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#51 | |||||
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Junior Member
Join Date: Jun 2007
Posts: 10
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#52 |
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H-T Order of Merit
Join Date: Aug 2002
Location: somewhere in, MI
Posts: 8,544
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I usually do the valve clearance at the same time because you already have the valve cover open so it's a perfect time to do it. If the sound is like a ticking, then adjusting the valve clearance will probably help.
Where is the sound coming from? Is it a like a humming sound? timing belt being too tight? balance shafts being out of time maybe? |
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#53 |
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Junior Member
Join Date: May 2003
Location: Los Angeles, CA
Posts: 896
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Great technical writeup! Glad to see old-skoolers back in the thick of things!
__________________
1995 BMW m3/2/5 2001 BMW 330i zsp/4/5 |
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#54 | |
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Junior Member
Join Date: Jun 2007
Posts: 10
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#55 | |
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H-T Order of Merit
Join Date: Aug 2002
Location: somewhere in, MI
Posts: 8,544
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#56 | |
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H-T Order of Merit
Join Date: Aug 2002
Location: somewhere in, MI
Posts: 8,544
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#57 | |
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Junior Member
Join Date: Jun 2007
Posts: 10
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#58 |
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H-T Order of Merit
Join Date: Aug 2002
Location: somewhere in, MI
Posts: 8,544
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maybe you're not messing up, it just may not be the timing belt tension.
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#59 |
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Junior Member
Join Date: Jun 2007
Posts: 10
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Here is what it sounds like:
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#60 |
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Join Date: Jun 2007
Location: Edmonton
Posts: 1
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One of the best "How to's" Ive ever seen. Really fantastic, since this is a particularly complex changeout for most diyer's. My civic with the 1.5L was such an easy job in comparison.
Having had to do this myself, after losing a belt while the engine was running (DOH!!), you might consider adding the information on checking the valves, replacement of any bent or damaged ones, checking the head and cylinder surfaces for damage and head flatness, and re-adjustment of valve clearances in this operation as well. I know was a pita for me to do all this for the first time with the chilton book. Is far too vague on steps required for this job. Really is a shame you werent around with this document then..lol If you have documented a lot of work on this car and engine you should consider publishing. You really include fantastic detail and step by step process of the work involved. I can surely say I would buy it. Great work!!! John |
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#61 |
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Join Date: Jul 2007
Location: Longview, tx, usa
Posts: 4
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I just did my t-belt, and either the previous mechanic that did my t-belt swapped my tensioner springs, or they just don't cut it.
Something that the manuals don't discuss...is how exactly does that 14mm bolt actually adjust tension? I see no mechanism that allows it to do this. All it does is keep the tensioners held together and from coming off that bolt that sticks out of the block. From what I see it does not have the ability to directly influence belt tension. The tensioners have elliptical holes that actually allow them to slide up and down on that bolt...why does the manual say a bolt can tighten the belts? Second, are these the automatic tensioners? With just weak springs I'm not so sure. Third, my belts are also very loose. I've done numerous t-belts on toyotas and while this is my first honda t-belt, the theories are the same and the tightness of my t-belt is unacceptable, very loose. There is a 10mm bolt that can go into the block and it can hold the t-belt tensioner in place. At first I used it to keep the tensioner in it's most "loose" position...but after releasing it...the belt was to loose so I simply applied pressure to it (not the tensioner, but the metal backing plate on the tensioners pulley) to apply sufficient belt tension, then re-tightened that bolt, locking the tensioner in that tightness...of course if the belt stretches any, it won't automatically adjust. I did the same with the balance shaft belt. So now I'm worried that in the future...if the belt needs more tension...it won't have it...I'm about to go swap the springs and see how it goes...I'll either edit this post or make another saying how that went. None of the manuals I've seen mentions either of those 10mm bolts or what you're supposed to do with them afterwords. Do you leave them loose? I was missing the t-belt tensioners 10mm bolt. *edit...btw I'm driving a 93 accord *also...the springs were in their correct position before. Modified by bcjammerx at 9:14 PM 7/25/2007 Modified by bcjammerx at 9:17 PM 7/25/2007 Modified by bcjammerx at 10:08 PM 7/25/2007 |
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#62 | |
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H-T Order of Merit
Join Date: Aug 2002
Location: somewhere in, MI
Posts: 8,544
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Quote:
Thanks, I'm glad you liked the write-up. No, I don't have anything else I've done to this car as a write-up, sorry. I agree, the Civic's are easier, I just did the timing belt and that on my Civic recently. As for checking for bent valves, replacing any bent valve, checking cylinder walls thing. I couldn't add that to this write-up cause I've never had to go through that (knocks on wood). It's not a bad thought for a separate write-up though, so if you'd like you could post a write-up on the process you took to do all that I agree that adjusting the valves as well as replacing the oil seals is a good idea to do at this time. Unfortunately I don't have any pictures of these even though I know they were done to the car. I'm pretty cure my girls brother did them while I was doing something else so I didn't get any pictures of it to add to the write-up. I did however be sure to take pictures of it on my recent timing belt job for the Civic, not that it matters here
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#63 | ||||
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H-T Order of Merit
Join Date: Aug 2002
Location: somewhere in, MI
Posts: 8,544
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I hope this has answered your questions, if not let me know and I or someone else will try to help you out
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#64 |
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Join Date: Jul 2007
Location: Longview, tx, usa
Posts: 4
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Ahhh...now things make since. My manuals don't actually say to "tighten the belt", they just say "loosen the adjusting nut 2/3 -1 turn to tension the timing balancer belt" and likewise for the t-belt...it assume the user knows that they have to apply pressure to tighten the belts.
So what exactly then will correctly adjust the tension, if loosening that bolt as the book says, "will allow you to adjust tension without removing the covers", how is this so? Are those springs in conjunction with the steps you mention for tightening the belt going to actually tighten the belt? I don't think mine is. Also is there a step missing after 37, one that says how to tighten the balance shafts belt? I see where you discuss the t-belt. See I haven't seen anywhere where someone says specifically how to manually tighten the belts aside from your step number 36. But doing that with mine just doesn't seem to get the belt tight enough. Isn't simply turning the cam three teeth back still relying on spring pressure to tighten the belt? Of course this was all done late last night and I was frustrated and very tired...I will retry later today. THANKS FOR YOUR HELP oh yeah...GREAT write up...pics of the ACTUAL car is awesome...the whole time I'm looking at manuals I'm thinking "who changes the t-belt on an brand new engine?" |
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#65 |
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Junior Member
Join Date: Aug 2005
Location: cedar park, tx, usa
Posts: 877
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What it says EXACTLY in the Helms Manual
Note: - The tensioner is spring loaded to apply proper tension to the belt automatically after making the following adjustments. -Always rotate the crankshaft counterclockwise when viewed from the pulley side. Rotating it clockwise may result in improper adjustment of the belt tension. - Inspect the timing balancer belt before adjusting the belt tension - Do not loosen the adjusting nut more then one full turn 1. Disconnect the battery negative terminal first then positive terminal. 2.Disconnect to the alternator terminal and the connector, then remove the engine wire harness from the cylinder head cover. 3. Remove the cylinder head cover. 4. Set the NO.1 Position at TDC 5. Rotate the crankshaft 5-6 revolutions to set the belt 6. set the No1. piston at TDC 7. Loosen the adjusting nut 2/3 - 1 turn 8. Rotate the crankshaft counterclockwise 3 teeth on the camshaft pulley 9. Tighten the adjusting nut. 10. After adjusting. re torque the crankshaft pulley bolt to 245N-m (25.0 kgf-m, 181 ibf-ft) would provide images but i belive we arent allowed to from the helms manual |
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#66 | |||||
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H-T Order of Merit
Join Date: Aug 2002
Location: somewhere in, MI
Posts: 8,544
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Take a look at steps 32-37, in there it says to turn the crankshaft about 1 turn counter-clockwise to tension the balancer shaft belt.Quote:
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I did this hoping it would help people in doing this job. It was and still is at times a commonly asked question. I'm glad people are finding it useful. |
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#67 | |
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Member
Join Date: Oct 2003
Location: Nashville, Tn, USA
Posts: 1,036
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#68 |
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Join Date: Nov 2005
Location: Norwalk, CT, USA
Posts: 2
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TouringAccord, great writeup...
Forgive the newbie question..spent all my adult life wrenching VWs/Audis and haven't had to work on my wife's Accord too often. Do you break the crankshaft bolt loose in the same direction you would any other bolt - left loose and right tight? Your How-to seems to look that way given but I wanted to check. I just want to be sure I am applying pressure in the right direction to loosen and not tighten. Thanks in advance! |
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#69 |
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Junior Member
Join Date: May 2003
Location: Los Angeles, CA
Posts: 896
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Hey Touring:
Regarding the crankshaft pulley holding tool by Schley: Which tool are you referencing?: http://www.thetoolwarehouse.ne....html or http://www.thetoolwarehouse.net/shop/OTC-4731.html thanks in advance edit: i realize one is by OTC
__________________
1995 BMW m3/2/5 2001 BMW 330i zsp/4/5 |
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#70 | |
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Join Date: Nov 2005
Location: Norwalk, CT, USA
Posts: 2
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Quote:
http://www.amazon.com/Alltrade...r=1-1 |
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#71 | |
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H-T Order of Merit
Join Date: Aug 2002
Location: somewhere in, MI
Posts: 8,544
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Quote:
yep, left loose - right tight
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#72 | |
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H-T Order of Merit
Join Date: Aug 2002
Location: somewhere in, MI
Posts: 8,544
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Quote:
http://www.thetoolwarehouse.net/shop/SP-60100.html Looking at the Schley 60100A you linked, it's just an updated model of what I bought. It seems what they are saying is that some of the newer engines have a deeper pulley requiring the further offset that this tool was designed with. So either model should work, get the newer one if you feel you'll be working on newer engines or which ever one is cheaper, should both work just the same. As for the OTC tool you posted or the Alltrade tool Donuts posted, they should both work as well. |
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#73 | |
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H-T Order of Merit
Join Date: Aug 2002
Location: somewhere in, MI
Posts: 8,544
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#74 |
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Junior Member
Join Date: May 2003
Location: Los Angeles, CA
Posts: 896
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Awesome man thanks.
I think over time, you're probably saving the world a couple ten's of thousands of dollars. You're a global citizen man! Good ole yankee DIY ingenuity + photoshop skillz.
__________________
1995 BMW m3/2/5 2001 BMW 330i zsp/4/5 |
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#75 |
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Join Date: Jul 2007
Location: Longview, tx, usa
Posts: 4
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Your haynes for a 97 accord may say that, but my haynes for a 93 doesn't
![]() any way...the t-belt spring is prolly just a little lax, but most likely fine ...here's the problem, the balance shaft tensioner spring. On that tensioner, the springs coils are completely touching each other (just like when you take the spring off and have it just setting on the table) and it's not pulling on the tensioner at all, it is completely compressed and there is no tension. A worn spring doesn't do that. A wrong spring does, but this isn't the wrong spring...either way doesn't matter... I now know how tight to get it (not that much) and I'll do it by hand. As for the t-belt, of course I know this, isn't supposed to be as tight as a drive belt and I've gotten some specs for it as well so I'll re-do the install procedure and double check it. With interference engines I don't take anything for granted and yes, I will question any procedure in a manual I don't think is working right, after all, I don't have enough phalanges to count the number of times Haynes has been wrong and as to factory service manuals...HA HA...they're not much better ![]() Thanks for the help all! |
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