Noise in engine .. Help!
#1
02-28-2016, 07:43 AM
Noise in engine .. Help!
Hi all, new here..
We bought a 2003 land rover SE, the engine light has come on and there is a loud noise. One guy says OBD meter says Misfire on #4 Cyl.
So we towed to an hour to home to a local mechanic who cranked it up and it was very very loud, and looked in it very quickly, checked the oil.. which is fresh, got under to listen comes out and says bad news you need new everything. engine and all.
Neither person really works on land rovers.. they are both pretty general mechanics and we live in a small town where there are very few of these, so not sure what to make of this?
SO, we call Landcover specialist an hour away and explain, he said he's never seen one completely fail at 100k in the 30 years he's worked on them and to bring it in.. but it is another hour tow.. so before we go do all that want opinions.
So we get them to push it out of Garage of Mech. 2.. and go over and crank it up and oddly enough the engine sounded fine.. light still on. .. we also noticed that the noise settled down the other two cranks after it had been on a while.. the common factor in it cranking up with no rattle was that time it was in warm 68 degrees, the other cranks with loud sound were in cold temps. .. So we got up this morning in 29 degree temp to ride over to crank to see if it was doing the same thing? .. at first crank it seemed to crank pretty quiet!? we were puzzled.. the only difference we could see in any of the other cranks was that it was parked at a forward incline rather than flat if that would make a difference. .. we left it on a few minutes and it began to make the noise again... not as obnoxiously loud as the others at start up in cold weather but it is there none the less.
Here is a link to the youtube... based on what I've stated, which way do you lean?.. any thoughts advice. Do you think it is a goner as the other mechanic said.. I will say the other comment that mechanic 2 said, was he got under the car for a minute and said he could hear the noise underneath, then popped out from under and said.. Ma'am sorry but you need a whole new engine. .. Can he really make that diagnosis without hooking it up to things and really looking at it?
We bought a 2003 land rover SE, the engine light has come on and there is a loud noise. One guy says OBD meter says Misfire on #4 Cyl.
So we towed to an hour to home to a local mechanic who cranked it up and it was very very loud, and looked in it very quickly, checked the oil.. which is fresh, got under to listen comes out and says bad news you need new everything. engine and all.
Neither person really works on land rovers.. they are both pretty general mechanics and we live in a small town where there are very few of these, so not sure what to make of this?
SO, we call Landcover specialist an hour away and explain, he said he's never seen one completely fail at 100k in the 30 years he's worked on them and to bring it in.. but it is another hour tow.. so before we go do all that want opinions.
So we get them to push it out of Garage of Mech. 2.. and go over and crank it up and oddly enough the engine sounded fine.. light still on. .. we also noticed that the noise settled down the other two cranks after it had been on a while.. the common factor in it cranking up with no rattle was that time it was in warm 68 degrees, the other cranks with loud sound were in cold temps. .. So we got up this morning in 29 degree temp to ride over to crank to see if it was doing the same thing? .. at first crank it seemed to crank pretty quiet!? we were puzzled.. the only difference we could see in any of the other cranks was that it was parked at a forward incline rather than flat if that would make a difference. .. we left it on a few minutes and it began to make the noise again... not as obnoxiously loud as the others at start up in cold weather but it is there none the less.
Here is a link to the youtube... based on what I've stated, which way do you lean?.. any thoughts advice. Do you think it is a goner as the other mechanic said.. I will say the other comment that mechanic 2 said, was he got under the car for a minute and said he could hear the noise underneath, then popped out from under and said.. Ma'am sorry but you need a whole new engine. .. Can he really make that diagnosis without hooking it up to things and really looking at it?
#2
02-28-2016, 08:02 AM
Hi. Welcome.
Does the tapping/knocking increase with engine revs? Is there a rev range that the noise goes away?
You say it's more likely to do it cold than warm? That kinda counts out a slipped liner which usually does the opposite.
Mechanic number one cannot say with 100% certainty it needs a whole new engine by being under it for a minute, no. Did he specifically say which parts were bust, to lead to his conclusion?
If you are not in a huge hurry to get it on the road, there will be help here to diagnose what situation you are in. Or, if you don't want to get that involved, taking to mech#2 with LR experience is a good substitute.
Where are you? Somewhere here is a great list of recommended independant garages.
Good luck. You'll get this sorted.
Does the tapping/knocking increase with engine revs? Is there a rev range that the noise goes away?
You say it's more likely to do it cold than warm? That kinda counts out a slipped liner which usually does the opposite.
Mechanic number one cannot say with 100% certainty it needs a whole new engine by being under it for a minute, no. Did he specifically say which parts were bust, to lead to his conclusion?
If you are not in a huge hurry to get it on the road, there will be help here to diagnose what situation you are in. Or, if you don't want to get that involved, taking to mech#2 with LR experience is a good substitute.
Where are you? Somewhere here is a great list of recommended independant garages.
Good luck. You'll get this sorted.
#3
02-28-2016, 08:12 AM
Hi. Welcome.
Does the tapping/knocking increase with engine revs? Is there a rev range that the noise goes away?
You say it's more likely to do it cold than warm? That kinda counts out a slipped liner which usually does the opposite.
Mechanic number one cannot say with 100% certainty it needs a whole new engine by being under it for a minute, no. Did he specifically say which parts were bust, to lead to his conclusion?
If you are not in a huge hurry to get it on the road, there will be help here to diagnose what situation you are in. Or, if you don't want to get that involved, taking to mech#2 with LR experience is a good substitute.
Where are you? Somewhere here is a great list of recommended independant garages.
Good luck. You'll get this sorted.
Does the tapping/knocking increase with engine revs? Is there a rev range that the noise goes away?
You say it's more likely to do it cold than warm? That kinda counts out a slipped liner which usually does the opposite.
Mechanic number one cannot say with 100% certainty it needs a whole new engine by being under it for a minute, no. Did he specifically say which parts were bust, to lead to his conclusion?
If you are not in a huge hurry to get it on the road, there will be help here to diagnose what situation you are in. Or, if you don't want to get that involved, taking to mech#2 with LR experience is a good substitute.
Where are you? Somewhere here is a great list of recommended independant garages.
Good luck. You'll get this sorted.
We didn't leave it running long enough in any case to see if it went away this morning, as we are not sure enough about what "we" are doing and don't want to damage anything further, what I can say is that this morning we cranked it and it was a pretty normal sounding engine for about 2 minutes, then the tapping started quietly and got louder and that is when I began the video. .. at that point we decided to just cut the thing off.
The other times it was immediately loud upon COLD crank up then settled down as the engine warmed up
We are in Shelby NC, we have told shop that we will have the car towed SOMEWHERE on Tuesday .. Oh and also, the mechanic that told us we needed new everything.. No he gave no specifics, just said these cars are awful, and they were basically problematic in general .. nothing easy about it and that he wasn't interested in the project.
Last edited by Rover111; 02-28-2016 at 08:15 AM.
#4
02-28-2016, 08:23 AM
It helps to remain optimistic and surely get a correct diagnosis. If the knocking was louder on the bottom, got faster when you gave it gas, the general mechanic was likely thinking crank shaft bearing failure. That sounds like someone is banging a hammer inside the engine. A proper diagnosis is needed to be sure. But, in most autos, that does require a major rebuild or replacement- thus the quick and extreme diagnosis he gave.
His thinking was likely this, from top to bottom: your engine has 8 cylinders on top. Inside each cylinder is a piston sliding up and down. On the bottom of each piston a rod is connected pushing up and down. The bottom of the rod is connected to a crank shaft that rotates round and round, pushing the rods, which push the pistons. Those rods each have a bearing that goes around the crank shaft. If oil pressure fails, the bearings wear out. When they wear the rods begin to clunk around that shaft as it turns. That's the hammer sound on the bottom.
If the mechanic got under the car, heard the knock down there, he assumed that this is what happened- failed/failing crank shaft bearings and clunking.
Noises up top are generally less worrisome because they can usually be repaired by opening up the top and addressing them. Down below may involve pulling the engine or diving deep into the guts.
Check this out for some info.
How to know if you're engine needs rebuilding or repair
His thinking was likely this, from top to bottom: your engine has 8 cylinders on top. Inside each cylinder is a piston sliding up and down. On the bottom of each piston a rod is connected pushing up and down. The bottom of the rod is connected to a crank shaft that rotates round and round, pushing the rods, which push the pistons. Those rods each have a bearing that goes around the crank shaft. If oil pressure fails, the bearings wear out. When they wear the rods begin to clunk around that shaft as it turns. That's the hammer sound on the bottom.
If the mechanic got under the car, heard the knock down there, he assumed that this is what happened- failed/failing crank shaft bearings and clunking.
Noises up top are generally less worrisome because they can usually be repaired by opening up the top and addressing them. Down below may involve pulling the engine or diving deep into the guts.
Check this out for some info.
How to know if you're engine needs rebuilding or repair
Last edited by jamieb; 02-28-2016 at 08:33 AM.
#5
02-28-2016, 08:32 AM
It helps to remain optimistic and surely get a correct diagnosis. If the knocking was louder on the bottom, got faster when you gave it gas, the general mechanic was likely thinking crank shaft bearing failure. That sounds like someone is banging a hammer inside the engine. A proper diagnosis is needed to be sure. But, in most autos, that does require a major rebuild or replacement- thus the quick and extreme diagnosis he gave.
Check this out for some info.
How to know if you're engine needs rebuilding or repair
Check this out for some info.
How to know if you're engine needs rebuilding or repair
Thank you, .. after looking at that .. my husband thinks the sound is coming from higher up not down low.
#7
02-28-2016, 09:08 AM
Rock Crawling
Yeah from the sounds of things a misfire on cylinder 4 and the noise you are describing could be a blown head gasket. It would explain the misfire and noise if it is releasing exhaust out the gasket. This will often sound like a exhaust leak.
If you could get your hands on a compression tester you could check that cylinder and get a good idea of if that is the case.
Check out this members video to compare
https://landroverforums.com/forum/di...-gasket-75433/
If you could get your hands on a compression tester you could check that cylinder and get a good idea of if that is the case.
Check out this members video to compare
https://landroverforums.com/forum/di...-gasket-75433/
The following users liked this post:
Rover111 (02-28-2016)
#8
02-28-2016, 09:45 AM
I've been told my engine was dead three times and they were wrong every time!
Some of those were even so called LR specialists!!!
So hang in there and if you are not ready or equipped to do some of this work yourself, you should take it to an LR specific independent mechanic.
As mentioned above, where are you, likely someone on here is nearby and could point you in the right direction.
Some of those were even so called LR specialists!!!
So hang in there and if you are not ready or equipped to do some of this work yourself, you should take it to an LR specific independent mechanic.
As mentioned above, where are you, likely someone on here is nearby and could point you in the right direction.
The following users liked this post:
Rover111 (02-28-2016)
#9
02-28-2016, 11:26 AM
Ok so we go back over.. with a land rover friend, listen.. the noise seems to travel but be predominantly in upper left. We then hear the knocking but also a squeeking noise?
Friend said maybe slipped liner? which would result in noise.. sending to his mechanic tomorrow, .. here is a new video clip showing knock and squeek.
Friend said maybe slipped liner? which would result in noise.. sending to his mechanic tomorrow, .. here is a new video clip showing knock and squeek.
#10
02-28-2016, 12:28 PM