Timing Belts - The Root of ALL Evil!
- Thread starter debbi
- Start date
Didn't go as far as slappin' a new belt on but did do a compression test - I had a big fat zero in two cylinders (don't remember which two) and next to nothin' in the other two...... ah well, ya live and learn huh? But like Mike said, at least I have a spare that can be rebuilt - woohoo I get to learn EVEN more about my motor when we get to that point
Running a compression check with the timing belt off isn't s valid check because the valves aren't moving, some are always open, consequently no compression.
Years ago my son broke a timing belt on his Isuzu Stylus XS. At that time I assumed all engines were inteference. To determine if valves were damaged I moved both cams so the valves were closed in the cylinder I was checking. I used a comprression tester adapter with the Schrader valve removed and applied air pressure to each cylinder and listened for escaping air. All cylinders passed the test and the car ran ok atfter replacing the belt. Several years later I looked at the Gates belt chart and it indicated the Isuzu Stylus was a non-intereference engine.
Clifton
Years ago my son broke a timing belt on his Isuzu Stylus XS. At that time I assumed all engines were inteference. To determine if valves were damaged I moved both cams so the valves were closed in the cylinder I was checking. I used a comprression tester adapter with the Schrader valve removed and applied air pressure to each cylinder and listened for escaping air. All cylinders passed the test and the car ran ok atfter replacing the belt. Several years later I looked at the Gates belt chart and it indicated the Isuzu Stylus was a non-intereference engine.
Clifton
mzdspeed82
Member
hey guys! i have a question regarding my timing belt.. i just rebuilt the head and put it back on,know iam trying to install the timing belt. i lined up the camshafts timing and as well as the crankshaft. replaced the tensioner,but for some reason everytime i try to slip on the beltt the stupid crankshaft moves on me.do i need to do something with the tensioner and the spring or what? i tryed to get that sucker in but everytime i do the crankshaft still turns on me...iam gettin frustrated cause iam still up workin on it... oh by the way i have a 2003 mazdaspeed protege.2.0 turbo.. any advise will be greatly appreciated...thx in advance
mzdspeed82
Member
hey guys! i have a question regarding my timing belt.. i just rebuilt the head and put it back on,know iam trying to install the timing belt. i lined up the camshafts timing and as well as the crankshaft. replaced the tensioner,but for some reason everytime i try to slip on the beltt the stupid crankshaft moves on me.do i need to do something with the tensioner and the spring or what? i tryed to get that sucker in but everytime i do the crankshaft still turns on me...iam gettin frustrated cause iam still up workin on it...hope i can figure this out oh by the way i have a 2003 mazdaspeed protege.2.0 turbo.. any advise will be greatly appreciated...thx in advance
Well, they probably were going by some incorrect reference that they got from somewhere like the Gates Belt Company that they would normally regard as reputable. My guess is that they saw the broken belt and just assumed that the engine was wrecked.
Just misalign one of the camshafts by one tooth to compensate for the crankshaft turning. When you finally have it on, you'll see that it all lines up correctly... play with it.
mzdspeed82
Member
Thank you for the info. i actually got it done this morning. Finally its done. know to put the radiator and all the other crap in....
just had another question.....does anyone know the torque in which we have to tighten the camshaft shims... i dont have a torque wrench,well not yet, but can i just tighten them by hand?
