The variable valve actuator requires oil to move the position of the camshaft and without oil. The noise may go away once the car build oil pressure When starting a car engine, it is normal to hear some noise due to the movement of various mechanical components.
Engine rattle....bad high/low lift rocker or cam lobes...or what
Second and third generation dodge durangos with a hemi v8 can develop an abnormal ticking.
Ignoring vvt rattle can lead to more serious engine problems, including poor fuel economy, increased emissions, and.
Rattling or ticking noises from the engine caused by the solenoid or timing chain operating incorrectly A faulty vvt solenoid can throw. Andrew markel helps diagnose a customer complaint of a rattle or clunk from the engine when the vehicle is started in the. In this video we will demonstrated why this timing chain tensioner was causing our engine.
For more info visit us at I've noticed some of the tick noise can also be caused by the injectors, and not necessarily attributed to a lifter noise Truck was sitting for a week and started it up to hear an obnoxious rattle that sounds like tin cans right near the drivers. My 2013 grand caravan pentastar had a loud moaning noise on cold/freezing temp startups that seemed to come from the engine oil.
My other thread got long and wandered on and off topic
Consolidating that here and providing update I had the original toyota dealership take a look at it. As a rule of thumb, i always start my vehicles and let them run for at least a few minutes before heading down the road. Your car makes a rattling noise on a cold start because the moment you crank your engine, there is no oil at the top of.
It would make this noise in the morning for a cold start at first, but now it makes it about 2 /3 of time as long as it has sat.