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Doing 50 ish on freeway, engine just stopped picking up speed and dropped down, pulled off to side. Bad, when it failed to pick up speed I reved it couple times before pulling over, then cranked it over few times, looking for the cause, towed home.
popped valve cover, timing belt upper housing, no timing belt. Loosened all valve lash nuts, both 3 & 4 intake arms dont budge, and #2 exhaust arms dont move. Is that bent valves or do I turn engine to get movement in those arms. I manually can blow air through 2, 3 and 4 spark plug holes, which have the stuck rockers, if bent recomend fixing or call that head shot with 3 cylinders with bent valves
Thanks Mario
Since the timing belt failed you absolutely have many bent valves after all that you did. These are interference engines. I typically recommend getting a rebuilt cylinder head and remove/replace with new gaskets, head bolts, seals, belts, etc. If you decide to have your head rebuilt then it's an unknown amount of money and turnaround time. Usually it's just cheaper and more efficient to throw a rebuilt head on it.
Since the timing belt failed you absolutely have many bent valves after all that you did. These are interference engines. I typically recommend getting a rebuilt cylinder head and remove/replace with new gaskets, head bolts, seals, belts, etc. If you decide to have your head rebuilt then it's an unknown amount of money and turnaround time. Usually it's just cheaper and more efficient to throw a rebuilt head on it.
awesome thanks, working on it, i pulled plugs and can manually blow air through 2, 3 and 4 plug ports w/ my leak down attachment hose, just cylinder 1 with no bent valves, looks like 6 or more valves are bent, guess I'll know the answer to piston damage once head is off. Working on that now, my friend has a 91 or 94 honda abandoned, same engine looking, think a f22b, a stick, love to swap heads, if applicable, maybe transmission swap later..
thoughts? Thanks again
Since the timing belt failed you absolutely have many bent valves after all that you did. These are interference engines. I typically recommend getting a rebuilt cylinder head and remove/replace with new gaskets, head bolts, seals, belts, etc. If you decide to have your head rebuilt then it's an unknown amount of money and turnaround time. Usually it's just cheaper and more efficient to throw a rebuilt head on it.
Originally Posted by 99stockcivic
If you need to get back on the road quickly you can get a used head at the junkyard for a pretty small amount.
thanks for info, so far looking like rebuild might work, can see the gap in bent valves. Intake mani finally off. Get pictures of head once off. Oh the carbon build up in egr passages, will shop be able to dip and clean, or do I still pop off caps and clean?
Head is off, definitely indentations in pistons, recomend filling pistons with oil, see if any loss overnight? Thinking of replacing all valves and components, since all 4 pistons have indentations , or look for another head.
With indentations in the pistons......I'd consider simply swapping the whole engine rather than piecemeal fixing this. You can get an engine for $600 and be on your way. I suspect cost wise you will come out the same vs trying to patch this back together and hoping all you had wrong was what you found so far. Swapping an engine on this car is pretty straightforward, it's pulling the axles, unplugging everything, marking it so you put it all back. It lifts straight out, and you can even take the transmission with it in one step if that's easier for you. https://www.ebay.com/itm/98-99-00-01...EAAOSw8bBefjV2
At this point, this type of damage makes me think there will be other issues as well, but that's me.
With indentations in the pistons......I'd consider simply swapping the whole engine rather than piecemeal fixing this. You can get an engine for $600 and be on your way. I suspect cost wise you will come out the same vs trying to patch this back together and hoping all you had wrong was what you found so far. Swapping an engine on this car is pretty straightforward, it's pulling the axles, unplugging everything, marking it so you put it all back. It lifts straight out, and you can even take the transmission with it in one step if that's easier for you. https://www.ebay.com/itm/98-99-00-01...EAAOSw8bBefjV2
At this point, this type of damage makes me think there will be other issues as well, but that's me.
Just an opinion.
yes probably 2021, for now just check if new valves will get me on the road, or used head.
Definitely keeping a look out for a motor, a actually friend said I could have a thinking 94 honda, with manual transmission, if I could get that over here, might swap engine & tranny or cylinder head for now. If. Think it's a F.22B, get more info next time I go out there, engine looks same, just different Vacuum , wiring routing, etc.
thanks again
Popping off valves, #2 intaket hat were sticking out, and one arced, valve seats and stem holes look good, pop the rest, cant find my straight edge, oh I do have a carpenter's square, ok update on rest shortly.
Can't find my feeler gauge With carpenter's square, you can see slight bow, low spot in center, diagonally and horizontally, hmmm same low spot on top too, soon as find my feelers. I'll update.
ok can't get the 002 between square and head.
All day yesterday, trying to break harmonic balancer bolt, 1.5 hp 3 gal compressor, nothing, brought out the 5 hp 20 gal compressor, nothing with 30 ft hose, cut off about 20ft, second attempt, after compressor filled, it broke loose.Yes. don't know if the shorter hose or beating on it since yesterday did it.
Cylinder walls smooth, order valves, valve seals etc. tomorrow. Was going to try port and polish, na, no time, probably drop all parts off at my machinist or just lap and put together,
thanks, have to check pistons, they all flush with block none look or feel off, not like my 2.3 old motors piston looked, it bent bad just from a huge backfire. Ever fill the cylinder with oil, see how long it holds. Try that, find my caliper.
thanks, have to check pistons, they all flush with block none look or feel off, not like my 2.3 old motors piston looked, it bent bad just from a huge backfire. Ever fill the cylinder with oil, see how long it holds. Try that, find my caliper.
hmmm maybe just regular valve indents. Looking at new ones.maybe got lucky running on three cylinders at the time. ? Didn't know that's how they came new.
Yes those are factory valve reliefs, not due to piston to valve contact. I was having a hard time finding indications in your original pictures. But with that much carbon it was hard to tell. If there was piston to valve contact it would be a very shiny line or indent at the base of the deepest part of the valve reliefs.
Yes those are factory valve reliefs, not due to piston to valve contact. I was having a hard time finding indications in your original pictures. But with that much carbon it was hard to tell. If there was piston to valve contact it would be a very shiny line or indent at the base of the deepest part of the valve reliefs.
Getting better, the stems on valves have no gaps rotating on straight edge, looking straight, seats look even, valves and head, , intake valves just look heavy carbonized, replace the burnt one, lap them. Put together.
dont know how none of the valves didn't hit, or barely enough to knock carbon loose, did no cleaning of pistons other then vacuumed out. Unburnt fuel kept no. 2 piston clean(?)
did the arced holes in valve #2 stop the pistons from hitting the other valves, when belt broke, was on the freeway picking up speed, probably around 50 mph, and I hit the gas, wondering wth, and I tried starting it few times on side of freeway, didn't hear no clanking, just cranking noise. Hmmmm.
ok thoughts? And thanks so much gentlemen, this is a great forum for information needed.
It's my opinion is that he should step away from the car and refrain from doing repairs on it. Because of his lack of knowledge of not knowing about piston valve reliefs says it all.
New head bolts, new valve seals, keepers, 2 new exhaust valves, rest look straight comparing, measuring, and straight edging, almost got all carbon buildup of valves, get the lapping tool and compound tomorrow, new head gasket, intake gaskets, water pump, balance shaft belt, new timing belt, tensioner, couple other pulleys. Bought that tb kit $50 bucks, before I got the car, thinking lady was going to ask me to do it sooner or later. Ok update later.
QUOTE=99stockcivic;52266787]Hey, the silver lining here is you learned some new skills. I'm curious to see if it all works once back together. Good for you sticking with it.[/QUOTE]
Thanks for the boost, never failed before, always jumped right into head gasket, timing belt replacement, no matter what make model etc. Started doing our chevys, fords, Pontiac, oldsmobile, then got into, Hyundai, Subaru, Toyota (swapping a Transmission in my 06 Sienna now), and now this beast Honda. First forum I was ever told to walk away after learning something new.
And first time, doing a valve job, usually send head to my machinists, for surface and valve work, but low on funds, take my chances on putting head on as is, with valve work.
All the domestic and foreign vehicles I worked on as side jobs to my regular employment never came back to be redone, and its thanks to the advice from professionals on all the forums I joined.
my eagerness to go deep in my work on vehicles, got me attention and many jobs by drive by strangers or neighbors. That eagerness came from being up all night with step father, and family friend watching them rebuilding engines, not one vehicle, mine or a strangers did I attack before buying a repair manual. .
Appreciate all the help gentlemen.
Now next question, got the intake all apart,
anyway to clean out egr passages without popping the passage caps off.
If not gotta order caps to.
I would ignore the pretentious people on here, I've had similar encounters, some people forget two things: we all started out not knowing how to do this **** and 2- we all could use assistance at one time or another.
Like you, all self-taught. Build my first engine when I was 15, didn't know what I was doing, had a car with a broken engine, rebuilt it without any manual or help, just trying things in a junkyard. I laugh today when I think of myself trying to make all these pieces work, but it ran when finished, although badly. Got me around enough to earn enough to try again. Similiar to you, I've done almost anything on a car at this point, across more makes than I can remember. Always offered to help someone who needed it, neighbors, friends, kids, whomever. Never told them to walk away from it, even when they weren't doing a good job unless they thought they were hot **** but actually a danger because of their stupidity. I've also built and raced over a dozen cars in almost any category : road racing, Pikes Peak, Land Speed, drag racing, Baha, etc. Does that make me awesome? Nope. Just another person who works on cars.
For the most part, the people here are good and usually helpful. Filter out the "special" people and you will be great here.
I would ignore the pretentious people on here, I've had similar encounters, some people forget two things: we all started out not knowing how to do this **** and 2- we all could use assistance at one time or another.
Like you, all self-taught. Build my first engine when I was 15, didn't know what I was doing, had a car with a broken engine, rebuilt it without any manual or help, just trying things in a junkyard. I laugh today when I think of myself trying to make all these pieces work, but it ran when finished, although badly. Got me around enough to earn enough to try again. Similiar to you, I've done almost anything on a car at this point, across more makes than I can remember. Always offered to help someone who needed it, neighbors, friends, kids, whomever. Never told them to walk away from it, even when they weren't doing a good job unless they thought they were hot **** but actually a danger because of their stupidity. I've also built and raced over a dozen cars in almost any category : road racing, Pikes Peak, Land Speed, drag racing, Baha, etc. Does that make me awesome? Nope. Just another person who works on cars.
For the most part, the people here are good and usually helpful. Filter out the "special" people and you will be great here.
yes I hear you! just got my valve seals, lapping tool and compound, seen lapping done with drill, bit, and hose, but better start the process the way I cant mess it up. Practice drill method on a known bad head, or this one if turns out that way, did follow you and Aradin's advice and do have hands on another head if needed.
take care and thanks.
THIS B#TCH GOT POWER FOLLOWED BY TIMING BELT FAILER IS A COMMON PATTERN I ACCUMULATED. LOL
bent piston rod after, olds 2.3 lt backfired, blew my muffler apart like a m80 in a pop can. Bearings and all were within specs so just replaced piston rod assembly, no I replaced all the bearings, now that I think about it, told better do all then the one set, think from bearings from schucks at the time, purchased piston and rod assembly on the forum I was subscribed to, brought head to a different shop that corrected the assume valve leak then, same symptoms as this Honda started earlier, 2.3 lt 1st dohc I took apart twice, just replaced timing belt and head gasket, then head gasket again, Fun..
first shop I took it to wasn't around, said to have resurfaced and some angle cut on the valves and seats, forget what it was called, anyway still backfired, little pops, sometimes big pops, then after new exhaust system, including catalytic converter a huge bang, piston sat inch or so below tdc. Ok jabbering over.
09-04-2020, 11:01 AM
Bent valves
