Disco 1 3.9 V8 - Cranking speed?
Discussion
As its an auto it could be the flex plate has cracked. The centre of this plate bolts to the crankshaft & the outer is bolted to the 4 lugs on the engine side of the torque converter.
Remove the vertical cover at the lower front of the bellhousing & have a look.
But start by dealing with that blow on the exhaust, just to eliminate any noise that may be making.
Remove the vertical cover at the lower front of the bellhousing & have a look.
But start by dealing with that blow on the exhaust, just to eliminate any noise that may be making.
paintman said:
As its an auto it could be the flex plate has cracked. The centre of this plate bolts to the crankshaft & the outer is bolted to the 4 lugs on the engine side of the torque converter.
Remove the vertical cover at the lower front of the bellhousing & have a look.
But start by dealing with that blow on the exhaust, just to eliminate any noise that may be making.
Not entirely sure what a flex plate is but I'll have a look! Remove the vertical cover at the lower front of the bellhousing & have a look.
But start by dealing with that blow on the exhaust, just to eliminate any noise that may be making.
Is it the same as a flywheel?
Update - flex plate is good. No cracks that I can see.
After much poking around, I think the noise is the right cat. Poking a screwdriver on the cat I can hear the rattle. Nothing when on the other side, and nothing when on the manifold higher up.
Now to find new downpipes. Or second hand anyway, new are expensive!
After much poking around, I think the noise is the right cat. Poking a screwdriver on the cat I can hear the rattle. Nothing when on the other side, and nothing when on the manifold higher up.
Now to find new downpipes. Or second hand anyway, new are expensive!
you have what appears to be a 200 series - so you don't need cats - just disconnect the exhausts completely from the headers - and drop em to the ground - and rev the nuts out of it.
If rattle has gone then just remove the cats and weld in some pipes
If it is still there then you have a serious problem - probably
Then best to just ust buy a low-miles 3.9 and fit it - will be cheaper than a tear-down.
If rattle has gone then just remove the cats and weld in some pipes
If it is still there then you have a serious problem - probably
Then best to just ust buy a low-miles 3.9 and fit it - will be cheaper than a tear-down.
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