Question about 2006 Chevrolet Cavalier

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Engine will not turn over. sounds like no

Engine will not turn over. sounds like no compression

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Very likely that you have broken a timing belt.

Posted on Feb 07, 2010

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Car was shut off. Minutes later, when attempting to start, the engine cranked freely. Won't start. Not sure where to start looking for problems.


Sounds like a timing chain problem, you could check compression but I think your going to have to take it to a shop regardless. Make sure that the engine is turning over and it's just not the starter spinning that your hearing.

Mar 07, 2016 | 2001 BMW 325Ci

2 Answers

Replaced headgasget,plugsandwires,oil and pump. Retimd it to the best of my knowledge via you tube and it will turnover but it sounds like it's nit getting any compression to turn the valves.


Sounds like the crank to cam timing is set wrong. If you were trying to turn the engine over with badly messed up timing, it most likely bent and damaged the valves and/or the post one. If the timing belt or chain skipped or broke while driving, that same damage could have occurred. You need to perform a leak down test to determine if the engine is worth fixing. Tell your mechanic to do that test (it's different from compression test, and should not cost more than $100)

Feb 12, 2016 | Cars & Trucks

1 Answer

What are the symptoms of a broken time chain on a 2006 4 cylinder Toyota tacoma


Strange things happen when a timing chain breaks. This chain drives the camshaft at exactly half the speed of the crankshaft. If the chain breaks it could jam the crankshaft so that the engine can't turn, even by hand. If the engine does turn and the chain is broken, you will hear an uneven cranking sound coming from the engine.
What usually happens is that one or two cylinders end up with all valves closed, and this causes a high compression as the engine is turned by the starter. The valves on the other cylinders remain open all the time and there will be no compression on these., so the engine sounds as if it is turning fast, then slow in very quick succession.
It often happens that, because the timing is out for the short while that the engine turns without the timing chain, the valve timing is out by so much that the pistons strike the valves and bend them, so that there is no compression whatsoever, and when you crank the engine with the starter, the engine just spins freely. In any case, whatever the symptoms, the engine will not start!

Jan 05, 2015 | Toyota Cars & Trucks

1 Answer

My 2002 Camry ran hot n now won't crank


Get a socket and a breaker bar. With the battery disconnected, place it on the bolt for the crank pulley. Try turning the engine over with the beaker bar. If you can not than you ruined the engine and it will need to be replaced. If you can turn it over by hand you may have still ruined the engine but there are some other possibilities.

If the engine sounds like it is Turing over faster than usually it is possible that some severe engine damage occurred and there is now a loss of compression. I wouldn't hesitate to do a compression test on each cylinder.

Sep 18, 2014 | 2002 Toyota Camry

1 Answer

1998 kia sportage 4WD engine turns but wont turn over (dosent even try) it just makes a winding sound and leaking coolant around harmonic balancer?


Sounds like your water pump leaking and a broken timing belt. The water pump runs off the timing belt, and sounds like your water pump took out the belt. The winding noise you hear sounds like the engine crank turning but not the cam shaft, broken belt, no compression. Have someone watch the harmonic while you try to start it. If it's turning, that's your problem.

Dec 18, 2013 | Cars & Trucks

1 Answer

Starter engages but wont turn engine over starters been rebuilt still doing same thing


sounds like,yes, Might try pulling the spark plugs and try it then,
if the intake gasket leaked or even fuel leaked into a cyl. when
the compression stroke comes up liquid won't compress so the
engine won't turn over.

Mar 21, 2013 | Cars & Trucks

2 Answers

My 92 Ford Ranger 2WD 4 cylinder recently overheated. I pulled over and added water. Continued on, then it overheated again. After having it towed home, it will not start. It is turning over, just not...


When you added the water was the engine still hot? When you filled it, was the engine off, or running? Pouring cold water into an overheated engine, especially when the engine is not running, will crack the engine block-fatal. check for oil in coolant or coolant in the oil, check compression-if all are good, start checking for spark (ignition module) or fuel (sound of fuel pump when key is turned on)-good luck.

Mar 22, 2011 | 1991 Ford F250

1 Answer

Engine will turn but not start


When you turn the key on can you hear the fuel pump??? Does the engine sound normal when turning over(compression)??? Then check for spark, fuel pressure, injector signal etc.

May 14, 2010 | 1998 Mazda 626

1 Answer

NO GEARS WORKING


need more info...if you can turn easily ,sounds like you have no compression in engine..pull a plug and test for compression ..you may have washed down cylinder walls with too much fuel and lost compression....if so, you pull all plugs and squirt several sprays of motor oil into each cylinder and turn over to re-build compression........also if you jumped your timing chain, the valves would be open when they should be closed causing no compression, I would need more info on what its doing

Oct 09, 2008 | 1989 Dodge Dakota 2WD

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