CTR weird engine noise...

CTR weird engine noise...

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Animal

Original Poster:

5,342 posts

275 months

Tuesday 17th October 2006
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Have noticed a weird noise coming from the front end (assume engine) that sounds like a light spring or similar vibrating very quickly (almost like a 'fizzing'). It only ever happens between 3,000 and 3,400 rpm irrespective of whether I'm accelerating, decelerating or on a constant throttle.

Car is only at 25k miles ('03 plate) so I would hope nothing serious...

Anyone else have similar experiences or am I the special one?!

anonymous-user

61 months

Wednesday 18th October 2006
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Heat shield resonance rattle?

_Batty_

12,268 posts

257 months

Wednesday 18th October 2006
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Animal said:
Have noticed a weird noise coming from the front end (assume engine) that sounds like a light spring or similar vibrating very quickly (almost like a 'fizzing').

thats a Vtec 4pot for you hehe
theres a honda forum too hehe
i'd second a heat sheild, probs near the cat or manifolds.

foggy

1,171 posts

289 months

Wednesday 18th October 2006
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I've had 2 similar resonances with my CTR, both quite common and easily fixed.

The first was the plastic cover on the top of the engine over the plugs. The cure is either to put a couple of spacer washers on the bolts under brackets to lift the plastic cover clear of the cam cover, and/or bend the brackets a tad so it doesn't hit when it does vibrate.

The second (more of a metallic tinkley sound) was caused by the heatshield between the intermediate driveshaft and the exhaust. Get the car up int the air it's easy to see underneath. The heatshield cracked from one corner, probabaly through fatigue as it vibrated because one of the bolts was loose, which caused it rattle more as the crack grew. A new one from Honda was about £30, it took me longer to jack the car up and put it on the stands than it did to remove the offending heatshield and replace it, just need to undo 3 bolts and it comes out fairly easily, then refit.

HTH!

Animal

Original Poster:

5,342 posts

275 months

Wednesday 18th October 2006
quotequote all
Back to the dealers for a warranty job then!

havoc

30,889 posts

242 months

Wednesday 18th October 2006
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LexSport said:
Heat shield resonance rattle?

yes

Had that on both my hottest Hondas. Came and went on both.