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Thread: But is THIS normal?

  1. #1

    Question But is THIS normal?

    Newbie question alert!

    When I am accelerating (only above 4000rpm) I hear a 'click' from behind me (coming from the engine compartment obviously). There is one click when you put the power on, and another when you lift off. Doesn't happen if you rev the engine when stationary (the neighbours love me I'm sure!).

    The power delivery feels fine, incredibly linear like it's meant to be (although I know peope rave about the sound changing when the VTEC kicks in, I must be bit deaf, because it doesn't sound that different to me, just louder and faster!)

    Any ideas guys?

    thanks

    Robin

    (PS I MAY have some news re OEM tyres in the next couple of days! Watch this space!)

    (Also Hats off to Mark at Dali, new OEM hatch and trunk gas struts and clutch bearings delivered very promptly and MUCH cheaper than Honda UK even after shipping - Thanks Mark)
    1991 Red/Black manual NSX 5 53,000 miles.
    2016 BAC Mono 7,000 miles (just mind blowing, how is it road legal?)

    Daily driver 2005 Porsche 997.1 C2S manual (Peak 911 IMHO)

  2. #2

    Default

    Hmmm, not that normal, can't say mine makes that sound. However just been to Chiswick Honda who think they've sussed the noise that I get from the front of my NSX intermittently. They bled the brake fluid through to get rid of any air in the system but unfortunately it didn't work . . . arrrrghh! They did say however its definitely something to do with the ABS so I'm going to book it back in.

    Regarding the VTEC noise, even with my new exhaust I can't hear the difference when the VTEC cuts in. Yes agreed the noise increases but you don't get the difference in tone you get with, for instance, an S2000.

    Great car though!!!!

    PS . . . keep me inform about the OEM tyres!

    PPS . . . how much did Mark at Dali charge you for gas struts for boot and rear glass?

    Cheers
    Nathan
    Last edited by Minch; 09-11-2006 at 02:51 PM.
    '92 Red/Black
    RS*R Exhaust, DC Headers, SuperDuper LeMans AirScooper, Dali Stealth OEM Airbox Mod: Fujita Filter, OEM 2002+ GOLD calipers + 2 piece race rotors . . . take a breath . . . and finally Nitron one way adjustable suspension!

  3. #3

    Default

    The only thing I can remotely think is that maybe some relay is telling the intake to open up more. Is it in the cabin or outside?

    My NSX-R does not make a sudden transfer to V-tec, but there is the drop in oil pressure that let's you know that it is working and a definite change in tone.

    Cheers,

    AR

  4. #4

    Default

    $115 for the hatch (pair), $119 for the trunk (pair, with balls of course!) as per the website

    postage was $46 but also included postage for some clutch bearings which are heavy

    From Honda UK I think that the price was around £120 for each pair of struts (!)
    1991 Red/Black manual NSX 5 53,000 miles.
    2016 BAC Mono 7,000 miles (just mind blowing, how is it road legal?)

    Daily driver 2005 Porsche 997.1 C2S manual (Peak 911 IMHO)

  5. #5

    Default

    Quote Originally Posted by rkanaga
    Newbie question alert!

    When I am accelerating (only above 4000rpm) I hear a 'click' from behind me (coming from the engine compartment obviously). There is one click when you put the power on, and another when you lift off. Doesn't happen if you rev the engine when stationary (the neighbours love me I'm sure!).

    The power delivery feels fine, incredibly linear like it's meant to be (although I know peope rave about the sound changing when the VTEC kicks in, I must be bit deaf, because it doesn't sound that different to me, just louder and faster!)

    Any ideas guys?

    )
    No it's not normal, it means you car's going to explode!!

    (sorry I didn't have anything constructive to write, but wanted to be like the others and post anyway).

    Cheers,

    James.
    I am Godzilla, you are Japan!

  6. #6

    Default

    OK the clicking (well in the case of my car anyway) is the high pressure fuel relay, a loud click is fine according to Honda.

    It is located behind the passenger seat.

    Please let me know details on OEM tyres ASAP, I am in the market for buying.
    ****1997 3.2 Orange / Black SOLD****

    Previously driven by.........

    Jeremy Clarkson, Tim Harvey, Richard Burns (RIP), Jason Plato, Harvey Postlethwaite (RIP), Manfred Wollgarten, Dirk Schoysman, Barrie Williams.

    Nurburgring lap time 8:38 - Honda NSX (sport auto, 08/97)

  7. #7
    Join Date
    Apr 2004
    Location
    West Sussex
    Posts
    4,538

    Default

    I think you should have a little look here:

    http://www.nsxprime.com/FAQ/Troubleshooting/noise.htm

  8. #8

    Talking

    DOH! And I thought I had read everything on 'Prime!

    So it is the normal sound of the fuel pump relay switching to high pressure mode above 4000rpm & moderate-high load. (engage warp drive Mr Scott!)

    PS my wife thinks that I have finally lost all grip on reality when I starting sticking the new gas strut 'balls' in lumps of the kids playdoh in order to paint them!
    Last edited by rkanaga; 10-11-2006 at 11:50 AM.
    1991 Red/Black manual NSX 5 53,000 miles.
    2016 BAC Mono 7,000 miles (just mind blowing, how is it road legal?)

    Daily driver 2005 Porsche 997.1 C2S manual (Peak 911 IMHO)

  9. #9

    Default

    High pressure fuel relay

  10. #10

    Default

    The thread is wavering a little but wrt struts - get them regassed, I previously posted "I was quoted about £180 for a pr of glass hatch struts by my local dealer who would only allow a 5% discount. I have just had them regassed instead by http://www.sgs-engineering.com They are in Derby, charge was £45pr inc delivery & VAT with immediate turnaround - ask for Andy. They will also supply new units for about £100" They are still fine a year later,

    John

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