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Thread: Civic D15b3; engine making strange grinding sound

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    Default Civic D15b3; engine making strange grinding sound

    Hi,

    The D15B3 in my Civic EG8 used to make a low grinding sound, like some bearing was going bad. Yesterday, the sound turned into a loud grinding sound coming somewhere from the passenger side of the engine, right around the alternator. I got it checked by a couple of mechanics who had to say the complete opposite of each other. One said it's the big end bearing, one said it's the cam bearing and timing belt.

    On my way back, hardly a km of drive, the sound got very loud, like a bearing is broken and coolant started leaking. Now what I think is that it is probably the water pump bearing or seal or something.

    Am I right? What could it be?

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    Take a rod, a straight rod of steel, or sarieaa, put its one side tip on everyplace where u think sound is coming from there, n put ur ear on the other tip, by this u can hear the exact place from where the sound is coming

    Sent from my HTC Desire HD A9191

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    I'm afraid of even starting the engine in the current state.

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    From where coolent begins to leak?

    Sent from my HTC Desire HD A9191

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    Cannot pinpoint the exact leak, it's dripping from somewhere under the PS pump. I don't want to start the car from the fear of breaking something expensive.

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    Quote Originally Posted by shazo View Post
    Take a rod, a straight rod of steel, or sarieaa, put its one side tip on everyplace where u think sound is coming from there, n put ur ear on the other tip, by this u can hear the exact place from where the sound is coming

    Sent from my HTC Desire HD A9191
    @shazo
    Shazo Bhai , kyoun itna dangerous kaam bata rahay hein OP ko .. This rod thing is soo dangerous!! just imagine the rod is placed on the alternator right beside to the moving pulley. Usually when 1 bends down and tries to bring ear close to the upper end of the rod, the rod from the bottom end slips as your body attention is now towards saving your ear NOT to touch the rod with force. The bottom end , which is usually round in shape has no grip with the metal part i.e Alternator / water pump / powersteering pump..
    Just imaging the rod slipping towards the high speed pulley ? and then you,ll never see the rod again as it might open your head in 2 pieces....
    So never suggest such things to someone whose capabilites you dont know!!..
    Thanks

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    @OP
    Do you use AC while driving? BTW try accelerating the car while stationary and see if it increases with it or not. This kind of sound usually result of gone Big Ends but as you say coolant is leaking as well this is situation to look for. If you dont want to try anything yourself take it to your mechanic and ask him to check it throughly. If its water body then car must be getting over heated as well. But lemme tell you one thing either its watebody or big ends you need to get it resolved asap.
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    Quote Originally Posted by supraman2jz View Post
    Cannot pinpoint the exact leak, it's dripping from somewhere under the PS pump. I don't want to start the car from the fear of breaking something expensive.
    Bhai na ker yar. This can be dangerous for an Ametuer. He can take it to mechanic for the resolution of problem.
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    did u over heat?

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    Quote Originally Posted by Ehsan4808 View Post
    @shazo
    Shazo Bhai , kyoun itna dangerous kaam bata rahay hein OP ko .. This rod thing is soo dangerous!! just imagine the rod is placed on the alternator right beside to the moving pulley. Usually when 1 bends down and tries to bring ear close to the upper end of the rod, the rod from the bottom end slips as your body attention is now towards saving your ear NOT to touch the rod with force. The bottom end , which is usually round in shape has no grip with the metal part i.e Alternator / water pump / powersteering pump..
    Just imaging the rod slipping towards the high speed pulley ? and then you,ll never see the rod again as it might open your head in 2 pieces....
    So never suggest such things to someone whose capabilites you dont know!!..
    Thanks
    awwwh man u wrote a lil story of final destination well yes when u are using such thing you should be careful and u must aware about the working for that thing. by this way he could easily fig out that from where the sound is coming.

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    Quote Originally Posted by supraman2jz View Post
    Cannot pinpoint the exact leak, it's dripping from somewhere under the PS pump. I don't want to start the car from the fear of breaking something expensive.
    there is no such place there from where the coolent can leak, check main pully bolt rotate you steering wheel on left side ( driving side) and look behind the right side tire, there is a main big pully, check that bolt it must be of 17", check that its tight or not, or start the engine and try to hear from that side. if the main pully makes sound then switch off the engine and replace it but call ur mechanic at home, dnt drive it or else good bye to your crank!

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    ceck all fluid specially powerstering as PS pump makes wierd soung if its running without oil

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    Its probably water pump or tensioner.

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    I check all fluids regularly, pay close attention to abnormal sounds, etc. The car never over-heats, I use Caltex coolant, the fan is auto and the thermo works well. I'm very finicky about my car.

    The fault was a seized water pump bearing, it was noisey and finally decided to seize up. Let me tell you, the sound was BAD, so bad that passer-bys were staring at the car. I was afraid I will break something if I even start the car, and while taking the car to the mechanic hardly a KM away, it happened! I heard a zzzzzip and the car shut down. The water pump is driven by the timing belt. I knew I had blown the timing belt. Towed it to the mechanic and found the timing belt broken, seized water pump, broken timing cover (broken by the belt) and melted inner cover (melted by the heat of the seized bearing).

    Got genuine parts from Plaza today, the car is still in the shop getting repaired.

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    I know what the PS pump whine or big end sounds like, it was a different sound. It was like the sound you get when the wheels bearing are so gone they're about to break or have already broken. I love my car man, and to get to listen to that sound was heart wrenching..

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    Water Pump Driven By Timing Belt Sounds So Dangerous........! It Fails And You Are Done....Valve Piston safe??? Must Not Be Close Enough Else A Big Disaster.......!

    The Water Pump Bearing Did Have Make Sound Before Seizing ............! Maybe No One Hear Him And He Gave Up..LOL
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    Quote Originally Posted by supraman2jz View Post
    I check all fluids regularly, pay close attention to abnormal sounds, etc. The car never over-heats, I use Caltex coolant, the fan is auto and the thermo works well. I'm very finicky about my car.

    The fault was a seized water pump bearing, it was noisey and finally decided to seize up. Let me tell you, the sound was BAD, so bad that passer-bys were staring at the car. I was afraid I will break something if I even start the car, and while taking the car to the mechanic hardly a KM away, it happened! I heard a zzzzzip and the car shut down. The water pump is driven by the timing belt. I knew I had blown the timing belt. Towed it to the mechanic and found the timing belt broken, seized water pump, broken timing cover (broken by the belt) and melted inner cover (melted by the heat of the seized bearing).

    Got genuine parts from Plaza today, the car is still in the shop getting repaired.
    Said so. Thats why one should always replace timing belt, water pump and tensioner at the same time

    Sent from my GT-P3113 using PW Forums mobile app

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    Quote Originally Posted by SER_GTR View Post
    Water Pump Driven By Timing Belt Sounds So Dangerous........! It Fails And You Are Done....Valve Piston safe??? Must Not Be Close Enough Else A Big Disaster.......!

    The Water Pump Bearing Did Have Make Sound Before Seizing ............! Maybe No One Hear Him And He Gave Up..LOL
    It started making a whine 2 weeks back, I noticed and thought well it's only some bearing and will get it checked when I have time, my own mistake. After a bit of reading I found it's driven by the timing belt. Live and Learn I guess!

    Valves and pistons are fine Allah ka shukar, the engine was at 1500 rpm when it broke and I did not try to restart it, maybe that's what saved it. The mechanic said "koi naiki kaam agai".

    I also took the oppertunity of getting the ATF in the PS pump replaced by genuine Honda PS fluid.

    So, a lesson to all Honda owners; If you spot something that needs attention, get it looked at asap. Delay it long enough and say good bye to something expensive.

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    Quote Originally Posted by fahadwizz View Post
    Said so. Thats why one should always replace timing belt, water pump and tensioner at the same time

    Sent from my GT-P3113 using PW Forums mobile app
    Lesson learned sir! May this thread be a lesson to everyone who drives a Honda. Do your maintenance regularly.

    Appreciate everyone who chimed in and helped. Thank you guys!

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    Why did u have atf in your power steering system? If u have been running atf for long, pray that your pump accepts this change. I wrecked ps pump on my city making the same mistKe. Luckily got a kabli pump in 3k. When i bought my civic i Made sure it had honda oil in it cuz once atf is added into the system its hard to revert back to honda oil

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