2000 Civic Metallica Engine Noise at High RPM

Tiny
TS1970
  • MEMBER
  • 2000 HONDA CIVIC
I have a 2000 Honda Civic, I have been the only owner. The car has 104,500 miles on it. The engine, upon acceleration, at approximately 3000 RPM will make a metallic noise, whirling, metal hitting metal, in a way, but tinny. Kinda like a box fan when you move it and the arms hit the protective grate.

It only does this if the engine gets to about 3000 RPM and above. So, if you are a stop light, accelerate, the noise starts at about 3000 RPM, the car will then shift to second, as it goes up through the gear, again at 3000 RPM or so, the noise starts. It does up through all the gears. If I'm on the highway and going faster than say 70 or so and the RPM is above 3000, then the noise will be there. If I back off the accelerator in either instance, the noise will go away, returning upon acceleration above 3000 RPM.

It makes no noise if the car is in park or neutral, no matter how high I rev the engine. Only when moving.

The vehicles power seems slightly diminished and it is getting poor gas mileage. This began 4 days ago, that I first noticed.

In March, when the vehicle had 100,000 miles on it, it died in the middle of the road and I took it to the dealer, as I could not restart it although it would crank. They replaced the engine coil to fix the problem. But, I also had a major tune-up performed, as well as the timing belt replaced. This was 4 months ago.

Any ideas? Someone said this sounds like a timing belt issue, but having had that just replaced, I'm thinking more of an exhaust manifold. Or something.

Expense?
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Thursday, July 12th, 2007 AT 12:36 AM

4 Replies

Tiny
BRUCE HUNT
  • EXPERT
If I am right the expense is Cheap, cheap. Put the car on ramps at the front of the car. Crawl under the car and follow the exhaust back to the rear of the car. Somewhere along the way one of the heat shields is loose. Not slide it around loose but slighly moveable. Any movement is a potential for that noise.

I have to pause here and ask if Metallica is your favorite group. You slipped that one in there nicely.

I places the shielding could be fine but the exhaust sits too close to it. Be picky and you will probably find it.
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Thursday, July 12th, 2007 AT 11:43 AM
Tiny
TS1970
  • MEMBER
I'll check it out and it does happen that Metallica is my favorite group. But I didn't do that on purpose.I noticed when I was typing the body of the message I did that twice and corrected it. Guess I missed the title. Sorry!
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Thursday, July 12th, 2007 AT 3:58 PM
Tiny
BRUCE HUNT
  • EXPERT
Not a problem, just commenting.
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Tuesday, July 17th, 2007 AT 10:20 AM
Tiny
TS1970
  • MEMBER
OK, I drove the car Saturday to my parents house. Which is about 45 minutes away. I noticed a definite decrease in power on the vehicle as I was driving it. Half the trip was on the highway and the vehicle basically performed as if the AC were constantly on, even though it was never on. Example, going up hills. Not big hills, but just typical highway hills.I had to floor the accelerator just to maintain speed. Normally, in that case, it would pickup speed.

Anyway, to make a long story short, I took the car to my father's friends service shop (the only person I trust to look at my car, who I know won't BS me). The Catallytic converter is going out. Cost $320 parts and labor to replace that and the heat resonator.
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Tuesday, July 17th, 2007 AT 10:41 AM

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