03 Disco Engine Noise - Land Rovers Only

StevieLBCA · 01-30-2007, 01:09 PM

Looking for information or bullitens about engine noises in the 03 Discoverys. Have an 03 that sounds to have a rod or piston pin knock on acceleration.

Muddy Oval · 01-30-2007, 01:13 PM

The 03's had some issues with oil pumps- usually they just go kaboom. If it is under warranty, have them take a look at it. My 04 always rattled like a diesel...

OkieRover · 01-30-2007, 01:30 PM

As does my 03. I WISH it was a diesel not just sound like one.
I put some injector cleaner in and ran a couple of tanks of 91 proof through her.
And I switched to Castrol 20w50 for my oil.

StevieLBCA · 01-30-2007, 01:48 PM

The engine was already exchanged in this Disco, noise started during a 2k mile trip, going to put AMS Oil in it next oil change. Anyone know about the bullitens covering this information? If nothing else I have a direction to go in......Thanks guys for the info

DevilDisco · 02-01-2007, 12:42 PM

Genereally if its making noise all the time then you should probably check the oil. The Disco benefits from oil changes every 3k, if you try to follow the service interval from the manual you're going to end up in trouble. I haven't tried synthetic. Manual calls for 10W40 Castrol but says 10W30 is fine too. In my '04 when it started tapping all the time the dealer said it needed a quart of oil. Now it taps just on start up, not sure if it will ever go away but I want to try that 10W40, and synthetic seems too expensive to run through the engine every 3k.

Disco Mike · 02-01-2007, 01:48 PM

Steve, don't mess with the engine, take it back to Rover and let them deal with it under warranty.
Mike

OkieRover · 02-01-2007, 01:55 PM

^^^^ warranty is good
Make them look at it for the taping. Could be a valve or something else bad. they'll fix it it they can find it

01-30-2007, 01:09 PM	#1 (permalink)
StevieLBCA Member Join Date: Jan 2007 Posts: 2 Gallery: 0	03 Disco Engine Noise Looking for information or bullitens about engine noises in the 03 Discoverys. Have an 03 that sounds to have a rod or piston pin knock on acceleration.

01-30-2007, 01:13 PM	#2 (permalink)
Muddy Oval Otherwise known as STEVE Join Date: Oct 2005 Location: Vermont Posts: 1,968 Gallery: 0	The 03's had some issues with oil pumps- usually they just go kaboom. If it is under warranty, have them take a look at it. My 04 always rattled like a diesel... __________________ 2002 Freelander 2000 DII w/CDL 1967 SIIA 109SW Former Rovers 2004 Modded "S" Disco, R.I.P. 2004 G4 Disco 2002 Modded Freelander 1995 Modded Disco 1994 D-90 #8 1993 NAS D110 1990 Range Rover County 1973 SIII 88 1972 Range Rover 2 door

02-01-2007, 12:42 PM	#5 (permalink)
DevilDisco He did what in his cup??? Join Date: Jan 2006 Location: GA Posts: 1,005 Gallery: 0	Genereally if its making noise all the time then you should probably check the oil. The Disco benefits from oil changes every 3k, if you try to follow the service interval from the manual you're going to end up in trouble. I haven't tried synthetic. Manual calls for 10W40 Castrol but says 10W30 is fine too. In my '04 when it started tapping all the time the dealer said it needed a quart of oil. Now it taps just on start up, not sure if it will ever go away but I want to try that 10W40, and synthetic seems too expensive to run through the engine every 3k. __________________ '04 Discovery SE7. Last of the best.

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01-30-2007, 01:48 PM	#4 (permalink)
StevieLBCA Member Join Date: Jan 2007 Posts: 2 Gallery: 0	The engine was already exchanged in this Disco, noise started during a 2k mile trip, going to put AMS Oil in it next oil change. Anyone know about the bullitens covering this information? If nothing else I have a direction to go in......Thanks guys for the info

02-01-2007, 01:48 PM	#6 (permalink)
Disco Mike Moderator Join Date: Aug 2004 Location: Parker, Colorado Posts: 5,325 Gallery: 0	Steve, don't mess with the engine, take it back to Rover and let them deal with it under warranty. Mike

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