I discussed it with local dealer, and got the usual speech about the issue of using genuine AC/Delco filters, etc, which oil was I using, etc.. What they did not realize is that I always use OE oil filters on every engine and never go over 3500 miles before changing. My oil clearances are 0.003 mains and rods.20 over JE/Eagle setup polished/balanced crank. I am running Valvoline 5W30 conventional engine oil, oil sample after 1500 miles came back good. There are many reasons for noise immediately upon starting and shortly after: Valve train noise, it takes a while for the lifters to “pump up” and provide the damping. no ! This is likely due to either pre-ignition or detonation. Once it warms up its drive like butter with no noise. My wife says the Dealership told her that she should only replace it with a new water pump. Return the engine speed to idle and verify if the knock returns. Most of warm starts it starts up fine. Radio head unit illumination will go out intermittently. It's very possible. Being a heavy equipmet technician knocks are not welcome in engines! from what I read there is a couple of special tools needed for the job? Thanks, yeah its driving me crazy trying to figure out what it is, so timing chains tensioners can make the same noise? So far they have changed the lifters, cam shaft, and did an oil consumption test. edb1961 Start engine and run another 30 minutes. 1. If the noise intensity is more than a lightly audible knock at hot idle under 1200 RPM at engine operating temperature, replace the cam phaser. i just rebuilt the top end of my 2.5 in my 95 dakota sport it made this cold engine noise before i rebuilt the top end if anybody knows what noise this could be please let me know The water pump in my Yukon XL is going out. But it's far from a knocking sound, especially one that goes away moments after a startup, which would make me nervous. It takes a trained ear with a stethoscope to diagnose this problem with any accuracy. The radiator reservoir was empty so I filled it. For what it sounds like. Two questions to ask yourself before you begin: Is the sound definitely coming from under the hood? I had a 2012 2.5 Camry and it was quiet and then all of sudden one winter started making grinding noise on cold start ups. Happy Thanksgiving. I put in Lucas oil treatment and replaced the oil filter with a Fram PH-5. thanks! Cold Start ticking noise then goes away Discussion in 'Engine & Performance ... Once in a while I get lifter clatter if I park downhill for extended periods but it only lasts a second or so then it's gone. Well a rattle sound when a car first starts then fades away is usually either lifter clatter or rod knock. How engine knock occurs. Add 4 quarts of kerosene, 1 quart cheapo 10w30, and 1 pint Marvel Mystery Oil to the crankcase and start the engine. It knocks more noticeable in reverse. Near the edge of the plate, bolts connect to the torque converter. Almost sounds like timing chain noise to me...but I don't know why it would go away so quickly. Bump! does anyone know for sure? Run 5w-30 in the engine to help the cold oil get thru the little spaces. From my experience with working on Toyotas, and owning a 4Runner myself, I would first check the belts and pulleys for wear. Hard knocks that happen at startup and go away quickly are a sure sign it is an early failure and oil related to a rod or main knock, piston slap against the cylinder wall and wrist pin knocks will persist after warm up and get worse with engine rpm. Nowadays, my engine starts only after 4..5 failed starts. Hard starts when engine is cold. The loud sound is now gone during cold startup but i can hear a very slight knocking still during cold startup but goes away after warmup. Spoke to GM about problem and dealer. Not sure. On automatic transmission vehicles, the flex plate connects the engine to the transmission. I currently have a 2015 ram 1500 5.7 with 45000 miles and when I start the car it makes this ticking noise that comes from the passenger side. Interestingly when I put the truck in Drive the noise goes away immediately. For a better experience, please enable JavaScript in your browser before proceeding. I too have a Yukon with this loud clicking noise upon start up of my vehicle. you would hear a knock. When you let off the gas, it goes away. When you mash the accelerator out of the parking lot, that’s when you hear an engine knocking sound. plus your oil light would stay on. Not sure. Engine knocks and rattles on startup. This could mean the car is low on oil or there is a problem with the oil delivery system that needs to be repaired. 2013 Mustang 3.7 v6 * Performance Pack * Gotta Have It Green * Electronics/Comfort Package * Black Painted Roof * Roush Chin Spoiler & matching Ground Effects * GT Hood * GT Fog Lights * ROUSH Springs 1" drop * BMR Panhard Bar * JLT CIA * Redline Hood Struts * MPT Tuned * SVE Drifts 19x9.5. If your engine develops a ticking or knocking noise in a short period, the first thing you should do is shut off the engine and check the oil level. The first and most reoccurring problem is the knocking on a cold start. I did notice that the engine seems to run smoother. They will eventually settle into smooth rotation after a few seconds/minutes (often faster with a gentle tap). If you start it right back up it's not there. I don't see how a new oil filter can make an engine noisy, its gotta be an internal problem. 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