Reinforcement ribs inside the timing - chain cover reduce
timing chain noise, and integrating the water pump, oil pump and scavenge oil pump into the timing chain cover reduces weight.
Not exact matches
Between the raspy, wheezy intake / exhaust
noise, the direct - injection
noise, and what sounds like the
timing chain dinging around the engine bay, the N20 turbocharged 2.0 - liter I - 4 seems to be about as grumpy in the morning as we are.
Most of the
time when this
noise occurs from this engine, it is a
timing chain problem.
The Tau also has a rigid bed plate for improved block rigidity and lower NVH (
Noise, Vibration, and Harshness), as well as camshaft carriers and a roller
timing chain to improve valvetrain stability.
The Nu engine also features a maintenance - free silent
timing chain to enhance durability and reduce
noise, vibration and harshness (NVH).
The new engine has
noise - reducing features such as a cast exhaust manifold, steel crank, low -
noise timing chain and direct mount accessories that contribute to a quiet - cabin experience.
It is the
timing chain tensioner that usually makes
noise at average rotations.
Then, on my way to work one day a few months later my car made a terrible
noise so I pulled over... The
timing chains broke (that's great for the transmission)... So I had those replaced under special policy.
The continuously variable transmission (CVT) has a new
chain for quieter operation, and the
noise abatement continues with revised engine
timing that helps cut down on
noise during acceleration.
The Lineartronic CVT on 2.5 - liter equipped cars now uses a quieter ultra-short-pitch
chain, and adjustments to engine
timing under acceleration further reduce powertrain
noise.
An automatic hydraulic tensioner also is used to maintain optimal tension on the
timing chain, which reduces
noise and vibration.
Cons: Large turning radius, limited cargo space, expensive to maintain, recommended premium fuel, depreciates fast Common problems: In early models, a bad
timing chain tensioner can cause a rattling
noise when the engine is started and the Check Engine light.
A new piston coating reduces friction throughout the four cylinders, while a new
timing chain crank sprocket reduces engine
noise, in line with the additional soundproofing throughout the car.
The Nu engine family also features a maintenance - free silent
timing chain system to enhance durability and improve
Noise Vibration and Harshness (NVH).
Noise and vibration are reduced while durability is increased thanks to the silent
chain timing drive!
Furthermore, arrangement of the reinforcement ribs on the inner side of the cover has cut
noise emission from the
timing chain, without incurring an excessive weight penalty.
If you are buying a used Nissan Maxima, especially with high mileage, watch out for whirring or rattling
noises from the
timing chain area.
The BoM is claiming that the thermal
time constant of the PRT probe in the sreen is the averaging but that occurs in the wrong part of this
chain of events to have any effect on electrical
noise.