Discovery failure
#11
I would write it off, personally.
It ran without oil long enough to lock up, and now it sounds like a diesel after restart? The short list of things that will need to be replaced is:
- Rocker arms and shaft assembly x2
- Push rods x16
- Lifters x16 (prolonged lack of oil pressure at highway speeds = collapsed lifter)
- Rod bearing set x8
- Main bearings
- Cam bearings
- Replace compression and oil ring sets.
And the following will need inspection/ measurement:
- Inspect cam lobes for wear, replace cam if evident.
- Inspect wrist pin for wear, replace pin if evident. x8
- Inspect connecting rod wrist pin journal for wear, replace rod if evident. x8
- Inspect/ measure cylinder bore for wear, replace liner if evident/ out of spec. x8
- Inspect/ measure crankshaft bearing journals for wear, resurface if evident, replace all bearings with oversized sets to match necessary machining.
It ran without oil long enough to lock up, and now it sounds like a diesel after restart? The short list of things that will need to be replaced is:
- Rocker arms and shaft assembly x2
- Push rods x16
- Lifters x16 (prolonged lack of oil pressure at highway speeds = collapsed lifter)
- Rod bearing set x8
- Main bearings
- Cam bearings
- Replace compression and oil ring sets.
And the following will need inspection/ measurement:
- Inspect cam lobes for wear, replace cam if evident.
- Inspect wrist pin for wear, replace pin if evident. x8
- Inspect connecting rod wrist pin journal for wear, replace rod if evident. x8
- Inspect/ measure cylinder bore for wear, replace liner if evident/ out of spec. x8
- Inspect/ measure crankshaft bearing journals for wear, resurface if evident, replace all bearings with oversized sets to match necessary machining.
#12
You'll have to excuse Buzz, he sniffed way too much glue back in the 70's. Facts are not his forte'.
They've used the same slick liner since the 1962 215c.i. Buick V8.
It's possible you dropped more than one liner. That is an incredible amount of friction heat generated which makes things expand quickly like pistons to rings, rings to liners even the piston skirts to liner.
Where are you residing (kilometers)? If it's to the "North" can you get your hands on a TD5? The 03/04 4.6L are junk. They really put the screws to the LR faithful with these two years.
My brand new Atlantic British catalog lists the 4.6 long block "Bosch" for $6995.95 US. It lists heads as secondary air (which I'd cap off).
They've used the same slick liner since the 1962 215c.i. Buick V8.
It's possible you dropped more than one liner. That is an incredible amount of friction heat generated which makes things expand quickly like pistons to rings, rings to liners even the piston skirts to liner.
Where are you residing (kilometers)? If it's to the "North" can you get your hands on a TD5? The 03/04 4.6L are junk. They really put the screws to the LR faithful with these two years.
My brand new Atlantic British catalog lists the 4.6 long block "Bosch" for $6995.95 US. It lists heads as secondary air (which I'd cap off).
#13
So I had to call the mechanics shop to find out what the deal is. Because you know I guess its not important for me to know...
I found out that right off the bat the guy said I need a new engine. I find that hard to believe considering that, if the bearings are spun, I should technically be able to get a new crank shaft and main bearings assembly then get the oil pump as well and clean out that pick up tube and see how it goes from there.
I have to call back tomorrow seeing as how the office lady didnt give me specific info.
She just said the mechanic said the bearings are spun and there is no oil PSI...
Thoughts on that boys?
I found out that right off the bat the guy said I need a new engine. I find that hard to believe considering that, if the bearings are spun, I should technically be able to get a new crank shaft and main bearings assembly then get the oil pump as well and clean out that pick up tube and see how it goes from there.
I have to call back tomorrow seeing as how the office lady didnt give me specific info.
She just said the mechanic said the bearings are spun and there is no oil PSI...
Thoughts on that boys?
#15
So I had to call the mechanics shop to find out what the deal is. Because you know I guess its not important for me to know...
I found out that right off the bat the guy said I need a new engine. I find that hard to believe considering that, if the bearings are spun, I should technically be able to get a new crank shaft and main bearings assembly then get the oil pump as well and clean out that pick up tube and see how it goes from there.
I have to call back tomorrow seeing as how the office lady didnt give me specific info.
She just said the mechanic said the bearings are spun and there is no oil PSI...
Thoughts on that boys?
I found out that right off the bat the guy said I need a new engine. I find that hard to believe considering that, if the bearings are spun, I should technically be able to get a new crank shaft and main bearings assembly then get the oil pump as well and clean out that pick up tube and see how it goes from there.
I have to call back tomorrow seeing as how the office lady didnt give me specific info.
She just said the mechanic said the bearings are spun and there is no oil PSI...
Thoughts on that boys?
#16
#18
Well, the left over casting serves as a lip to prevent the drop. But it can wear away and allow continued drop. ihScouts is correct that it is not a built in feature, more like an undocumented feature or glitch in the QC process. When the heads are off you can see if one or more cylinder liners have dropped. Here are better pix of it. The Slipped Sleeve or Liner
#19
"the oil light had come on. Thinking its the oil pump getting lazy and the PSI may have been a small issue we carried on." Why would anyone do this; especially why would anyone assume that oil pump is getting lazy and psi is a small issue, and continue driving?" Now, you must pay for your assumptions, that were certainly wrong. Clearly engine damage to some degree has been done, but nobody can guess at what overall damage was done. Engine must be taken apart, inspected internally to assess overall damage. With that insight, one can determine if one wants to rebuild engine, if possible--probably possible in this case, but cost to do so is a factor needing consideration--or what other options one wants to choose. Let us all hope that we all learn from this experience, never ever "continue on" when oil pressure light comes on; same too, never ever "continue on" whenever Rover engine overheats, or you certainly will pay for this mistake.