My engine has a knocking noise and the guy next door said it was the big end bearings what should i do?

Question

The engine is knocking its a toyota yaris 1.0 vvti the person next door to me said it was the big end bearings and another guy said it was the cam shaft and another mate of mine said i have to replace the engine what should i do he reved the engine from under the bonet and when it gets to a certain point the knocking gets very clear as in sound wise and ive been told it is very expensive what should i do please help me

The engine is knocking its a toyota yaris 1.0 vvti the person next door to me said it was the big end bearings and another guy said it was the cam shaft and another mate of mine said i have to replace the engine what should i do he reved the engine from under the bonet and when it gets to a certain point the knocking gets very clear as in sound wise and ive been told it is very expensive what should i do please help me

if you want to hear it email me a number i can call you on and i will call you and let you hear the noise if it helps in diognising the fault [e-mail]

Answer 1

Worn big ends or a worn cam shaft both involve stripping down the engine and a lot of money. A recon engine is probably the best route to take, but it won't be cheap.

Answer 2

If the knocking is clear at certain revs i would say it is defiantly ends, a way to tell for sure it put the engine under load IE , with the car standing still and handbrake on put car in third gear and gently ease out the clutch with about 2000 revs dont stall engine just let clutch out enough to great load , if the knocking increases with more load it is ends , as you friend says very expensive , a cheaper option buy the exchange and mart weekly magazine look up Toyota breakers and buy a guaranteed second hand engine out of an rear end smashed car , and get a motor mech to fit for you

Answer 3

After checking the oil etc, this may sound like a wind up but it isn't- check the spark plugs are tight. Sounds daft but i had an engine a few years ago with a clatter from the top end, i was convinced it was one of the camshafts knocking and it was loose spark plugs all along! If these are ok then i'd recommend going to a Toyota dealer or Jap specialist. May be expensive but in the long run could save you £££s. Could be anything really, from valve timing through to a major component failure. Then again it could be a knock sensor or simple ignition timing fault. They will advise you best.

Answer 4

Big ends of cam shaft all very expensive you can get re-con engine put in cheaper but is best to change engine as can mount to hundreds even thousands where as if you get genuine local small garage someone with good reputation they can get re-con engine and replace for anything from £300-600 all in. It is worth phoning around to quite a few garages for quotes and also your scrap dealers as they have re-con engines cheaper sometimes. Good luck

Answer 5

The most common source of engine "knocking" is called "rod knock" it is caused by worn out bearings on the connecting rods that go from the crankshaft to the pistons. The only cure is to rebuild or replace your motor. Sorry.

Answer 6

besides the fact that it is chilly up right here too guy! Being interior the large white north,we don't get to unzip to open our parkas for some weeks yet,do no longer 'cha be attentive to : ) must be they got here from hereabouts even,and are nonetheless kinda puzzled so per danger supply 'em some funds out of your gas funds,or perhaps a warm chocolate and a donut,then deliver them directly to the neighbour hiding at the back of his curtain eh. Then ought to you deliver me a cuppa something ?,i like warm chocolate too : p

Answer 7

Chances its a rod bearing. The bottom end needs to be overhauled. You'll also need to get the crankshaft reground and possibly replace a rod. Very expensive, if you like the car have it done if not junk it.

Answer 8

It could have possibly "jumped time". If you keep running it, you could be doing damage to the engine. So much of that will cause you to have to replace the engine. Time to seek help from a real mechanic. Sorry.

Answer 9

It is difficult to diagnose a noise from a description , its best to get a technician to listen to the noise first in meantime don't use the vehicle because you will do more harm than good,

Answer 10

Any of the above are very expensive fixes. Get to a qualified mechanic.