Loud knock noise that goes away after 1 min cold start

Cold Start Loud Ticking Noise v6 2013 | Drive Accord Honda Forums

A few months. I just thought it might of been the valves needing adjustment. Its not constant everyday. But when it does happen, it goes away ...

knocking on cold start - Grand Prix Forums

If it sounds like this, it's a rod knock. If it doesnt sound like this, it's a lifter/valvetrain. An error occurred.

Knocking sound at cold start | Jeeps.net Forum

If it is more like a rod knock then I would suggest a thicker oil and see if that helps. On my Dodge ram it starts with a tick and goes away ...

Engine tapping noise a couple minutes after cold start

It causes the camshaft to bounce around uncontrolled in the block at the piston height generally at idle so it sounds like a muffled knock ...

Sounds like knocking or miss firing at cold start. Anyone else have ...

The knocking/misfiring goes away in about a minute. Has anyone else ... When they start to go bad they leak into the hot side of the ...

Engine Knock at cold start | Kia Forte Forum

Piston slap has nothing to do with cold start, will be always present. Rod knock as well, won't go away with higher temperature, unless oil ...

Knocking Sound at Cold Start? - Chevrolet Corvette Forum Discussion

When was the last time driven before you restarted and heard the noise? More time less oil around crucial internal parts.Then add 30 degrees. I ...

4.0L V6 Cold Start Engine Knock, Noise, Possible Cause

It's been suggested the culprit is a bad oil pump, but haven't heard of anyone changing it out and curing the knock.

4.0 Tick/Knock on Start-up??? - Jeep Forum

It gets quieter as the engine builds pressure and gets warm. It will go away after a minute or so on its own, but if you turn it off while it's ...

S52 sounds when cold - Bimmerforums - The Ultimate BMW Forum

Mine has 57k and also makes the knocking sound you speak of during very cold starts. Like everyone else, it goes away as the engine warms up. I ...

Odd clicking/scratching noise on cold startup - Toyota Tundra Forum

It typically only makes this noise when it's below 40 degrees. It usually stops after a few minutes. If it's in the negatives it takes about 15-20 minutes.

Knock When Cold | Pontiac G8 Forum

I thought they said that there are some GM engines (an this type might be one of them), that over time can start to produce a knocking sound ...

Hydraulic tensioner making noise from a cold start? - MDXers.org

First thing to rule out - any of the accessories driven by the serpentine belt. Take it of and start the car (cold, cause that seems to be the ...

Speed twin knocking sound on cold start - Triumph Rat

Upon a cold start, it initially sounds fine then 20-30 seconds later a knocking sound develops for a few minutes then disappears when the engine warms up.

What would cause a hollow knocking noise that goes away as the ...

The engine will do it when it is cold, or after it has been sitting for a couple hours after being shut off. What it sounds like is like a ...

Injector/engine Nailing/knocking noise when cold | TDIClub Forums

From other reports here, the nailing noise is caused by a bad fuel injector. I don't know what's going wrong with them specifically, but replacing the injector ...

F-150 ECOBOOST COLD START RATTLE NOISE QUICK FIX???

Having the notorious F-150 EcoBoost cold start rattle? Check out this possible quick fix that could help you out! Check out my online store: ...

2011 5.7 Strange metallic cycling noise that goes away...

As the engine warms up, the pistons swell and the noise goes away. The reason you don't hear it to start with is the rpms of the motor and the ...

Knocking after cold start up - Jeep Cherokee Forum

Sounds like piston slap. It gets worse in cold weather b/c thermal dimensional differential between the cast iron block and aluminium pistons ...

Loud cold start 2019 Q3 - AudiWorld Forums

What you hear are the camshaft adjusters and the noise goes away when proper pressure if built up. Most VW products have a secondary air pump ...