Gregory G

I remove valve cover to adjust valves and notice that the timing chain guard driver side was none my question is can I just replace the timing chain guard or do I need to buy a kit and replace timing chain tensioner Etc

ev13wt

To replace the guide you must remove the front cover (timing chain cover)
If the guide is broken, the chain can (and will in time) "eat" the metal away until it breaks into a cooling (water) void.

So I would get the kit from one of the reputable guys, like rcenginering or 22reperformance
Do not buy Ebay junk.

Remember the chain tensionier has a very specific, very LOW torque for the mounting bolts.

bearcat2

Technically you could, but usually by the time the guide is worn enough to break you are due for a new chain. I broke a chain once in a 22re, and was VERY lucky I didn't bend valves or anything. Since then I change chains at 150-175,000 or any time I have to get in the motor too far and it has been 100k or better since the chain has been changed. Around the time I broke that one twenty years ago I know two friends who also broke them, both of them bent valves and caused a lot of headaches. All three of us were houndhunters so we did a lot more stop and go driving on logging roads and shutting off and restarting of the rig compared to your average user, but we all three broke them between 189-191,000 miles, so I have never let a 22re I have owned since then get that many miles without changing the timing chain. It isn't that expensive for a decent kit and while time consuming (its going to burn a Saturday for you) it isn't a complicated job, you can do it with just a standard assortment of tools.

I would not pull the head unless you have to for another reason, there is no reason to and you will save yourself a lot of extra work.

anndel

Buy the kit with the guides, tensioner, oil pump gear, front main seal, camshaft gear, chain and gaskets. The chain is probably stretched so it was slapping the guide to a point where it broke. I got my kit from 22 RE Performance which was a Made in Japan OEM kit from OSK. The guides were plastic so I bought metal-backed guides from LC Engineering at that time. Now 22RE includes a driver's side metal guide. The passenger side is still plastic but the chain hardly touches the passenger side guide, mostly the driver's side. You have to pop the oil pan to remove the pieces of broken guide. While I had the cover off, I replaced the oil pump and water pump. Good Luck!