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Thread: Civic 2000 engine block change

  1. #1
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    Default Civic 2000 engine block change

    My car civic vti model 2000 M/T with its stock engine has started to reduce the engine oil.
    My queries are:<?xml:namespace prefix = o ns = "urn:schemas-microsoft-comCivic 2000 engine block change - PWhat might be causing this problem, and what should be the way forward to tackle this issue properly.<o:p></o:p>
    Is it wise to change the block of the engine alone to save on the cost, if yes:<o:p></o:p>
    a. Which engine blocks are compatible with my current setup?<o:p></o:p>
    b. What is the price tag of the proposed engine block?<o:p></o:p>
    c. Which sensors and other stuff do I need to change with the new block?<o:p></o:p>
    d. How successful this new mini-me can prove?<o:p></o:p>
    e. Any other possible remedy(s)!<o:p></o:p>
    <o:p></o:p>
    The engine code is PK6xxxx (a PDM version of D16Y8 most probably) and the ECU is P2M-N12.<o:p></o:p>
    Apart from the issue mentioned above there is no apparent problem with the engine.
    <o:p></o:p>
    <o:p></o:p>
    I have gone through various threads and posts where this problem has been discussed. A few such posts are reproduced here with the courtesy of Xulfiqar, Hash4U and Saadzae92:<o:p></o:p>
    Some of the salient points are:<o:p></o:p>
    1. Check the compression of each cylinder must be inside the 135-199 psi band (≈ 10:1), if not<o:p></o:p>
    2. Then remove the valve cover and check the crusted oil deposits on and around the valve stems, the valve seals, stem and guide must be a victim of excessive wear.<o:p></o:p>
    3. If the piston rings are worn-out the spark plugs tips must have developed carbon soot on them.<o:p></o:p>
    <o:p></o:p>

    Regards


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    is it smoking on idle? or on revving? what color? blue white?
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    if u want to be done with it in the "desi" way, just change the piston rings and head gasket. provided you havent overheated the engine before and the pistons have been damaged.
    you want to do it the right (pakistani) way, put in a new engine (block + head), all ur other old parts will work just fine on it.
    but if u wanna do it how i would do it, rebuild the engine!! and by that i mean do it yourself, clean EVERYTHING including the cylinders, valves injectors etc. install new piston rings and change seals/gaskets. if done right (with the addition of changing a few parts) this can give a worn out engine new life (i'd say abt 100k km's!)
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    Quote Originally Posted by SpoonMotorSports View Post
    is it smoking on idle? or on revving? what color? blue white?
    Dear Brother!

    No, the engine is apparently not producing any kind of smoke nor bluish neither whitish (while running on CNG, can't exactly confirm for petrol)

    Regards

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    how did you deduce the block is bad?? Honda engines are square or oversquare mostly and have good R/S ratio - meaning that the block lasts for intergalatic mileages.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by Durrani90 View Post
    if u want to be done with it in the "desi" way, just change the piston rings and head gasket. provided you havent overheated the engine before and the pistons have been damaged.
    you want to do it the right (pakistani) way, put in a new engine (block + head), all ur other old parts will work just fine on it.
    but if u wanna do it how i would do it, rebuild the engine!! and by that i mean do it yourself, clean EVERYTHING including the cylinders, valves injectors etc. install new piston rings and change seals/gaskets. if done right (with the addition of changing a few parts) this can give a worn out engine new life (i'd say abt 100k km's!)

    <SPAN style="FONT-FAMILY: 'Verdana','sans-serif'; COLOR: black; FONT-SIZE: 10pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">Dear Brother!<?xml:namespace prefix = o ns = "urn:schemas-microsoft-comCivic 2000 engine block change - PYou are correct but it is really a hectic job, I had once a carby D15 engine in one of my car, it was also decreasing the oil level. However there was no smoke coming out of it and was in so called "water throwing condition", the whole engine was disassembled each and every part was cleaned thoroughly with petrol. The engine was then reassembled with new rings and gaskets. The issue was resolved but soon i shifted to the efi D15B .<o:p></o:p>
    Now coming to my original issue as the car itself and the engine (if oil issue is not included) is in really good and original condition, so that is why I am not in favour of messing with any of its vital parts . However at the same time I want to kill this issue once and for all.<o:p></o:p>
    I am a bit confused; the mechanics suggest engine-block change.<o:p></o:p>
    What exactly should I do...............<o:p></o:p>
    Regards<o:p></o:p>

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    why were the old rings changed??

    It seems to me that your mechanics are either duping you or have no idea what they are doing..
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

  8. 22-05-2012, 10:45 PM

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    did u ever over heat this engine?
    has this block been open before for gasket/facing/ring job?
    Life is short and very unpredictable just like a Quarter mile .....

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    Exactly as Xulfiqar asked, how is it that you say the engine is drinking up oil? Apart from what the mechanics told you.

    I really don't think you need a new engine block, get the car checked from Honda Pit Stop if you can't seem to get to the roots of your problem.
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    Quote Originally Posted by Xulfiqar View Post
    why were the old rings changed??

    It seems to me that your mechanics are either duping you or have no idea what they are doing..
    For the D15B carby, the rings were changed as a proactive measure. As I mentioned earlier the engine was fully dismantled and was thoroughly cleaned with petrol, there were layers of old hardened engine oil around the valve area. According to the mechanic the previous owner was careless and used to not change the oil on time.

    Regards

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    Quote Originally Posted by Xulfiqar View Post
    why were the old rings changed??

    It seems to me that your mechanics are either duping you or have no idea what they are doing..
    For the D15B carby engine, the rings were changed as a proactive measure. As I mentioned earlier the whole engine was fully dismantled and cleaned with petrol as there were layers of crusted engine oil around the valves area. According to the mechanic the previous owner was careless and used to not change the oil on time.

    Regards

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    Quote Originally Posted by shabbir.1 View Post
    For the D15B carby, the rings were changed as a proactive measure. As I mentioned earlier the engine was fully dismantled and was thoroughly cleaned with petrol, there were layers of old hardened engine oil around the valve area. According to the mechanic the previous owner was careless and used to not change the oil on time.

    Regards
    what was the condition of the bores, you cannot expect rings to seal in a bad bore, and what sort of honing was done? or were they just slapped it on a glazed bore.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

  14. 23-05-2012, 10:04 PM

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    Quote Originally Posted by Xulfiqar View Post
    how did you deduce the block is bad?? Honda engines are square or oversquare mostly and have good R/S ratio - meaning that the block lasts for intergalatic mileages.
    Quote Originally Posted by hash4u View Post
    did u ever over heat this engine?
    has this block been open before for gasket/facing/ring job?

    Since we have owned this car, it has been once a victim of "over heating".
    The radiator used to lessen the water level at that time. As a first step a number of radiator caps were tried and then the radiator itself was changed, in fact 2 or 3 were changed in quick succession as the issue was not getting solved.


    There were no vissible traces of water escaping from the head gasket. However, the engine head was removed to find out the issue. When the head was removed it was discovered that the were rust is the water channels around the cylinder areas and the water was actually escaping from the small pores developed in to the water circulating channels due to the rust. Once those pores were filled the over heating and water loss issue was solved. Since then the engine was performing at its peak.

    Now when the mechanic inspected the engine for the oil loss issue there were deposits of dried oil around the valves of the number 3 cylinder (from the distributor side) .


    Apart from that the mechanic told us that there is some sound coming out from the engine too.
    He told us that this can be due the splayed cylinder no. 3 or due to the loosen connecting rod with the crank shaft or the crankshaft may have a wobbly connection at one end.
    Apart from that the rust which was once there in the water channels inside the block makes me worry too.


    Now please suggest what should I do.....
    The block is available around 35k and if go for the repair of these items it may cost around 20k.


    Regards

  16. 23-05-2012, 10:14 PM

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    complete overhaul in honda's hardly works out
    assembly swap is better
    did u check the junkyard, what are the available options?
    do they have d16y6?
    or D15B 3 stage vtec ones?
    Life is short and very unpredictable just like a Quarter mile .....

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    any chance you can post pictures of engine ?
    what you posted above says -

    1. You been using tap water for cooling system
    2. The cooling lines become PORUS and water leaks - correct me by PORUS means the 'TICKLI' in block was leaking
    3. Oil sludge at cylinder 3 means a) Oil pump is worn out b) oil filter never replaced

    what is odo reading & maintenance history of your vehicle. i still believe the engine can be repaired with a careful machining & honning as said by GURU.
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    You say that missing material was discovered on the block head mating face caused by rust and corrossion and these "pores" were filled. How exactly were they filled? If hot metal was welded on to the outside of the bore liners to "complete" the mating face, then for sure the bores must have been redone and honed and the block face cut too. In personal experience your block is wasted now, The cutting of the block and head would render the timing marks to be off TDC when the belt is installed and tensioned, it would also upset compression, as the original metal head gasket for this engine is very thin, if you changed it to paper then you are already losing the battle.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    I thank you all for your time and valuable comments. The problem has been resolved now. The oil loss was due to the bad valve seal as shown below....

    Civic 2000 engine block change - 22bzgn

    Civic 2000 engine block change - 2ic85fs

    Civic 2000 engine block change - o8v239

    Regards

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    that is not a valve seal. its a spark plug hole seal.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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