Slow crank and knocking/rattling once running

Slow crank and knocking/rattling once running - GMC Acadia Forum

My issue is a hard start (car turning over slowly) and a knocking/ticking sound once the car finally starts. I originally thought it was a bad power steering ...

My vehicle knocks lightly when I first start it in the morning but once it ...

Usually a knock until warm up is caused by the skirt of the piston hinting the cylinder wall. This makes one knock per rotation of the crank most of the time.

My car engine is making a knocking sound every time I start ... - Quora

If you are noticing a lower oil pressure, you have a main or rod bearing going out. It won't last long. There was once when I found a bolt that ...

Slow crank and knocking/rattling once running | Page 2 | GMC ...

I use Mostly meguiars stuff. I just bought a Foam cannon for my pressure washer. I'm super excited to use it! 2011 GMC Acadia SLT ...

My car is making a loud rattling, knocking noise after you crank and ...

Sounds like a rod knock, if it was something you were capable of fixing it you would have known what the noise was. Having someone else fix it ...

Knocking/rattle from front end when driving slow when... - GM-Volt.com

One could be loose and rattling. Another thing to inspect is the backing plates behind the brake rotors. Sometimes they get bent or debris gets ...

7 Reasons Why Your Car Is Making a Knocking Sound and What to Do

If these rods are compromised, it can lead to a distinct knocking noise. One prevalent cause of connecting rod damage is insufficient ...

Car Not Starting? Rattling Noise When Cranking - Expert Q&A

The symptoms you're describing suggest that the issue could be related to your car's starter motor, the battery, or possibly another component in the vehicle's ...

6 Causes Of Knocking Sound From The Engine | Capitol Toyota Car ...

As the bearings wear out, the pistons will start to rattle against the crankshaft, creating a very similar knocking sound. To fix this problem, ...

when an engine starts to knock | BobIsTheOilGuy

Oil thats too thick, poor oil flow and sludge blockages will make it rattle at high RPM's. D ...

Loud rattle sound on start up - Traverse Forum

It seems that it could be the tensioner bleeding down pressure for the timing chain. The sound and timing would be consistent with such a thing, ...

Rattle/knock under low acceleration wnd when starting to...

... slowing down to a stop for example. ... So when accelerating after coming to a stop at light it rattles and then fades off once you accelerate ...

NOISY ENGINE & How To Diagnose - YouTube

... Tapping 2-Knocking / Rattling 3-Screeching / squealing 4-Pinging / Ringing 5-Too Loud Engine 6-Whining / Grinding 7-Moaning / Groaning 8 ...

Engine Knocking and now won't start - Power/Fuel

It sound to me like a fuel delivery problem.Was the fuel pump ever been replaced?A bad fuel pump can work erratically for a while until it stop ...

Very loud knock/rattle for ~2 seconds on first start - normal?

That kind of rattle on start up is often a sign of worn big end bearings. Has the engine been run “cold” for a while (ie thermostat permanently open)?

Loud knock from engine only on start up - Honda-Tech

It takes the oil a sec or so to get up to the head, which could very well be the sound you hear. If you want to test that theory, turn the car over as if you' ...

HELP: C300 engine noise on start-up | Mercedes-Benz Forum

"The knocking sound is from the upper main bearings, theres not enough oil pressure built up during the first couple seconds of startup. The fix ...

Knocking noise when engine is running. - Triumph Rat

I'm probably being thick but I don't get what you're saying here. Your first video sounds to me like a slow crank but I can't hear any rattling ...

Why Does My Car Make A Clicking Sound When I Try To Start It?

This clicking noise is usually caused by one of five things: a dead battery, loose wiring, faulty starter motor, faulty ignition switch or corroded battery ...

help... knock/rattle under acceleration | Cummins Diesel Forum

One thing i found to make the noise less is the 2 cycle super tech oil in the fuel,it runs much smoother.I have decided its the junk dry ...