Why does my truck rattle when I first start it?
Since these devices are operated by engine oil pressure, when the engine is off overnight, engine oil drains out of them, and it take the first few seconds of engine operation to refill them when you first start the engine each day. For those few seconds, a metallic rattle can be heard as you have experienced.
What does it mean when your truck is rattling?
If the rattling sound sounds like it is coming from underneath your vehicle, you likely are experiencing a problem with your exhaust system. Exhaust system problems include catalytic converter problems, muffler issues or corroded pipe, can sound like light rattling to rocks shaking beneath your car.
Why does my car make a weird rattling noise while I’m turning?
The rattling noise means that something isn’t right with the way your wheels are attached to the car. For example, a lug nut may have come loose and started rattling as the wheel turned around. Have your tires and wheels checked as soon as possible.
Why is my Toyota Tacoma making a rattling noise?
Problem Description. Loud rattling or loud slapping may be heard from the engine on the 1995-2004 Toyota Tacoma with the 2.7L I4 engine. These noises has two known causes: a failed balance shaft bearing, and a failed timing chain tensioner.
What causes a loud rattling noise in the engine?
These noises has two known causes: a failed balance shaft bearing, and a failed timing chain tensioner. The balance shaft, also known as the counter rotating assembly, is installed to reduce engine vibration, and counter the rotational force of the crankshaft and camshafts.
What kind of noise does a Toyota engine make?
When the bearing fails, it will rattle loudly, and the timing chain will produce a metallic slapping noise. The rattle has been described as shaking a can of marbles.
What makes a loud slapping noise when the timing chain fails?
When the bearing fails, it will rattle loudly, and the timing chain will produce a metallic slapping noise. The rattle has been described as shaking a can of marbles. The timing chain tensioner is also known to fail, allowing the timing chain to contact the timing chain housing.