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TD5 Oil & Filter questions


M&S

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Hi all,

Due to give the Disco (2004 TD5) a 6k oil and filter change but am reading conflicting specs. Could someone please help clarify the following:

1) Which oil? The handbook says 5W30 fully synthetic, Haynes says 5W40 Fully synthetic and Halfrauds chart says 10W/40 semi-synthetic. So which is it? I'd like to think I could get away with semi-synthetic as I'm changing it every 6k?

2) Filters... I have just come across this statement which agrees with the service sheet:

"the use of an centrifugal oil filter beside the normal filter. This cleans the oil by centrifugal force and accumulates dirt in an disposable metal pot that must be replaced every 36.000 miles (57000 km). In this way oil and standard filter exchange intervals have been extended to 12.000 miles."

My thinking is:

At 6k replace the engine oil with 5W40 synthetic oil and change the normal cartridge filter.

At 12k replace the engine oil and both oil filters (as well as the other sevice items).

I'd pop in and ask at the dealers, but to be honest they will probably give me a different answer depending on the day of the week!

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5/30 fully synthetic is the spec, but 10/40 if it's done a few miles.

2 oil filters on this engine - the centrifugal one, which is inside the webbing of the inlet manifold, and a normal canister type underneath - close to the turbo. They are cheap enough, so I replace both filters regardless of the variation in mileage.

Les.

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5/30 fully synthetic is the spec, but 10/40 if it's done a few miles.

2 oil filters on this engine - the centrifugal one, which is inside the webbing of the inlet manifold, and a normal canister type underneath - close to the turbo. They are cheap enough, so I replace both filters regardless of the variation in mileage.

Les.

Thanks Les, have edited my post, should have said I was thinking of using 5W40 synthetic.

I have the Britpart filters fitted at the moment (last service was at an independant) which are cheap enough as you say. But the Britpart centrifugal filter is as noisy as anything compared to the genuine LR filter. At £18.99 for the genuine filter though I don't want to replace it if it's not needed as I'm effectively doubling my service costs.

It's done 126k miles, runs lovely, full history etc.

Cheers, Martin

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We have used all sorts of centrifugal filters of various makes. The noise they make has nothing to do with the make of filter. But I wouldn't worry about the noise at all. So long as they work.

Ah, ok. Cheers Jim. I'll change it at 12k anyway I think, and the cartridge every 6k with the oil.

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hi i work for lr as a mechanic in a main dealer just putting my experance accross...rotor filter get changed every 12000miles and the full flow(beside the turbo) get changed every 36000 thats what stated from lr on there service sheets! hope this helps! :D

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hi i work for lr as a mechanic in a main dealer just putting my experance accross...rotor filter get changed every 12000miles and the full flow(beside the turbo) get changed every 36000 thats what stated from lr on there service sheets! hope this helps! :D

Thanks, your advice is appreciated. It's interesting that you are saying the rotor filter is changed more often than the cartridge filter. Am I correct in reading that?

So if you were changing the oil at 6k, would you change just the rotor filter then also? And then do the rotor and cartridge at 12k.

I'd be interested to know what Land Rovers recommended service schedule is for vehicles used off-road...

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From the information on RAVE, first the Technical Brochure

Diesel Engine Td5

Oil filter

The Td5 engine features two oil filters. The primary oil filter is a conventional canister type. The primary oil filter filters all the oil entering the oil gallery and the oil entering the secondary oil filter. The primary filter features a paper element which is used to trap particles as small as 15 microns (0.015 mm) in diameter. But diesel engine produces many particulate impurities smaller than this and these particles are removed efficiently by the secondary centrifugal filter. Therefore, the service life of the primary oil filter canister can be greatly extended. Always refer to the maintenance check sheet for the correct service interval for both the primary and secondary oil filters.

The secondary oil filter is a centrifugal oil filter which is housed in a ‘ pot’ located by the exhaust manifold. The pot lid is sealed to the pot by an ‘ O’ ring. This ‘ O’ ring should be replaced when the centre canister is replaced. The oil filter works by the replaceable centre unit spinning very rapidly.

The unit has two very fine holes drilled at an obtuse angle so that when oil flows through them under pressure it spins the centre filter unit. The centre of the centrifugal filter can rotate at speeds up to 15,000 rev/min. The inner surface of the spinning canister gets coated in a gel of old engine oil and carbon particles. The centrifugal filter is capable of retaining much finer carbon particles than a traditional canister type oil filter.

The oil pressure warning switch is located in the housing under the turbocharger. The oil pressure switch will go to an open circuit state (light off) when the oil pressure rises above 0.5 0.68 Bar .

The housing between the two oil filters and the cylinder block incorporates an oil cooler. The oil is passed through the oil cooler via a thermostat in the oil filter housing, which has a 72 °C (160 °F) opening temperature. The oil is then cooled by the cylinder block water jacket.

From the Workshop Manual, TD5, Description & Operation.

Pressurised oil from the pump is passed through to the cylinder block where it is delivered to the centrifuge filter and full-flow filter via a port in the RH cylinder block which interfaces with a port in the centre gallery of the oil cooler housing. The oil pump contains an oil pressure relief valve which opens to allow oil to be recirculated back around the pump if the oil pressure increases to a high enough level.

10% of the oil flow from the pump is diverted through the centrifuge filter and returned to the sump via the centrifuge filter drain tube. The remaining 90% of the oil passes through the standard full-flow filter to the main oil gallery in the cylinder block.

Also

Oil filters

The Td5 engine features two types of oil filter; the main filter is a standard disposable cartridge-type full-flow oil filter which is augmented with a by-pass centrifuge filter used to filter out particulate matter having a diameter smaller than 15 micron but greater than 3 micron.

The LR Maintenance Schedule is in the attached files. Look at Page 2 'It is recommended that' for advice on arduous operating conditions.

As the RAVE that comes from is several years out of date, it's entirely possible that intervals specified currently are different, but the principle will be the same.

HTH

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Cheers for that, very useful.

Also, my appologies but I think I've been a complete muppet about this also. So as not to confuse anyone else reading this thread I'd like to clarify from the LR handbook the following regarding the oil:

Use Castrol 5W/30 Engine oil meeting specification ACEA A1+B1.

5W/30 will protect from -30'C to +35'C

I've since found that this specification is met with several semi or part synthetic oils, and so I do not need a fully synthetic oil.

So this one should do the trick, especially if I get my trade card accepted ;)

http://www.halfords.com/webapp/wcs/stores/...Param=9.50#dtab

I've never cared this much before, I've always stuck the cheapest oil in from Unipart. It must be love :wub:

Thanks all, not sure why I got so confused with this, must have been having a blonde day :D

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If in your shoes I would spend couple quid more per litre and get at least this: http://www.halfords.com/webapp/wcs/stores/...tegoryId_165581

I wouldn't recommend more than 3000 miles on the oil you chose (so, in the end, the cost per mile would be higher).

Popped to Unipart today and they have Fully Synthetic 5W/30 for £51 for 25 litres. That's including VAT. I think £2 per litre fully synthetic is a very good, that's about £15 per service :D

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  • 1 month later...
Popped to Unipart today and they have Fully Synthetic 5W/30 for £51 for 25 litres. That's including VAT. I think £2 per litre fully synthetic is a very good, that's about £15 per service :D

Just to say thanks for the advice to all. Fitted a new Britpart rotary filter and the Unipart 5W/30 fully synthetic oil yesterday :D The old oil looked spot-on. Like new in fact (just a bit blacker as it should be). No gunge, no lumps, no discolouration, no water, the viscosity was good...just shows how knackered the engine must have been in my LDV :ph34r:

I greased the three grease nipples that I could find on the prop shafts also. The double carden shaft doesn't apear to have any nipples on the UJ's or the shaft splines? Any others that I've missed?

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my local unipart dont do 25l drums but they do 20l for £38

just a quick question what is the service intervals for a td5 disco as my service book goes in 12000 steps not 6000 and the rave says 12000 for the disco(using fully synthetic) and 6000 for defender (using semi synthetic) still do my disco at about 6000 any way

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interesting about the unipart oil, as i'm about to do a service on the td5 disco and my tdi defender.

LesH mentions you can use 10w40 semi synth in a td5, cos thats the stuff i use in my tdi - so just wondering if i can definitely use the same oil in both.

My td5 has 120k on the clock and until the last oil change it never uses any oil {see note} between servicing and doesnt smoke - and the tdi doesnt use any oil either...

So would i be alright using either 5w40 or 10w40 semi in both types of engine?

{note]} reason i make a note. At the last service i instructed the garage to use the appropriate spec fancy castrol edge oil (taken in by the marketing hype from the saluki team and the blurb about better and quieter running with improved economy etc). Well it only did 5000 miles and it used over a litre of oil. Never smoked or leaked, but it has obviously gone somewhere - presumably burnt off. Not a happy bunny. I dont know it its the special synthetic specs or what - but as it was nearly on empty i gave it an oil change and bunged in the standard semi synth from my local landie specialist. Its since done another 7000 miles and not lost any oil at all!!!!!!!!

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