A growling noise on acceleration often points to issues with the transfer case, driveshaft, or exhaust system. Inspect the transfer case fluid level and condition, as low or contaminated fluid can cause …

Oct 4, 2021 · I just had my 2021 F-250 6.2L with the 6-speed into the dealer for the exact same issue. Under light acceleration, right around 23-28 mph, 3-4 gear, there's a grinding noise in the drive train.

Nov 27, 2020 · Kinda sounds like its engine braking noise. When the truck uses the engine/trans to slow down vice the brakes or coasting, it can sound like a growl. Does it make this noise in tow/haul or …

Apr 9, 2019 · If the noise sounds like metal to metal and is coming from the timing cover area I'd say the camshaft timing gear is going bad. The 300 six is a non interference engine.

Nov 15, 2019 · Sometimes upon applying the brake it seems to “turn on “ the growling sound but it will also do it by just slowing down. In order to isolate the cause, I would raise the wheels and spin each …

Apr 2, 2011 · Mine makes the growling noise like after I've gotten up to speed on the hwy (75) then as I let off the gas the growling starts low and increases as the truck stops accelerating and is just …

Does anyone know what this sound could be happens when slowing down or speeding up FORD F250-F350 owners discuss a mysterious sound when slowing down or...

Experiencing a noisy engine when slowing down? Discover common causes like wear and tear or driving habits, and learn to diagnose these issues with listening and visual inspection techniques.

Aug 16, 2022 · Sounds like a minor version of the noise they make when the exhaust manifold studs break and the gasket starts to leak. When the leak bad enough they sound very much like a kazoo.

Jan 19, 2024 · At around 270 miles I started noticing a high-pitched whirring sound when above 20mph. It changes with road speed and is not affected by what gear the truck is in or how fast the engine is …