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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 07-02-2003, 07:32 PM   #1
4-20sx
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KA ka hissing sound and belt screeching sound aka problem!

alright guys i have a s14 (95) and from 1-3k the motor sounds fine but after 3k it has this hissing sound coming from the intake manifold...and then going into higher RPMz up to 6k it has this loud belt screeching sound..i really dont know wat it is and i was wondering if someone could help me out here...its been doing this for awhile now..i think its cuz i hit the 100k mile symtom...lol..cuz it was never liek this b4..but yea the motor still runs fine but i think i lost alittle performance ( not sure cuz it still feels like it pulls)..it just ****es me off hearing that sound even though it sounds like i have turbo even though im not ;P..anywayz any help would be appreciated

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Old 07-03-2003, 10:37 AM   #2
s13Steve
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I think its time for new belts. Look at them check if they have any stress or cracks in them
As for the hissing sound umm Is the intake system on you car stock?...
Check hoses for any leaks




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Old 07-03-2003, 10:49 AM   #3
vector601
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yea..... check your belt. They might be ready to be replaced. If its not that check the tension. It could be they are just loose, or if your lazy spray some ****ttttt over it and hope it disappears
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Old 07-17-2003, 02:33 PM   #4
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The hiss could be a rattle in your colector or heat sheld. I had a bad rattle from both. At 2000, 2500, and 3500 but know other time. knocked of heat sheld. Welded metel around colector got rid of most of it. I think I have to get a header to get rid of it all.
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