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Timing was out of whack and I think I have done the big end bearings. What other problems could this have caused?

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Are you saying you have changed the main bearings??? Running a vehicle with the timing not right can cause damage to your valves and alot of the other parts on the top end of your motor...

Posted on Dec 31, 2013

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CYLINDER HEAD AND BIG END BEARINGS TORQUE SETTINGS FOR OPEL CORSA 2005 1.6LT PETROL MODEL SOUTH AFRICA


i think the 1.6 ltr was only for some markets the engine i think it may be is! cyl head head with new bolts, 25nm +90 +90 +90 + 45 degrees the big end/conrod bearings 25nm +30 degrees thats if it a vauxhall/general motors engine. it may not be

Sep 29, 2016 | 2005 Opel Corsa 1.6

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Torque settings on a yaris 1.3 16v big ends,mains,flywheel,cylinderhead


Toyota Yaris Main and Big end Torque settings:
Tighten the main and big end bolts in sequential order and in two steps.
Main bearings. Stage 1.
22 ft lbs.
Stage 2.
44 ft lbs

Big end bearings.
Stage 1.
11 ft lbs.
Then Rotate bolt head a further by 90 degrees

Head bolt torque must be done in 3 steps:
1st 22 ft lbs
2nd 43 ft lbs
final 47 ft lbs
use this sequence of tightening:
9 - 3 -1 -6 -8
7 - 5 - 2 -4 - 10

Flywheel spec:
65 ft lbs

Jul 15, 2016 | 2007 Toyota Yaris

1 Answer

My 2004 chevy trailblazer is knocking


could be a big end or main bearing but there are a few simple checks that can be done first
1--have the oil pressure checked using a mechanical gauge
if there is a bad bearing there will be low pressure at idle
2 --check the exhaust for smoke under load
if there is a bad bearing , the escaping oil will overload the oil ring and produce smoke
( if smoke comes after idling at lights and on taking off that is valve stem seals)
3--- run the fault codes and check for knock sensor problems
the noise could be detonation under load from lean fuel mixture or incorrect timing
4---check the ignition timing
5-- run the engine when it is knocking and remove a plug wire and see if the knocking stops
bearings will stop knocking if there is no combustion to place load on the crankshaft
That will also indicate which big end you have to check if you have to pull the sump
Too far advanced will cause the pistons to slap the cylinder walls hard for too far advanced ignition
you statement that the noise goes after 40 indicates that it is not a bearing as the high the rpm the louder the noise
taking the foot off the pedal indicates detonation
lastly if all the checks prove good , you could always have the sump removed and check each big end and main individually for damage
sometimes a failing cam chain if fitted ( no motor identified) will knock as the chain hits the timing cover

Jul 23, 2017 | 2004 Chevrolet TrailBlazer

1 Answer

Replacing big ends(bearings) on toyota corolla 1992


if you are only replacing piston big end shells , this can be done on most vehicles with sump removed , but if your bigend main bearings need to be relaced , take out the engine.which i would suggest any how , bodging doesn't always work out cheap.

Nov 14, 2013 | Cars & Trucks

1 Answer

I have a Honda GX 240 engine mounted on a walk behind mower. The bearings in the shaft that connects the drive belt to the blade seized. I replaced the bearings in the shaft and the blade turns freely but...


Remove the spark plug and make sure that oil did not enter into the cylinder. Oil in the cylinder will feel like engine is siezed. With plug remove and engine will not turn suspect more serious problems. If the rod is siezed due to low oil, it can be replace by removing the sump. No big deal and could be nice project. Before you take anything apart, check that the cable to the safety stop is actually releasing. This could also make you think that the engine is siezed.

Oct 13, 2011 | Honda 8 HP Engine

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HI, I HAVE A HONDA CB125 TDE SUPERDREAM 87, BIG END LOOSE


I think honda only sells the complete crank as you have been told.
An expert engine machinist may be able to dissasemble the crank rebuild the journals, grind, source oversize\undersize bearings, refit bearings, reassemble and balance, but the time and cost would be more than a crank.
You may chase a second hand one from a bike breaker, personally I would try to find another motor, as if the big end has gone, there will be wear in other areas of the motor, like the cam bearings which also are not replaceable. It must have had an oil problem..

Jun 19, 2010 | 2001 Honda CB 125 T

1 Answer

I HAVE A MK2 MR2 WITH A BIG END BEARING NOISE,I HAVE BEEN TOLD ITS A SIMPLE REPAIR, AND CAN BE DONE WITHOUT INVOLVING ENGINE REMOVAL, CAN ANYONE CONFIRM?


Yes and no... The most common problem in the bottom end is with cylinder number 1. It gets oil starved. This is in the 3sgte. Not sure what motor you have. You can change the bearing without taking out the engine....But you will have to drop the sub frame and oil pan. Problem is, is that you dont know if the crank needs reground and or resized. Or if the rod is bad and ovaled. The bearings wont fit.... you can replace the bad bearings.YES! But how long will it last since it wasnt done correctly? Best case. If there is no damage to the crank and rod? Sure it can last a long time with the rite size bearings. But chances are the rod is bad, the crank needs reground/ or its bent it will need machined. good luck

Dec 27, 2009 | 1991 Toyota MR2

1 Answer

Bad engine noise low oil pressure


as for the 93 model i would say if the oil pump isn't working properly chances are that the crank and con rod bearings will be damaged and possibly piston i'm not sure about repairers where you are but if i were to pay $1200 i would expect the motor to be rebuilt too if it has done some serious damage i woul suggest a reconditioned engine you should be able to pick one up for around $1500-$2000 and most of them come with 2 yr warranty firstly id check the oil filter and see wether there are any debris in it such as metal or brass filings as for the 98 model with oil pressure light flickering on and bad engine knock i would think it was either a small end bearing or a big end bearing probably best not to drive it to long with a bad knock because a worn out big end bearing can end up letting the con rod come loose and break or bend causing serious damage ask your mechanic to check the engine oil pressure with a guage and put a new oil filter on it (Could be blocked)

May 30, 2009 | 1998 Toyota Camry

2 Answers

Humming noise when driving


I have a 2003 vue and had similar problem. I took it to my garage, and it was wheel bearings. I've had to replace both sets since I bought the vehicle. I found out that they tend to wear through wheel bearings. I also found out that they have strut issues as well.

Apr 09, 2009 | 2003 Saturn VUE

2 Answers

Knocking noise from engine at > 2000 RPM.. any ideas??


it does sound like a big end bearing and yes the piston will come outta the bloc k eventually if you keep driving
it can be replaced no need for a new engine
you will need a engine if it does come outta the side
but to fix a big end is not that much, if u need a new engine for your veichle is about a few grand

but 100 percent big end bearing i done one last week on a suburu wrx imprezza turb all up it was 550 or so

Jul 03, 2008 | 1998 Subaru Impreza

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