timing belt on B16 is loose on one side then tight on other?
06-02-2004, 06:47 PM
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timing belt on B16 is loose on one side then tight on other?
I just got some valves put in my b16. Now when my friend and I start the car up the belt flaps around. We turned the crack and it seems like the belt is loose on one side and tight on the other. We did not take the plastic guard off near the crank. Yet we still TRIED to tighten the bolt for the tensioner pulley. My question to any one what the hell is the problem? Could the belt be streched or could the tensioner pulley be bad? and if so how much for a tensioner from honda? 
06-02-2004, 07:17 PM
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Re: timing belt on B16 is loose on one side then tight on other? (Desperado)
thats normal. one side will be usually a little loose than the other side because when your engine turns the drag caused by the cam will tighten one side and give some slack on the other. jus make sure its not too loose.
06-02-2004, 07:21 PM
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Re: timing belt on B16 is loose on one side then tight on other? (Desperado)
Either one is possible, but unlikely.
Most likely you don't have the tensioned properly. I've seen this happen on friend's cars who did not tension properly. I have a method to doing it, but I dont know if it's the PROPER way, but it works.
1. Turn the exhaust cam, a SMALL amount towards the front of the car.
2. Make sure the belt is taught from the crank pulley up the the exhaust cam gear. When you put the belt on, it will be slightly lose. Turn it back to proper alignment position and it should be TIGHT.
3. Do the same procedure with the intake cam with the slack between the 2 cam gears. I do this because of the non-tensioned belt sections. Seems to help me get it just right.
4. Come down around the water pump pulley and over the tensioner. Should be fairly easy if everything is lined up right. Tighten to spec.
Most likely you don't have the tensioned properly. I've seen this happen on friend's cars who did not tension properly. I have a method to doing it, but I dont know if it's the PROPER way, but it works.
1. Turn the exhaust cam, a SMALL amount towards the front of the car.
2. Make sure the belt is taught from the crank pulley up the the exhaust cam gear. When you put the belt on, it will be slightly lose. Turn it back to proper alignment position and it should be TIGHT.
3. Do the same procedure with the intake cam with the slack between the 2 cam gears. I do this because of the non-tensioned belt sections. Seems to help me get it just right.
4. Come down around the water pump pulley and over the tensioner. Should be fairly easy if everything is lined up right. Tighten to spec.
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