2008 Toyota Tundra Humming Noise

I have noticed this week that my truck 2013 limited makes that hummingdroning noise while highway driving.

2008 toyota tundra humming noise. It is a constant noise that gets louder at higher speeds and is nonexistent at very slow speeds ie parking lots. The engine was off and it hadnt been running in over 24 hours. My 2008 Toyota tundra 57L V8 wont start or turn over Ive replaced starter tried jumping it off still nothing.

So I thought oh great its my wheel bearings again. The 2008 Toyota Tundra has 3 problems reported for noise from drivetrain. Alternator whine is a product of a drop in voltage between the radio and the alternator itself.

But it is only when under load. It is usually way more noticeable on the AM band of the radio. Differential noise I have a 2001 Toyota Tundra Limited TRD with 162000 miles.

Visit Sparks Parts and save 5 using promo code TundraDude34Like-Comment-S. Got under the bed vacinity of the rear axle and something motor like was definitely making a humming noise. The noise is from the secondary air pump which sends hot air to the catalytic converter when the engine is cold.

Was making a humming noise that would increase in pitch with acceleration. Dont ignore it listen to it and use this guide to help troubleshoot the sources of the noises coming from your Tundra. It started 75 through an 1800 mile drive 3 years ago.

Thats why it is important to know the other warning signs of a bad bearing before just going in and replacing it. If your Tundras stereo is making a whining noise it is usually caused by a condition known as alternator whine. The dealership also stated this was normal but I was persistant and got the service manager involved took him for a ride and he heard it.