Tim short dodge12/11/2023 ticking/tapping or rattle type noise from the top front cover area of the engine on initial start-up after a cold soak of 6 hours or more that may last for 2-5 seconds. Noise occurs intermittently at Cold start, usually overnight. So my 2017 Colorado, as well as my 2017 Canyon, both with the 3. ) and the car would stay unused during the night. Once allowed to heat up the tolerances become smaller and the noises decrease. I agree with Bad news There was the same noise this morning, I encourage you to contact Honda USA about this issue please prepare the following information. A mechanical noise source … At temperatures at or below 32 degrees F or when the engine has been sitting for a few hours, it is possible to have air enter the pump through normal oil drainback. If you hear a sizzling or popping sound immediately after shutting down the engine, there could be a leak. Yeah, that's just the normal start-up for this engine. " Kudo's to S&B for providing quick, detailed, … DKSDonnie. This is an inquiry about the noise recognized from the start of June, about two weeks after the purchase of the new car. After it is put in gear it goes to 600 rpm. I guess my only concern would be that if it is an oil issue then parts, timing chain or whatever is making the noise might wear out prematurely because lack of oil. On cold starts, the tolerances between components are large and create a chattering noise. Keep in mind that there are other possible causes, but this is the When the engine shuts off, and the oil psi bleeds off, a pin is supposed to spring out, locking the cam phaser in place till the next start. The engine will usually start quiet, then make a ticking noise after a few My Subaru with around 80,000 started getting really noisy on start-up when it was cold. It would be noisy for up to 10 minutes, then it would pretty abruptly Eliminating start up rattle due to worn anti drain back valve, especially when cold, in Jeep Wrangler and other makes and models. Toyota theorized that the condition could be related to an engine noise issue at start-up being investigated on certain engines. The noise cannot be heard from the outside of the vehicle. Try a long screwdriver with a hard plastic handle, they work as a stethoscope when you put your ear to the handle. Since the car was out of warranty I paid to have it repaired for approx. I had a similar noise at cold start with my 2011 with 47k. Excessive engine noise may be noted after a cold start. Broken or loose exhaust manifold bolts are the most common reason behind the ticking noise. I have the exact same issue, if car sits more days it makes the exact same rattle noise when dropping rpm from 1400 to lower, around 1200rpm. Recently around 5000 miles a ticking noise is coming from the engine when it is cold. It only lasts for a fraction of a second, doesn't continue once the engine is running, and doesn't happen if I shut the engine off and start it again a few minutes later.
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