94 EX F22/F23 timing belt - revisited
#11
You mention the oil pump, but that doesn't need to be timed. It doesn't control events like valves and you don't take the oil pump apart when doing the timing belt.
The balance shafts have an alignment process that's explained pretty well in the shop manual. That's worthwhile to get a copy.
PS. Why do you mention F23 in the thread title? Your car would have an F22 unless it was swapped. Procedures are almost the same, but still good to know what you actually have.
The balance shafts have an alignment process that's explained pretty well in the shop manual. That's worthwhile to get a copy.
PS. Why do you mention F23 in the thread title? Your car would have an F22 unless it was swapped. Procedures are almost the same, but still good to know what you actually have.
Last edited by JimBlake; 10-18-2018 at 05:59 AM.
#12
Well the oil pump apparently turns 1080 degrees with one rotation of the crank. Plus like you said balance shafts are 720 degrees. So there are three possible 'positions' for the pump and two for teh balance shafts they can be rotated in. Obviously I dont care if the current way was timed wrong, but it's the reason I may not want to just replace the belt EXACTLY the way the previous one was - the previous one might have been done wrong, or a tooth off, i'd love a way to know for sure if I could whats right. This car had some other neglected maintenance, and I dont know if it ever had fully competent maintenance.
Oh and I know all about the crank pulleys - I broke that loose last year with all the drama of a large man jumping on a six foot cheater bar until it finally let loose with a SPROING like out of a movie.
I'm curious how much i'm supposed to retighten it when going back on tho.
Oh and I know all about the crank pulleys - I broke that loose last year with all the drama of a large man jumping on a six foot cheater bar until it finally let loose with a SPROING like out of a movie.
I'm curious how much i'm supposed to retighten it when going back on tho.
Unless you're pulling the oil pump, I wouldn't worry too much about it. It slides onto the crank with a flat spot to drive it.
The rear balance shaft has a hole in it on 1 side that you pin to get it in alignment for the other balance shaft gears. The front balance shaft has a line in it that is visible from the top, that aligns with a mark on the front of the engine. The bottom one is the crank gear.
All timing and balance shaft belt timing are from the crankshaft gear (both belts go on it).
The crank gear has a dot/line for you to you match up with a mark on the face of the oil pump. The cam has an arrow with up on it, along with 2 other marks at 3 and 9. This is to verify you're in the correct location for the timing.
Keep in mind this IS a reverse rotation engine (runs CCW).
Once you have everything back together, you oil the threads of the crank bolt, then torque it to 150 ft lbs.
I hope this helps.
#13
You mention the oil pump, but that doesn't need to be timed. It doesn't control events like valves and you don't take the oil pump apart when doing the timing belt.
The balance shafts have an alignment process that's explained pretty well in the shop manual. That's worthwhile to get a copy.
PS. Why do you mention F23 in the thread title? Your car would have an F22 unless it was swapped. Procedures are almost the same, but still good to know what you actually have.
The balance shafts have an alignment process that's explained pretty well in the shop manual. That's worthwhile to get a copy.
PS. Why do you mention F23 in the thread title? Your car would have an F22 unless it was swapped. Procedures are almost the same, but still good to know what you actually have.
I believe he does have an F22B1, which has the same timing belt instructions and procedures as the F23. That's the 1 thing I liked about using the Aisin timing belt & water pump kit from Rock Auto, as it has a great, well detailed instruction sheet in it. It also includes new tensioner bearings and Honda springs. I've used 3 of their kits, and I like them.
P.S. Aisin pumps are made by Toyota.
#15
I'm not sure I was going to do the oil pump... I just remembered reading about these extra seals that everyone says "do it or your engine will die" like cam seals and such, and I figure i'd better do anything else i'm forced to do. I really dont want the extra work of an oil pump if I can help it. I'll be happy enough if I can put the timing belt on and not have it blow up. (I mean i've done a clutch but i'm not comfortable just because I havent done this job and dont have $900-1000 i'm quoted for someone else to do that, the car is probably worth that at most right now :-P )
Mostly it's that the water pump was leaking like a sieve, and the timing belt i'm sure was not done at 200k because the car shows signs of neglect and has no evidence it was done. It's 240k now. I dont know if I have to do cam seals but it sounds like I really should try to just as a preventative. I dont know if the oil pump will last another 100k but technically it doesn't have to, if I get another 60-70k out of the car I wont be complaining in the slightest. It just has to last a few years until i'm through college, although that can involve 2-3-4 sometimes monthly 500 mile medical trips which add up separate from school during the school year.. I figured the trans was probably good til 300k being an understressed automatic behind the 4cyl, and the fluid being pink with no stink.
The job keeps getting postponed weekend by weekend as other RL problems line up. (now my furnace has failed and that's higher priority) So this is still in the research phase of "what else should I do besides timing belt/water pump if needed" along with apparently those cam seals?
I know my oil pan leaks but i'd rather just let it leak and top it off, if it's such a bear to change out or fix right now. Are oil pumps a common 'instant fail' item between 200-300k if the timing belt is intact or is it something I shouldn't have to worry about unless it shows evidence it's degrading?
Mostly it's that the water pump was leaking like a sieve, and the timing belt i'm sure was not done at 200k because the car shows signs of neglect and has no evidence it was done. It's 240k now. I dont know if I have to do cam seals but it sounds like I really should try to just as a preventative. I dont know if the oil pump will last another 100k but technically it doesn't have to, if I get another 60-70k out of the car I wont be complaining in the slightest. It just has to last a few years until i'm through college, although that can involve 2-3-4 sometimes monthly 500 mile medical trips which add up separate from school during the school year.. I figured the trans was probably good til 300k being an understressed automatic behind the 4cyl, and the fluid being pink with no stink.
The job keeps getting postponed weekend by weekend as other RL problems line up. (now my furnace has failed and that's higher priority) So this is still in the research phase of "what else should I do besides timing belt/water pump if needed" along with apparently those cam seals?
I know my oil pan leaks but i'd rather just let it leak and top it off, if it's such a bear to change out or fix right now. Are oil pumps a common 'instant fail' item between 200-300k if the timing belt is intact or is it something I shouldn't have to worry about unless it shows evidence it's degrading?
Last edited by fixinmyself; 11-01-2018 at 04:32 PM.
#16
I'm not sure I was going to do the oil pump... I just remembered reading about these extra seals that everyone says "do it or your engine will die" like cam seals and such, and I figure i'd better do anything else i'm forced to do. I really dont want the extra work of an oil pump if I can help it. I'll be happy enough if I can put the timing belt on and not have it blow up. (I mean i've done a clutch but i'm not comfortable just because I havent done this job and dont have $900-1000 i'm quoted for someone else to do that, the car is probably worth that at most right now :-P )
Mostly it's that the water pump was leaking like a sieve, and the timing belt i'm sure was not done at 200k because the car shows signs of neglect and has no evidence it was done. It's 240k now. I dont know if I have to do cam seals but it sounds like I really should try to just as a preventative. I dont know if the oil pump will last another 100k but technically it doesn't have to, if I get another 60-70k out of the car I wont be complaining in the slightest. It just has to last a few years until i'm through college, although that can involve 2-3-4 sometimes monthly 500 mile medical trips which add up separate from school during the school year.. I figured the trans was probably good til 300k being an understressed automatic behind the 4cyl, and the fluid being pink with no stink.
The job keeps getting postponed weekend by weekend as other RL problems line up. (now my furnace has failed and that's higher priority) So this is still in the research phase of "what else should I do besides timing belt/water pump if needed" along with apparently those cam seals?
I know my oil pan leaks but i'd rather just let it leak and top it off, if it's such a bear to change out or fix right now. Are oil pumps a common 'instant fail' item between 200-300k if the timing belt is intact or is it something I shouldn't have to worry about unless it shows evidence it's degrading?
Mostly it's that the water pump was leaking like a sieve, and the timing belt i'm sure was not done at 200k because the car shows signs of neglect and has no evidence it was done. It's 240k now. I dont know if I have to do cam seals but it sounds like I really should try to just as a preventative. I dont know if the oil pump will last another 100k but technically it doesn't have to, if I get another 60-70k out of the car I wont be complaining in the slightest. It just has to last a few years until i'm through college, although that can involve 2-3-4 sometimes monthly 500 mile medical trips which add up separate from school during the school year.. I figured the trans was probably good til 300k being an understressed automatic behind the 4cyl, and the fluid being pink with no stink.
The job keeps getting postponed weekend by weekend as other RL problems line up. (now my furnace has failed and that's higher priority) So this is still in the research phase of "what else should I do besides timing belt/water pump if needed" along with apparently those cam seals?
I know my oil pan leaks but i'd rather just let it leak and top it off, if it's such a bear to change out or fix right now. Are oil pumps a common 'instant fail' item between 200-300k if the timing belt is intact or is it something I shouldn't have to worry about unless it shows evidence it's degrading?
I hope this helps.
#18
Is there a way to check for/see leaking without disassembling everything down behind the gaskets? (either before I disassemble it as this job has sat almost totally untouched now, or in the future/after I put in a timing belt and want to check it in awhile or something) I don't really relish tearing into the engine this much just to check for a leak or do the seals later is all... but yes i'd happily NOT do it if I can credibly skip it and not think i'm risking an engine dying. I dont know at what rate they are prone to failure. (ie fine now, dying in 1000 miles or what)
#19
The seals we are talking about are all visible when you have the timing covers off. Camshaft, 2 balance shafts, & crankshaft. You can look for oil leaking down from each of these. You might need a mirror or something to get a good view. Granted, by that time you don't want to have to stop working, run out to buy seals, or wait for them to ship... So that's a decision for you to think about.
One thing is the oil pan. But if I remember right, the lower timing cover comes up against the oil pump in a way that the oil pan gasket would leak outside of the timing cover, and the crank seal would leak inside of the timing cover. I think there's a little hole or something right at the bottom for oil to leak out from the bottom of the timing cover.
One thing is the oil pan. But if I remember right, the lower timing cover comes up against the oil pump in a way that the oil pan gasket would leak outside of the timing cover, and the crank seal would leak inside of the timing cover. I think there's a little hole or something right at the bottom for oil to leak out from the bottom of the timing cover.
#20
The seals we are talking about are all visible when you have the timing covers off. Camshaft, 2 balance shafts, & crankshaft. You can look for oil leaking down from each of these. You might need a mirror or something to get a good view. Granted, by that time you don't want to have to stop working, run out to buy seals, or wait for them to ship... So that's a decision for you to think about.
One thing is the oil pan. But if I remember right, the lower timing cover comes up against the oil pump in a way that the oil pan gasket would leak outside of the timing cover, and the crank seal would leak inside of the timing cover. I think there's a little hole or something right at the bottom for oil to leak out from the bottom of the timing cover.
One thing is the oil pan. But if I remember right, the lower timing cover comes up against the oil pump in a way that the oil pan gasket would leak outside of the timing cover, and the crank seal would leak inside of the timing cover. I think there's a little hole or something right at the bottom for oil to leak out from the bottom of the timing cover.