CAI + TBS = squeeling noise? - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 08-01-2007
i_luv_strats's Avatar
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CAI + TBS = squeeling noise?

About a month ago I installed a K&N intake on my truck, after the install I noticed a squeeling when i step on the throttle. This only happens for a short time in the throttle range, just a little pressure on the pedal gets it to make the squeeling noise then as I press harder it stops and all is normal. This didn't make me think much of it until I installed a poweraide TBS and it got a lot louder, still happens when it did before, just louder. Doesn't seem like much could have gone wrong installing these parts myself, just wondering what's up.
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Old 08-01-2007
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is it a cone style intake? usually, with vehicles that have aftermarket cone style intakes, it is noticeably louder. not too much really.
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Old 08-01-2007
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It's just an air whistle. Randomly happens on different vehicles with different style intakes.
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Old 08-01-2007
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Quote:
Originally Posted by i_luv_strats
About a month ago I installed a K&N intake on my truck, after the install I noticed a squeeling when i step on the throttle. This only happens for a short time in the throttle range, just a little pressure on the pedal gets it to make the squeeling noise then as I press harder it stops and all is normal. This didn't make me think much of it until I installed a poweraide TBS and it got a lot louder, still happens when it did before, just louder. Doesn't seem like much could have gone wrong installing these parts myself, just wondering what's up.
do you have a 4.0 sohc by any chance?

andrew's (rangerboy03fx4) truck did it when he put on his MAC intake, we could never figure out what it was, other then the intake.
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Old 08-01-2007
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it is a cone style, i do notice the sound of the air getting sucked in, just that squeeling is really loud.
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Old 08-01-2007
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At least it just a whisleing sound. My friends 97 hums.
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Old 08-01-2007
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I have noticed the whistle when the throttle opens at first too. i checked and rechecked for air leaks but if it was a leak it would do it all the time and not just when accelerating. I just left it and it has not seemed to harm anything. BTW did you notice any power increases after the TBS was installed?
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Old 08-01-2007
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Well that has been discussed before and most people think there is no gain with a spacer. Why? Because a spacer is old technology. It came out during the carb days and it would help because it caused better air/fuel mixture since it would install after the carb. But now we have injectors so there would be no affect toward mixing the fuel and air.
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Old 08-01-2007
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Quote:
Originally Posted by fddriver02
Well that has been discussed before and most people think there is no gain with a spacer. Why? Because a spacer is old technology. It came out during the carb days and it would help because it caused better air/fuel mixture since it would install after the carb. But now we have injectors so there would be no affect toward mixing the fuel and air.
^what he said, its basically a waste of money.
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Old 08-01-2007
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Mine had a really loud whistle noise from the intake. Especially after I got full header back exhaust and a tuner. I liked it through personally.
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Old 08-01-2007
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Quote:
Originally Posted by Blackhawk
I have noticed the whistle when the throttle opens at first too. i checked and rechecked for air leaks but if it was a leak it would do it all the time and not just when accelerating. I just left it and it has not seemed to harm anything. BTW did you notice any power increases after the TBS was installed?
not too much so far, just seeing if it gets me better gas mileage than 17mpg
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Old 08-01-2007
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throttle body spacers are only good for the little whistle they give off, not any power gains. i like the sound, but i guess ome dont.
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