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2004 Land Rover Discovery:good/bad/real bad?

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porschev812



Joined: 01 Mar 2007
Posts: 575
Location: belle fourche ,sd usa

PostPosted: Mon Jan 13, 2014 8:38 pm Post subject: 2004 Land Rover Discovery:good/bad/real bad? Reply with quote

neighbor has a 2004 land rover discovery that he quit driving because of an overheating problem he can't figure out-I looked online an discovered these are known for some serious engine problems occurring with the 4.6 v8 engine:blown head gaskets,cracked blocks,slipped liners,broken oil pumps...Besides some design and manufacturing defects,use of "Dexcool"coolant and bad maintenance by owners seems to give rise to the engine problems.Anyway,been thinking about buying and fixing this truck if he wants to sell at right price Smile anyone know anything about the engine problems or know if this vehicle is worth putting a major engine repair effort into?-looking over online reviews,some people think these are the best vehicle ever,while others they are the worst vehicle they have ever owned...
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Lawndart



Joined: 19 Nov 2013
Posts: 18

PostPosted: Mon Jan 13, 2014 9:03 pm Post subject: Reply with quote

I have an '04 Disco. I really love the look, drive and feel of the truck. I looked long and hard to find one in pristine shape - found in Texas with 35k miles; it looked virtually new. At 46k, the oil pump went tits up and took out the timing chain. I had the engine rebuilt by one of the "know" re-builders. Not cheap, but I did not want a different vehicle - I wanted an '04 Disco and I was not ready to take a complete loss. So I dumped another $7500 into the vehicle. Runs great now (but it did before).
The one you mention will probably need head gaskets replaced and/or one of the cylinder liners has slipped. The way I look at it, if it is fairly nice, you can get it cheaply and you are willing to add an additional $7500, go for it.
Currently my Niva is getting snow and off-road duty.

Edit - here is a link to a decent DII forum
http://landroverforums.com/forum/discovery-ii-18/
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porschev812



Joined: 01 Mar 2007
Posts: 575
Location: belle fourche ,sd usa

PostPosted: Mon Jan 13, 2014 10:21 pm Post subject: Reply with quote

cool-thanks for the info and link!this one has a couple minor door dings,but still looks good-has an aftermarket ARB bumper.Haven't looked at the interior.At first I couldn't figure out how the time-proven rover v8 could have such trouble,but seems design was worked over quite a bit for 4.6 version and some"teething troubles"surfaced...Saw hp/tq given(iirc)as 217 hp/300FT LBs:pretty decent #s for a mild 4.6 v8
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porschev812



Joined: 01 Mar 2007
Posts: 575
Location: belle fourche ,sd usa

PostPosted: Sat Jan 07, 2017 7:00 pm Post subject: Reply with quote

bought the land rover(it's an '03 actually) this past may and got the cooling system fixed- had bad water pump,crumbling plastic thermostat housing,some plastic fittings were crumbling)now runs good,but does have the imfamous loose cylinder liner problem-so only gets careful, limited usage until I can get the engine apart for a fix-will see what needs done once engine apart.I have heard these are known to wear cams too...Really like the truck,so will fix whatever it takes Smile Was strongly warned against buying this on some other forums,but no regrets at all. A clacking sound can be heard at certain temperatures from the left side of engine and sometimes a whiff of antifreeze can be smelt at the exhaust,though not really "using"coolant very fast.
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porschev812



Joined: 01 Mar 2007
Posts: 575
Location: belle fourche ,sd usa

PostPosted: Sun Jan 29, 2017 12:56 pm Post subject: Reply with quote

My old Dodge Raider winter beater broke down(rear axle housing broke)so had to activate the Discovery for emergency use when me got heavy snow-did very well Smile impressed that it started with little protest on a -20*f morning and I havn't heard any loose liner clacking as the cold apparently keeps the aluminum block shrank enough to keep the liner from moving.Love the heated w/s,seats , mirrors and strong heater. The computerized 4x4 traction control works a treat too !
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porschev812



Joined: 01 Mar 2007
Posts: 575
Location: belle fourche ,sd usa

PostPosted: Sun May 21, 2017 9:23 pm Post subject: Reply with quote

using the Land Rover more,starting to think it might not have the loose liner problem and the engine noises might instead be a worn cam and piston slap-collapsed piston skirt know to happen on these engines apparently...found and fixed a couple minor coolant leaks and no longer smelling any antifreeze around the truck.
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porschev812



Joined: 01 Mar 2007
Posts: 575
Location: belle fourche ,sd usa

PostPosted: Thu Mar 08, 2018 6:51 pm Post subject: Reply with quote

Sprang a leak at the back of the engine-drooling on the front diff input shaft,so spent the winter parked-as soon as weather improves,will get it apart to check the leak cause-Probably will pull the heads to check liners and replace gaskets,check condition of cam and valvetrain parts-going back together with ARP head studs.The dexcool coolant originally installed wreaked havoc with plastic cooling system parts except didn't seem to bother the radiator tanks much.
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Dneprdude



Joined: 25 Mar 2017
Posts: 75
Location: Wilmington NC

PostPosted: Fri Mar 09, 2018 6:39 pm Post subject: Reply with quote

Sorry to hear that. Dexcool is one of those debates wether it really works well or not. Seems like I've had the batch of Chevys where it eats the gaskets. My friend put 230kmiles and not a leak in his Silverado. My past Avalanche and current Yukon had bad orange water pump gaskets at 115k like clockwork. Sounds like BMw. Lol
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'74 VAZ 2103
'91 LuAZ 969M
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porschev812



Joined: 01 Mar 2007
Posts: 575
Location: belle fourche ,sd usa

PostPosted: Sat Mar 10, 2018 10:02 am Post subject: Reply with quote

My '07 GMC Canyon 2.9 is running dexcool-so far no trouble at 130,000 except the thermostat...Head gaskets typically last ~110,000 on the Land Rover 4.6 I have heard and mine is at 116,000...It is common to poo poo LandRover quality and workmanship,but the blokes did a pretty tidy job on mine-panel gaps are from another era,but everything is straight and even,and the finish good Smile I do regard BMWs as a little suspect,though I have never owned one:I remember there was one model that had a tendency to scatter it's conrods if you revved the engine aggressively with out a load on it-The ECU was reprogrammed on those to keep people from blowing the engine in that manner...Also,apparently,you can do serious damage to late model BMWs electronics if you replace the battery with one of different than original capacity...
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Dneprdude



Joined: 25 Mar 2017
Posts: 75
Location: Wilmington NC

PostPosted: Sun Mar 11, 2018 5:10 pm Post subject: Reply with quote

I like older bimmers, but anything after 2000 really went too technical. Not as easy to fix as they once were. Newest one I had was a '00 and was a good car and fun to drive of course. The rear suspension towers would crack, but was under recall. Even at 7 years old BMW covered the fix. Pretty cool I thought. But when it told you to do a service or change a part, you better. Lol. I didn't know the water pump was to be changed at 120k and by golly it went at 122k and left me to get towed. Germans have breakdowns to a science. Smile
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'74 VAZ 2103
'91 LuAZ 969M
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