1993 Toyota Camry 2.2L Camshaft Question - Exhaust Camshaft service bolt what purpose?

K

Karl

New member
Just finished up installing my cylinder head and intake manifold as well as fuel rail on my 1993 Toyota Camry 2.2L. Installed the intake camshaft as well. I was ready to install the exhaust camshaft, but read online about the service bolt as well as in the manual, but the manual never stated why it was necessary. After further reading online it stated that the service bolt prevents the gears from unwinding and causing the cam to be out of time when removed. When I removed the camshafts I never placed a service bolt in the exhaust camshaft (should have now!). I never noticed the cam unwinding when I removed it from the cylinder head. I had the cylinder head and both cams to a machine shop for reconditioning. After carefully looking at the exhaust cam now I notice the do line up, but there is hole and something line a pin that are a off a bit out of alignment. Does the pin and hole have to line up? Looks like it would fit if the one gear was turned about 1/8 turn or so.
Wondering if anyone here has and answer to this.
Any suggestions would be greatly appreciated.
 
First, be thankful you have a 2.2 Toyota. It's a non-interference engine. If you mis-time the engine, which I suspect you are about to do, the valves and pistons do not collide.
Read and fully understand about timing that engine. You are timing it from scratch.
 
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