i have a lr with a knock in the front half of the oil pan after the engine warms up 4.6 does not use oil so im wondering if its a cam or wrist pin someone help plz

 

What year? If it is an 03, what is your VIN? Do a search for oil pump failures.....

 

What year? How many miles? Does it knock when cold on start-up? Does knock increase or decrease when you rev the engine to 2000 RPM? Any oil light flickering when hot at idle?

 

SALTW16443A816180
it does not knock right at start up but starts shortly after no lights come on nor does it run hot i think the knock is still there after reving enging but it changes pitch to a higher one thanks and please help

 

Also its an 03 with 76k

 

The oil pressure has been tested and it is 18lbs at idle

 

You need to recheck the oil pressure when cold at idle and at 2000 RPM's and when warm at idle and also at 2000 RPM's, then get back to us.
In the mean time, I wouldn't drive it much.

 

Mine does it, has not blown apart yet... had her for 3 years, uses almost no oil and close to the same miles... I drive both of mine daily

 

ck my vin please let know if its an oil pump failure type thanks

 

TECHNICAL ALERT
March 14, 2003 TA03 1201
NAS US Only Cda Only
ATTENTION: Service Manager Service Advisor Technician
X
2003 Discovery Series II Oil Pump Failures
Vehicles Affected
Discovery Series II (LT) VIN 3A771801 - 3A808362
Situation
Oil pump failures on 2003 Discovery Series II vehicles may be the result of a
manufacturing error. Locating dowel pins may be slightly misaligned permitting
assembly of the oil pump to the engine block, but placing stress on the pump housing
which can ultimately lead to leakage or failure.
Resolution:
Whenever an oil pump failure is encountered on vehicles within the above VIN range
the only effective repair currently available is replacement of the complete engine
assembly including the front cover/oil pump manufactured to the latest tolerances.
Use the following components to affect a repair:

LBB112301 4.6 Engine assembly LEV

LBB111461 4.6 Engine assembly NON-LEV

You are out of the range. What weight oil are you running, and do the test Mike suggested. Cold and at 2K RPM