If nothing else read the 2 questions

I picked up a 92 accord with 223,XXX miles and was told the T belt snapped. I started taking it apart and it was like expected. I got the crank pulley bolt off really easily surprisingly and went to set the number 1 piston to TDC but one of the problems is when we put the compression tester in there and turned the crank the gage did nothing. we put a rubber hose in there and got it all the way to the top when we felt a small bit of air from the piston and figured that was it(were going to check for the marks lining up at the back of the motor also). The second problem is I went to turn the cam pulley and nothing...It has the slightest bit of movement in either direction but after that it locks and nothing I do will make it budge. Shouldn't I be able to spin this freely??? All the plugs are out and there was a good bit of oil in the number 2 cylinder hole. We tried turning the cam by a 12mm socket on the cam pulley bolt but it would loosen it or over tighten it depending on the direction we turned it.

Basically I have two questions
1) what would cause the compression tester to not budge like that and
2) Shouldn't the cam spin pretty easily??

Anyone else have this problem with the cam?

I know there could be some bent valves but this wouldn't "lock" the cam would it?
Any help is greatly appreciated

 

Rotate the crank 90 degrees OFF of TDC, that gives the valves room to open.
the pistons will then be 1/2 in the cylinders.
Then take the check valve out of the compression test hose, screw it in to what ever cylinder has closed valves[cam lobes at 4 'O'clock & 7'O'clock] now you can manually blow into the cylinder and check for bent valves.
You can feel the pressure difference in your lungs.
Then rotate the cam again to close another cylinder and blow again.
When you get to the one with bent valves you can listen for the air escaping into the intake or exhaust when you blow into it, also the valve clearance will be way loose.
It is very important to NOT crank the engine over with out a T-belt keeping the cam in time

 

That's good info and I will try that to check the valves I guess I didn't mention the timing belt is off. It basically fell off when I took the upper cover off. I grabbed an end of it and pulled it out so when I rotate the crank the cam wont turn...unless you meant to say rotate the cam in your first sentence. In that case Im still at a loss because the cam is stuck, I can rotate it the equivalent of lets say 11:30 and 12:30 which is not much at all. Once I reach either of those points it stops and will not budge the slightest bit.

 

Bump!

 

you may not have shown any thing on the gage with timing belt wasnt on, intake or exhaust valves are probably open.

 

Yeah That's what I was sort of thinking and wanted someone to back that up. It might have been a stupid question but I wasn't sure. The main thing is about the cam not turning. I think Ill just take the head off and go from there.

 

I meant EXACTLY what I said.

Turn the CRANK 90 degrees from CRANK TDC, that puts the pistons 1/2 way in the cylinder

if you have a piston up you will be pushing the valves into the piston top when trying to turn the cam

 

Oh I totally miss understood what you were saying
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hondadude &raquo;</TD></TR><TR><TD CLASS="quote">Rotate the crank 90 degrees OFF of TDC, that gives the valves room to open.
the pistons will then be 1/2 in the cylinders.
</TD></TR></TABLE>

Yeah I could have sworn we turned the crank again because I remember wondering if It wouldn't turn because of us moving the crank a certain way. I thought we tried moving the cam before we started, with it still being stuck, but It was probably just at tdc before too.
I hope its something so simple but hate if its such a stupid mistake on my part

Thank you very much

One more quick question, where is the hole at the back of the motor that I think I need to take a bolt out of the see the marks line up? I read a little bit about it but didn't see the hole.


Modified by AnotherEJ at 7:44 PM 3/29/2008