Need to know the timing marks for the Isuzu 3.2 sohc motor. The crank pully mart is at 3 oclock. The L and R cam marks are confusing. Need help there. The L cover has marks and pully has a line grove as well as a circle mark. thr right marks are also confusing. Please help me sort this out
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after you remove the timing belt cover you will find a notch on the cam gear that lines up with a dot on the backing plate and also on the crank after the pully is removed the keyway will be at 12'oclock after the engine is set in time use a 8mm wrench and turn counterclock wise use a 1/8 drill bit to lock the tensioner in place now remove old belt and replace
Its the same as a chevy v8 pull radeator fan water pump lower crank pully loosen oil pan bolts align timing marks crank mark at 12 oclock cam cshaft mark at 6 oclock replace with new gears and chain timing cover gasket crank seal and water pump gaskets
timing belt marks are as follows= crank at TDC marks are at 10 oclock the both cams marks at TDC are at 12 .oclock position marks are clear if you look theoil pump gear also driven by belt marks are approx 11 oclock position also marked thebalance shaft gear/cog must also be set to 9 oclock position when the b/shaft belt is fitted to hold theoil pump sprocket in its correct position remove the small screw/blank plug on side of block then use an 8 mm posi screwdriver insert into hole it should travel approx 60 mm to engage if not rotate pump gear 360 degree till it does locate fit main belt from crank anti clockwise to cams then tension same with b/shaft tensioner make sure you torque all bolts correctly any more info req'd come back hope this helps ?
EXHAUST CAM WILL HAVE A NOCH ALIN AT 3 OCLOCK THE INTAKE ALIN AT 9 OCLOCK BOTH MARK ON THE CAM SPORKET MARK MEET EACH ANOTHER, THE CRANKSHAFT GEAR WILL HAVE A NOCH THERE WILL BE A MARK AT ABOUT 12 OCLOCK ALIN CRANK GEAR TO THAT MARK.
There is a DOHC or SOHC (double or Single overhead cam engone. Both are Similar. Both have a notch on back side of crank pully that aligns with a tab on engine just above crank pully looks like a triangle with the tip near crank pully is rounded off. SOHC engines have an arrow on cam pully that aligns with a point at top of timing belt rear housing. about straight up at top of it. DOHC have an I and an E on the cam pullys I for INTAKE and E for EXHAUST. the I and E match up at same type points on top of rear Timing belt housing. When installing belt make sure you do not move pullys. put belt on starting with cam shaft (s) then down to crank on tension side which looking at motor will be the right side or Clockwise direction keeping it tight no, or EXTREEMLY little slack. then back up around tensioner. Tensioner should be the last pully to go around. Once on make sure timing marks still lline up.Adjust tensioner and. rotate engine BY HAND 4 times and re check marks.
Ibring piston to compression stroke. Apiece of tissue in the plug hole will blow out and then turn crank by hand until the piston is at the top. There should be timing mstks on the crankshaft pully.no timing marks? Then ease the crank around untill the piston starts to go done you can feel the piston with a straw. Note, the crank pully keyway more than like be at the 12 oclock position. good luck
there is a small mark on the cam pully that must point strait down to the mark on the crank shaft timing pully. the mark on the crank pully is a bit hard to see but it is a low spot on the inside area. also lines up with the keyway grove in the pully.