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Kia optima 2008 car had a knocking noise checked no oil on stick put oil in car still had a loud sound do you think the motor has blown

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  • Kia Master
  • 2,124 Answers

No you have worn the bearings out and need a rebuild of the crankshaft and probably the cylinders and pistons and at worst the cylinder head due to the pistons hiting it or the valves

Posted on Dec 29, 2016

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Posted on Jan 02, 2017

  • 67 Answers

SOURCE: Engine knock noise on cold startup

these 3.3l engines are equipped with timing chains. if vehicle has prolonged down time, typically more than 4 hours, vehicle makes a chatter until the timing chain tensioners put tension on the chain. you will need them replaced.

Posted on Feb 09, 2009

pippall
  • 1486 Answers

SOURCE: 2008 Kia Optima Check Engine Light

Just replace the air flow meter.That sounds like your problem.

Posted on Sep 16, 2009

emissionwiz
  • 75822 Answers

SOURCE: 2008 kia optima LX Check Engine Light

P0442 EVAP Leak Monitor .040 Leak Detected (Medium Leak)

P0456 EVAP Leak Monitor .020 Leak Detected

replace your gas cap and clear codes, then wait and see if light comes back on, if it does you have a more serious problem like a fuel tank leak or a defective fuel tank pressure sensor.

Posted on Sep 17, 2009

  • 60 Answers

SOURCE: 2006 volvo s40 50,000 mi.

The oil filter housing also houses the pcv system. What causes the noise is that there is a check valve in the pcv system that is supposed to regulate the pressure in the crankcase. The valve gets stuck and causes vacuum to build in the crankcase, which in turn sucks air wherever it can causing the noise, which is also why when you pull the dipstick it stops. This can also cause a check engine light with codes for fuel trim. The oil filter housing will need to be replaced. Good news is that Volvo extended the warranty on these to 100K miles so it should be free of charge at the dealer. One thing to watch for is oil leaks after the replacement from the camshaft seals. If air can get past a seal, usually oil can too. If the seals leak too long it can contaminate the timing belt and cause it to break, which causes a lot of damage.

Posted on Jan 06, 2010

  • 1 Answer

SOURCE: engine knocking noise in 2000 saab 9-3 SE?

It's a common problem with these cars i am actually fixing mine as of now. That car is all about oil pressure and when it is low you'll start to get a tap and or what sounds like a knock due to the lifters not having enough pressure. Try taking your oil pan off and check your oil pick up line going from the oil pan to the turbo. A lot of times it gets a lot of sludge build up and makes the pressure little to none. If that looks clear check the slump inside the oil pan and see if that has sludge build up. Well hope this helped

Posted on Jul 23, 2011

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2 Answers

Engine lock up


You lost oil pressure, either due to oil loss or oil pump failure. When this happens the crankshaft bearings lose lubrication, heat up, expand, and freeze, or seize the engine. This is called lockup. The Kia folks lied to you about the safety of driving in this condition, or they didn't understand your description of it. Loud knocking inside the engine calls for immediate shutdown to avoid catastrophic damage. You are now looking at at least and engine rebuild, if not a full replacement.

Jul 25, 2016 | Kia Cars & Trucks

1 Answer

2005 kia optima lx v6 engine started knocking on right side of motor heater wouldnt work earlier that morning


check for low coolant, look for coolant bubbling up in over flow bottle
if there is call a mechcanic

Mar 27, 2014 | 2005 Kia Optima

1 Answer

Kia optima engine ticking


sounds like lower end bearing damage (connecting rod) when oil level drops at interstate speed a connecting rod bearing will seize very quickly thus causing the bearing to spin in the rod and enlarge clearance . that is the knocking sound you here .

Sep 03, 2012 | Kia Optima Cars & Trucks

1 Answer

Kia 2.4 optima 07 engine makes knocking noise when I press fuel pad to move..I can't press fuel pad strongly the knocking noise increases more and may broken the rings


Sound like you have spun a bearing do to a blown head gasket. Does the oil on the dipstick look almost like a chocolate milkshake in color? If so your coolant has reached the oil pan and that can definitely cause the engine to spin a bearing causing a loud knocking sound.

Apr 03, 2012 | 2007 Kia Optima

1 Answer

I took the car for repair and they fixed my oil pan valve cover gasket and the oil pan gasket. they put the knock sensor wire direct to the knock sensor since they didnt have a connector. i drove off and...


the knock sensor changes the timing of the motor when it senses knock ,it sounds like the wire may have come off ,it sounds as if when you press the gas the timing should advance and it sounds as if its not advancing thats why you are hearing a clattering noise on accelerating.if you keep driving it like that you can do engine damage

Mar 03, 2011 | Toyota Tercel Cars & Trucks

1 Answer

My 2006 Kia Optima is making a clicking sound. It has been doing this for over 6k miles now, so I don't think it's that bad. I drive fast and hard, but has not gotten worse. Help??????


I assume we are talking about a motor noise. A lot of people assume a clicking sound is a valve noise. Most of the time a loud clicking noise is actually a bad exhaust gasket. An air leak on an automotive exhaust manifold sounds like a loud tick or click. Try changing the gaskets on both sides of the exhaust manifold . This should take care of the clicking.

Nov 05, 2010 | 2005 Saturn VUE

1 Answer

2002 Kia Optima has a knocking sound until the engine heats up and then smells like an overheated engine, lots of clicking noises after you turn it off. Checked the antifreeze level, at the top, there is...


It's possible that your oil level is low or it's time for an oil filter change.
If not, it's possible that the rockers need adjustment, but I doubt it. Good luck

Sep 27, 2010 | 2001 Kia Optima

1 Answer

The engine is making a really loud knocking noise and the oil light is on. it also smells like something is burning or running hot


Doesn't sound good. Check oil level. Also check for metal in the oil once you pull the dipstick. A loud knocking noise is a sign of a blown engine may be you spun a rod in which case you would need engine replacement or rebuild

Oct 23, 2009 | 2001 Dodge Stratus

2 Answers

2008 Kia Optima Check Engine Light


Just replace the air flow meter.That sounds like your problem.

Sep 16, 2009 | 2006 Kia Amanti

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