Engine sounding a bit loud. - Page 8 - Nissan Murano Forum
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#106 Old 08-31-2011, 08:20 PM
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Originally Posted by gatubel View Post
for all the ones that replaced the fuel dampers... are they the same part?

I mean do they look the same? cuz i found some online but it doesn't ask me which one I need. for instance the wiper blades, one is longer than the other one therefore the part numbers are diferent. is this not the case with the fuel dampers? thanks
I know there is one on the passenger and one on the drivers side. I imagine they are the same BUT a quick call to your Nissan dealer parts counter can tell you if they are the same. Don't order till you find out if they are the same part #.
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#107 Old 01-26-2012, 08:27 PM
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Both Dampers Bad?

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Originally Posted by bob1 View Post
No problem, this place is like that, people leave helpful tips and you will see many former owners hang around for chit-chat.

JTRC51 is right on in that post above, he pin pointed what you need to do.

Good Luck
Bob1

I am new to the forum and have learned a lot from your posts, Thank you. One question on Fuel dampers. I just bought my 2003 Murano with 101,800 miles on it about a 2 weeks ago and the clicking is driving me crazy. It ticks at idle or less then 1000 rpms and once the car warms up. We live in Iowa and have not had real cold mornings but when I start the car first thing in the morning I do not hear it. After a couple of minutes or at a stop light I hear the clicking. I have found the 2 dampers but both vibrate and both are loud when I use my Hillbilly stethoscope aka screw driver. Should they be quite? They both sound about the same and they do replicate the noise I hear in the car. I also hear the same noise in the lines under the driver door that I assume are the gas lines that run from the rear to the firewall. Do you think both are bad?

Also on a side note you can check the dampers with out taking off the shroud. You can see them on the driver side near the rear of the black shroud toward the fire wall. Just a heads up for people that are reluctant to tear into the engine. It is not as intimidating as it first appears. I used a screw driver and it worked great. Thanks again to all that post, it is very useful for guys like me that know just about enough to be dangerous.
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#108 Old 01-26-2012, 09:35 PM
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I think the Murano owners have a bond, I may not post much since I am in the former owner category but I still cruise the board and jump on if I think the previous experience helps.

I only had the one go bad on the drivers side. Frankly, I did not know of the other till someone here posted there were two. I guess you can tackle the one that is accessible and visible and see if that cures the tic-tic-tapping you hear. Only go after the second one if it is not cured. Those suckers are expensive so don't just drop the dough for both if just one may be on the fritz.
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#109 Old 02-02-2012, 08:54 PM
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Fuel Damper fixed

I just got done replacing the rear Fuel Damper and not ticking at all I hope this is the fix. It only took me a total of about 30 min. Here is what I did.

Take off the engine cover (5) 5mm Allen wrench screws.

Loosen (2) hose clamps that hold the air intake system Flat or regular blade screw driver, one by the manifold and one by the air filter. Move the air intake assembly out of the way.

Take out the (2) 10mm bolts that hold the damper to the fuel rail. About 1/3 of a cup of fuel will come out of the fuel rail. I put a small cup under the damper to catch it. Not much of a mess at all, I did not pull the fuse from the fuel pump.

There are a couple of clamps to remove that just slide over hoses to hold the hose together.

Use a pliers to squeeze the compression fitting to disconnect the fuel line from the damper line.

Take the green clip that came with the new damper and put it on the fuel line from the car and snap the line connectors together.

Put the Damper onto the fuel bar with (2) 10mm screws.

Then just reverse the order. Put the hose clamps on, put air intake back on and tighten the clamps, then put the engine cover back on.

Like I said it took me 30 min and I am not a mechanic. I bought the part from PartsGeek for $111 and I think the dealer would have charged me $300 or more. I forgot to check if the dampers make any noise but I do not hear anything in the car at all. If you think about it, the rear damper supplies the front damper and in my case both dampers were making the ticking noise. If the rear damper is bad the front damper is going to make noise as well because the rear feeds the front. I am not mechanic but that is my philosophy. If I need to replace the front damper I will, but for now I am going to keep the $75 in my pocket. I hope this post helps others who are have a ticking noise in their car.
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#110 Old 02-02-2012, 09:52 PM
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Nice going Strabs, If you don't hear it in the cabin. you nailed it.
It's easier to hear inside than out since the damper is right up by the firewall.

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#111 Old 02-03-2012, 04:17 AM
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Hi guys. New owner here of a '12 SL AWD. wife loves it.

anyhow, I have NOT read the entire thread, BUT want to ask:

when I accelarate from a dead stop, the engine sound its like is trying hard , its like its holding on a certain gear BUT dont want to let go but I can see the RPM goes down. during that time the engine really sounds awful. (sorry I've been a honda screaming engine fanboy).

is the sound normal? I mean I'm under 3500RPM and it really sound awfully loud, how much more after the break-in, well above 4K RPM?

any inputs? TIA

previous owner of '12 SL AWD
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#112 Old 02-08-2012, 12:44 PM
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i have a 2003 with 119203 miles on it... it was making a loud noise in the cabin too, you could not hear it under the hood.took it to my local dealer he found the noise,, it was the transmission.. but good news Nissan extend the warranty to 120000 so they would replace it free...had to order one. took it back in a couple of days and they repaced it..took a week they had trouble getting the new one in.. picked it up and drove off.. noise i heard was still there and an new noise now... went back to the dealer to check new noise out.. took them about an hour and reported the new noise was the fuel dampers... I decided to get a second opinion... they said they thought it was the fuel pump making the noise.. so now I don't know what to do.. don't want to spend a lot of money on the car and it might not get fixed... still driving the car 4 months later have put 5000 miles on it...still have the problem but it is not getting louder mechanic said it is not going to hurt anything to drive it.. anyone had this problem?
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#113 Old 02-08-2012, 01:20 PM
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Yep, fuel dampers. Mine have been making the noise for quite a while. Haven't seen any problems with just letting them make noise. You lucked out and got a free tranny in the deal!! I guess troubleshooting is a lost art form these days at dealerships.
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#114 Old 02-08-2012, 07:52 PM
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Originally Posted by jervil View Post
i have a 2003 with 119203 miles on it... it was making a loud noise in the cabin too, you could not hear it under the hood.took it to my local dealer he found the noise,, it was the transmission.. but good news Nissan extend the warranty to 120000 so they would replace it free...had to order one. took it back in a couple of days and they repaced it..took a week they had trouble getting the new one in.. picked it up and drove off.. noise i heard was still there and an new noise now... went back to the dealer to check new noise out.. took them about an hour and reported the new noise was the fuel dampers... I decided to get a second opinion... they said they thought it was the fuel pump making the noise.. so now I don't know what to do.. don't want to spend a lot of money on the car and it might not get fixed... still driving the car 4 months later have put 5000 miles on it...still have the problem but it is not getting louder mechanic said it is not going to hurt anything to drive it.. anyone had this problem?
If its under the hood noise, its the fuel dampers. The fuel pump is inside the gas tank.

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#115 Old 02-09-2012, 04:01 PM
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Jervill, was yopur transmission sluggish at all. Mine seems to be a little sluggish from 20 - 40 mph.

The Fuel Dampers are simple to put in. I would first replace the rear damper as it feeds the front damper.
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#116 Old 09-20-2012, 02:26 PM
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my murano sucks

hi to all,
Sorry for this comment which i think is not relevant to the whole thread..and sorry for my English as well.. Hopefully you can understand me.. I have a second hand Murano 2005 .. I hear some rattling sound coming out when i change the gear L especially when i climb up a hill.. and sometimes when i am driving normally on D!
There is also some other problem.. The car is so awful on rough roads. I mean not flexable enough.. Although i changed the Tie Rod Ends, but still hear that disturbing sound, and the car is not comfortable at all on rough roads. I guess it is the shock absorbers!
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#117 Old 01-01-2013, 04:37 PM
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Originally Posted by strabs15 View Post
I just got done replacing the rear Fuel Damper and not ticking at all I hope this is the fix. It only took me a total of about 30 min. Here is what I did.

Take off the engine cover (5) 5mm Allen wrench screws.

Loosen (2) hose clamps that hold the air intake system Flat or regular blade screw driver, one by the manifold and one by the air filter. Move the air intake assembly out of the way.

Take out the (2) 10mm bolts that hold the damper to the fuel rail. About 1/3 of a cup of fuel will come out of the fuel rail. I put a small cup under the damper to catch it. Not much of a mess at all, I did not pull the fuse from the fuel pump.

There are a couple of clamps to remove that just slide over hoses to hold the hose together.

Use a pliers to squeeze the compression fitting to disconnect the fuel line from the damper line.

Take the green clip that came with the new damper and put it on the fuel line from the car and snap the line connectors together.

Put the Damper onto the fuel bar with (2) 10mm screws.

Then just reverse the order. Put the hose clamps on, put air intake back on and tighten the clamps, then put the engine cover back on.

Like I said it took me 30 min and I am not a mechanic. I bought the part from PartsGeek for $111 and I think the dealer would have charged me $300 or more. I forgot to check if the dampers make any noise but I do not hear anything in the car at all. If you think about it, the rear damper supplies the front damper and in my case both dampers were making the ticking noise. If the rear damper is bad the front damper is going to make noise as well because the rear feeds the front. I am not mechanic but that is my philosophy. If I need to replace the front damper I will, but for now I am going to keep the $75 in my pocket. I hope this post helps others who are have a ticking noise in their car.
Thanks for the directions...

Our 07 Murano sounds like a diesel truck when idling. There are no exhaust issues...I tried the screwdriver trick and can hear the rear fuel damper rattling along with the sound from engine. It is a chattering sound. The front damper makes some noise but it does not seem to be as bad. My plan was to replace the rear and if it doesn't fix the noise, do the front.

I was cruising along with your excellent directions until I got to the step of removing the quick disconnect. Where do I squeeze the pliers to remove it? I tried everywhere on the yellow plastic fuel supply. I even took a picture from the firewall side. It looks like I would squeeze right where the green clips are..correct? Is there a trick to this? I don't want to break the yellow connector as I have tried doing it with some force.

Thanks in advance for anyone who can help me out. The wife is sick of hearing the noise that she wants to get rid of the Murano. I am hoping this quick fix quiets the Mo down back to how she was before and we get many more years of use out of her.

Steve
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#118 Old 07-09-2013, 12:43 AM
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I think I am hearing the same sound too on my project 2003 SE AWD. I guess I will try the stethoscope as I have one too and get cracking on replacing it.

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#119 Old 09-03-2013, 01:52 AM
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quick question... do u need any special tools to take off the fuel lines/dampers?
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