to 17 ft. lbs. (24 Nm), but do not remove
the pin at this time.
Check that all timing marks are still aligned.
bulldog clips (large paper binder clips) or other suitable tool to
secure the timing belt and to prevent it from slacking. Install the
timing belt. Starting at the crankshaft, go around the idler pulley,
then the front camshaft sprocket, the water pump pulley, the rear
camshaft sprocket and the tensioner pulley.
Be sure the belt is
tight between the crankshaft and front camshaft sprocket, between the
camshaft sprockets and the water pump. Gently raise the tensioner
pulley, so that the belt does not sag, and temporarily tighten the
Move the crankshaft 1/4 turn counterclockwise, then turn it clockwise to the position where the timing marks are aligned.
the center bolt of the tensioner pulley. Using MD998767 tensioner tool,
and a torque wrench apply 3.3 ft. lbs. (4.4 Nm) tensional torque to the
timing belt and tighten the center bolt to 35 ft. lbs. (48 Nm). When
tightening the bolt, be sure that the tensioner pulley shaft does not
rotate with the bolt.
Remove the tensioner plunger pin.
Pretension is correct when the pin can be removed and installed easily.
If the pin cannot be easily removed and installed it is still
satisfactory as long as it is within its standard value.
that the tensioner pushrod is within the standard value. When the
tensioner is engaged the pushrod should measure 0.149–0.177 in.
Rotate the crankshaft two revolutions and check
the timing marks. If the timing marks are not properly aligned remove
the belt and repeat Steps 17 through 23.
Install the timing belt covers.
Install the engine mounting bracket.
Lower the engine enough to install the engine mount onto bracket and remove the floor jack.
Install the power steering pump bracket and pump.
Install the crankshaft pulley and tighten the retaining bolt to 13 ft. lbs. (18 Nm).
Install the accessory drive belts.
Properly fill the cooling system.
Connect the negative battery cable.
Check for leaks and proper engine and cooling system operation.