Question about 2001 Chevrolet Blazer

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Chevy blazer replaced oil cooling gasket and o ring. now engine is making a knocking nosie

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  • Anonymous Mar 26, 2014

    gasket oil bracket o ring

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Make sure your oil is black or and not like cofe w/ milk color
in other words if the engine oil is like light brown then it is contaminated w/ coolant and have to be fix.

but sometimes problem just come by coinsidence

Posted on May 28, 2008

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Posted on Jan 02, 2017

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Engine started knocking on a honda cr-v 2.0 vtec


check your oil level, color, and smell. My guess is that the low oil pressure light is on because of literal lack of oil to pressurize. Generally when you get that light and a knock it points to major engine repair or replacing the engine. Knocks due to oil pressure can indicate many things from a bad head gasket to a stretched rod or blown piston rings. Check your coolant reservoir for signs of oil entering the cooling system as it will float on top of the coolant. By the sound of it it needs major mechanical repairs

Apr 05, 2014 | Honda Cars & Trucks

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Knocking sound in Engine of Kia Sephia when driven longer.


It sounds like valve train noise. The best thing to do is have the dealer listen to it and see what the preliminary diagnosis is of the nosie. Is the engine full of oil and it has been changed on a regular basis or at least every 5,000 miles.

Sep 13, 2012 | 2001 Kia Sephia

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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

28 Solutions for ''HOw can I tell if I have a cracked head blown head gasket or cracked blown like how can I see it''


Often (but not always), a blown head gasket will also cause deposit of water on a piece of cardboard held an inch from the tailpipe output while the engine is running (when this is happening, it is likely that the catalytic converter has been ruined and the muffler will corrode in short order as well).

Sometimes drops of water will be seen dropping from the end of the tailpipe. Another clue: turn on the heater; often when the head gasket is blown an odor of antifreeze and synthetic rubber will emanate from the heater vents.
Many of the symptoms of blown head gasket can be caused by some other problem in the cooling system, without the head gasket being damaged. Conversely, other problems with the cooling system can cause a blown head gasket and/or warped head.

When checking for a blown head gasket, one of the most common tell-tale signs is a milky-gray ring around your oil cap. When coolant enters the engine oil through a crack in the head or through a blown gasket, it evaporates and leaves a milky ring around the oil cap. Another easy way to tell is to check your oil dipstick. Change your oil and pull out the dipstick. Make sure that you take note of how far up the dipstick the oil is. Top off your cooling system and fill your cooling reservoir to the top. Screw radiator cap back on and start engine. Run engine for about 20-30 mins. or until it reaches normal operating temperature. Allow engine to cool (engine must cool completely to get accurate oil reading!!). Check oil dipstick again. If the oil has a watery appearance and has risen noticeably up the dipstick, the you probably have a blown head gasket or a warped head. Also look for a dripping, sweet-smelling liquid coming out of your tailpipe. Any of the above symptoms could be the result of a blown head gasket. The easiest way to tell is with a compression meter. This replaces the spark plug and lets you know what compression each cylinder is running at. If your compression is abnormally low, then you have a blown head gasket or a warped head. (note: consult repair manual for appropriate compression of each cylinder.)

Dec 12, 2009 | 2005 Dodge Grand Caravan

1 Answer

Cooling System - Fiat Siecento 2002


When checking for a blown head gasket, one of the most common tell-tale signs is a milky-gray ring around your oil cap. When coolant enters the engine oil through a crack in the head or through a blown gasket, it evaportats and leaves a milky ring around the oil cap. Another easy way to tell is to check your oil dipstick. Change your oil and pull out the dipstick. Make sure that you take note of how far up the dipstick the oil is. Top off your cooling system and fill your cooling resevoir to the top. Screw radiator cap back on and start engine. Run engine for about 20-30 mins. or until it reaches normal operating temperature. Allow engine to cool (engine must cool completely to get accurate oil reading!!). Check oil dipstick again. If the oil has a watery appearence and has risen noticibly up the dipstick, the you probably have a blown head gasket or a warped head. Also look for a dripping, sweet-smelling liquid coming out of your tailpipe. Any of the above symptoms could be the result of a blown head gasket. The easiest way to tell is with a compression meter. This replaces the spark plug and lets you know what compression each cylander is running at. If your compression is abnormally low, then you have a blown head gasket or a warped head. (note: consult repair manual for appropriate compression of each cylander.)

Nov 08, 2009 | 2005 Fiat Pininfarina

2 Answers

What are piston rings


yes it would be agood thing if you can have the engine rebuilt cause this will also give your car much more power with less smoke and your car will use less fuel

Aug 08, 2009 | 1999 Dodge Intrepid

4 Answers

Oil leak at the bottom of the oil pan. Still leaking after i tightend the pan bolt. What should i check next, can this cause other problems?


Dear Sir,
Here is the oil leaking Problem Identifying Technique

Engine oil leaks from the valve cover gasket are common.
  • The intake manifold plenum gasket may leak and cause increased oil consumption/burning and a spark knock during acceleration; the gasket should be replaced.
  • External oil leaks from valve cover gaskets, intake gaskets (front or rear), and the rear crankshaft (rear main) seal area are common. The rear main seal is an unlikely source. Normally, the bearing cap mating surfaces (as well as the sealing surface between the oil pan and bearing cap) are the source for the leaks.
  • Engine oil leaks at the distributor can be misdiagnosed as leaks from the intake manifold seal, oil pan gasket, or rear crankshaft (rear main) seal. A revised distributor is available if oil is found inside the distributor.
  • If the oil filter casing shows signs of distortion from excessive oil pressure, the oil pump should be replaced.
  • Often misdiagnosed as a leaking oil filter gasket, the oil filter adapter can seep from between the adapter and engine block.
  • Carbon buildup on the top of the piston is common. As the buildup increases with mileage and over time, symptoms may vary from light ticking, to ticking/hammering, to hammering/knocking noises. Fuel injector cleaner often solves the problem.

  • I think it helps to analyse u r Problem

    Jul 10, 2009 | 2004 Jeep Grand Cherokee

    1 Answer

    Leaking oil put of tail pipe, is the cooling sensor important, head gasket blown how do you know


    Never seen oil come from tail pipe (unless a piston has a broken ring or a hole burned in it.) Cooling sensor tells the computer the engine temp and the computer turns the fan on through the fan relay. Very important for it to work. A blown head gasket will make the engine overheat, can cause white smoke from tailpipe, coolant loss and extremely rough running. Also can cause coolant in engine oil or oil in radiator. What you may be seeing may be water mixed with carbon from the inside of the pipe. Excessive water coming form pipe is also a head gasket symptom. A compression test or cylinder leakdown test or a radiator hydrocarbon test will tell you if gasket has failed.

    May 14, 2009 | 1996 Jeep Grand Cherokee

    1 Answer

    Cylinder misfiring


    Hello and welcome to FixYa. check you engine for any noticeable signs of oil excessive in 1 particular area if you don't see any excessive oil stain. Try doing a valve job inspect lifters and push rods make sure they are not warped or clogged replace valve cover gaskets that should take care of most of your issues I would also have timing checked. If knocking continues. replace Rings and check for damaged main rods on the crank shaft in the bottom of the engine which could be knocking around in the oil pan Loosing Oil thru a bad gasket no worries easy fix but burning that much oil is definately a sign of time for engine overhaul or replacement motor. I hope this will help get you going. Please Rate Me. And you can always Ask Me. aymloekh0fg4hpz2e87n86udvs4fowqwshuaaaaasuvork5cyii=

    Apr 20, 2009 | 1996 Jeep Cherokee

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