Mar 6, 2014 · If you hear a high-pitched whistle coming from your engine, especially when coasting or at idle, it's likely due to a vacuum leak. Here's how to troubleshoot it: * **Check for …

Jan 7, 2016 · So this cold weather is killing my jeep, I got a new battery cause my other own died, but since the weather got cold when I start it, it makes an extremely loud whistling noiSe, like a …

Jul 18, 2016 · I just got a 2012 wrangler unlimited sport hard top and whenever I go over about 30mph I can hear a high pitched whistling noise. I can't specifically point out where it's coming …

Feb 14, 2012 · If you're hearing a whistling noise from your Jeep when you let off the gas, several potential causes were identified: * **Throttle Body Spacer:** If you have one installed, it could …

Jan 14, 2013 · Throttle body spacers can cause a whistle/squeal sound. If you don't have one and it's your actual TB causing it, try tightening it down. It's been a while since I've had mine off, …

Feb 27, 2017 · The high pitch steam whistle sound or tuning fork sound as I've heard it called, resulting from wind causing the aluminum fins to vibrate. Using some of the cures on the forum …

Jul 14, 2021 · Are you hearing this whistle only when the vehicle is moving? Despite your fear, this might only be resolvable by the dealer's service folks. If you are hearing this whistle …

May 30, 2018 · If you hear a whistling sound when depressing your brake pedal, it may be due to a vacuum leak in the brake booster. While it might not immediately affect braking performance, …

Jan 26, 2015 · Nothing is that easy. Well I will be darned if it didn't 100% stop the whistle. 100%. I took it on the highway to speeds up to 75mph seeing if I could get it to blow off. It stayed …