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Thread: under bonnet lining

  1. #11
    Join Date
    Dec 2008
    Posts
    22
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    Newbie alert!

    You'd wonder whether or not fully removing the lining and painting the under-side of the bonnet with heat-reflective paint would solve a couple of (potential) problems...

    1) No sagging bonnet lining.

    2) No (potentially) paint blistering on the bonnet (Outside painted surface).

    This is, of course, aside from the attendant noise increases associated with this exercise.


    Happy to be corrected on any of the above.

  2. #12
    Join Date
    Aug 2008
    Location
    Perth
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    1,209
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    Ok, I thought I would just complete this thread.

    I took the under bonnet lining off and took her for a spin, this is what I have noticed:

    There is no appreciable engine noise increase, SWMBO didn't even notice anything!

    The outside of the bonnet does get hotter, particularly in the centre.

    The engine temperature gauge was definitely seen to be higher. It was only very slightly hotter, not even the width of the needle, but definitely running hotter.

    I ended up putting the lining back in and just trimmed some of the loose parts.

  3. #13
    Join Date
    Jan 1970
    Location
    Canberra, Australia
    Posts
    786
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    The engine bay liner was really tatty on mine when I got it, removed, and as a diesel, it was louder I think... BUT stuck Under Bonnet Sound and Heat Insulation in the centre section, and both sides of the RRC bonnet ... made it VERY much quieter.
    details of UBS&HI at
    Tru-Fit Carpets - Moulded Automotive Car Carpets for over 30 Years and 700 models

    follow the links for sound proofing and you should find this sticky back, black fabric covered foam product.
    Michael T
    2011 L322 Range Rover 4.4 TDV8 Vogue
    Aussie '88 RR Tdi300 (+lpg), Auto (RIP ... now body removed after A pillar, chassis extension to 130 & fire tender tray.)

  4. #14
    klappers Guest
    bonnet lining....hey???

  5. #15
    sparks Guest
    Mine was sagging too,but was not damaged in any way.
    I just removed it,cleaned the underside of the bonnet and glued it back on with spray contact adhesive.
    I did this 6 months ago and it has not sagged yet.

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