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Well my first of many posts, have been lurking but wanted some spacific info in my case.

the old rt4wd threw a CEL today, doing 75 it bogged down a little, pushed in the clutch and glided about 1/8 mile then applied minimal throttle for the last 1/8 till i pulled over. opened the hood, it was idling smooth but had a different sound toward the driver side part of the eng. Checked codes and got #1 O2 sensor, #4 crank sensor, #10 intake air temp. shut the car down, started it back up ran just fine. no noticeable power loss. it was between -4 and -8 deg out.

Got home and started doing some research and come to the conclusion that my dizzy is done for, most likely the bearing failed. This forum has said that it could make the timing jump, my concern is if i have bent valves due to the timing jumping, could this be, but with no loss of power? i plan on doing a compression test on it to verify. just worrisome due to being 300 miles from home and no garage to put the car in to fix while i'm on vacation for the next week.

all help and experience is appreciated!

bowz

 
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there is no way the valves can get bent unless the timing belt breaks.

 
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I picked up a oreilly dizzy yesterday. I also started the car and can't hear any metallic sound. Did however notice alot of pressure (blow-by) coming out of the oil filler cap. Maybe 212k translates into a bottom end rebuild. Hope it can wait till after Alaska decides to warm up from neg degree weather and I can pull the engine outside. As far a the common ground, I will see if I can find where that is and clean it up

As the plan for today is, I'm going to check compression in each cyl. Not sure what it should be, I'll look it up in the Honda manual. Put the new dizzy, cap, and rotor on.

Thinking out loud. If they are all low, then it would mean that the rings are bad, and/or valve seats are bad. When I did the top end they only regrinded a few seats. Would hope they would still be good. I also read on here that the spread between cylinders should be less than 28psi?

Thanks again for the words of wisdom!!!

Bowz

 
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well its neg 10 deg outside so...not checking the compression, i did however pull the dizzy and yes the bearing is bad. sucks that O'reilly sold me the wrong one, it was a mixed boxed or something, got one on the way next day air from portland. we will see...
eng running
http://youtu.be/Fo9tdWVoDns

bad bearing
http://youtu.be/tCAddRowW0k

any more input?

bowz

 
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well guess not, here are my closing statements

well tonight I put in the new dizzy, so far so good, goign to carry the old one for a just incase.
http://youtu.be/2qQpP9pHpbA

Took it out for a test drive before i timed it, here is a little vid. (correction it was -10 out when i installed it outside.)
http://youtu.be/IFaCCJm1mx0

thanks guys!

bowz

 
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and the valves sound good, but haven't done the compression test yet.

bowz