Blown head gasket = a possible bent rod..can I drive it anyway?
Gmc 1987, s-15, 2.5l..repaired head gasket, changed oil & filter ,also svc'd radiator, oil pressure stays up no leaks of rasiator fluid and oil,idles with a little tick...but at higher rpms knocks at top of gear shift to next gear ... can I drive it anyway??
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check oil level if low add oil ---if oil milky in color like chocolate milk possible internal damage from --blown head gasket-damaged head --the knock from engine usually means that damage to a piston rod has occurred [rod knock] and knock usually doesnt throw an engine code and usually fatal to engine will need a mechanic to diagnose how bad or what extent the noise is with engine
1) Leaking (you should see coolant on the ground)
2) Going into your oil (sign of blown head gasket)
3) Going out your exhaust (sign of blown head gasket)
anyway you look at it, it's bad.
Once water gets into the piston bore of the block, it is very serious.
You could have a cracked block or a bent connecting rod....
Driving with a bent rod will turn very bad.
When they are replacing the head gaskets, they should check the length of piston travel to top dead center on each piston/cylinder.
If you have already replaced the head gasket and it's running rough, it could be caused by a bent push rod (connects the crankshaft to the bottom of the piston)
This would make it run rough and will fail sooner than you think.
You had better not drive it at all, get the head gasket replaced as soon as you can, if you drive it there will be water in the oil and your metal will not be lubricated in the engine, and it will lock up the motor completely. just look at your oil and it will be brown and fluffy like chocolate pudding. DONT drive it
Coolant is mixing with the oil, so it is turning milky.The most possible problem is an cracked cylinder head or head gasket.Check them and get it replaced before it damages the engine worsly.. Dain the oil and have it refilled after replacing then broken part.
was it white smoke
if it was you have a blown head gasket
what happens is that your anti-freeze dumped into your engine cylinders
major damage can occur. like bent rods do not restart your engine check your anti-freeze see if it is low and then check your oil and see if it is over filled it may even start to look milky If there is any sign of this you have blown the head gasket Please write back and inform me of what you find please give me feedback
No,it sounds like coolant burning inside the engine combustion chambers.This explains the sputtering and power loss.most likely cause is a blown head gasket or severe overheating.Check the condition of the oil and make sure their is not antifreeze in the oil.Also check the coolant level.this will help to identify an internal engine concern.Dont think the fuel filter going out is related though. Hope this information helps,
I would suspect a blown head gasket. STOP driving the vehicle immediately or serious engine damage will occur. Drain the oil and change the filter. The head itself may also be cracked. A compression test will determine if the head gasket is blown or the head is cracked. Take it to a trusted mechanic for diagnosis and repair if he is close by. If not have it towed in for repair.