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      08-29-2015, 07:44 AM   #1
Socket
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The Ultimate N54 Maintenance List

There are a few parts on the N54 engine that require regular servicing or replacement to avoid ending up on the back of a flat bed tow truck

What are the must haves on an N54 maintenance list??

Version 1.5


Oil change every 8,000K
Air filters every 15,000 K
Spark plugs every 20,000 K
Walnut blast to clean ports every 40,000 K

Ignition coils around 60K

Water pump around 75K

Oil filter housing gasket around 85K

Thermostat around 100K
Injectors and decouplers around 100K
Valve cover gasket around 100K
Vanos solenoids around 100K
Vacuum lines around 100K
Trust arm bushings around 100K
Main drive belt and tensioner around 100K (earlier oil has leaked on it)
Boost solenoids around 100K
Auto transmission fluid / Diff Oil, new pan, mechatronics seal and sleeve around 100K

Cam tray ledges and cam seals around 160K

HPFP if long cranks on start up or pressure below 2000 psi

Power steering fluid every 2 years
Brake flush/change every 2 years.

Coolant flush and replacement every 4 years

Radiator hoses every 5 years

Battery every 5 - 7




Last edited by Socket; 08-30-2015 at 12:05 AM..
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      08-29-2015, 07:56 AM   #2
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I saw this before
Attached Images
File Type: pdf N54 Service List.pdf (44.7 KB, 12266 views)
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      08-29-2015, 08:10 AM   #3
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I saw this before
This is very useful
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      08-29-2015, 08:18 AM   #4
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Correct me if I am wrong but don't water pumps usually go out around 75k?
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      08-29-2015, 08:19 AM   #5
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nice write up. My oil filter housing starting leaking at 85k.

Also the oil cooler lines that go into the oil filter housing started leaking as well. 2 o rings.
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      08-29-2015, 08:20 AM   #6
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Quote:
Originally Posted by infidel335 View Post
Correct me if I am wrong but don't water pumps usually go out around 75k?
Im at 85k waterpump still pumping away.
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      08-29-2015, 08:46 AM   #7
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Originally Posted by infidel335 View Post
Correct me if I am wrong but don't water pumps usually go out around 75k?
Updated
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      08-29-2015, 08:48 AM   #8
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depends on lots of factors like how old the car is etc but waterpumps can go at 40k kays! Thats 40k kays on a 2007 model though...
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      08-29-2015, 08:48 AM   #9
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Originally Posted by mikenazz View Post
nice write up. My oil filter housing starting leaking at 85k.

Also the oil cooler lines that go into the oil filter housing started leaking as well. 2 o rings.
Updated
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      08-29-2015, 08:51 AM   #10
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Originally Posted by DR-JEKL View Post
depends on lots of factors like how old the car is etc but waterpumps can go at 40k kays! Thats 40k kays on a 2007 model though...
What would you like to contribute to the list DrJ??
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      08-29-2015, 09:57 AM   #11
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5,000km on oil change is a bit too low?
I usually change mine 7,000-10,000kms
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      08-29-2015, 10:38 AM   #12
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My water pump is still going strong past 100,000km, but OFH is leaking again around the o-rings and somewhere near the back after the last replacement some 20,000km ago.

Seriously, why can't they just fucken use a traditional spin on metal cainster filter that spins directly onto the engine block (like my Skyline), never had a leak issue like these shitty o-rings/gaskets crap.

Also diff oil change probably every 100,000km? (BMW says it's filled for life... yeah right).

And power steering every couple of years? I changed mine recently and the old fulid looked pretty shit.

Brake flush/change every 2 years.
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      08-29-2015, 08:15 PM   #13
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Coolant every 4 years

I would probably throw in radiator hoses on the list. Seems like the plastic flanges like to get brittle over time or the rubber hoses perish/go soft even after just 7 years.
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      08-30-2015, 12:01 AM   #14
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Quote:
Originally Posted by 7smurfs View Post
5,000km on oil change is a bit too low?
I usually change mine 7,000-10,000kms
Updated
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      08-30-2015, 12:04 AM   #15
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Quote:
Originally Posted by Mayuri Krab View Post
My water pump is still going strong past 100,000km, but OFH is leaking again around the o-rings and somewhere near the back after the last replacement some 20,000km ago.

Seriously, why can't they just fucken use a traditional spin on metal cainster filter that spins directly onto the engine block (like my Skyline), never had a leak issue like these shitty o-rings/gaskets crap.

Also diff oil change probably every 100,000km? (BMW says it's filled for life... yeah right).

And power steering every couple of years? I changed mine recently and the old fulid looked pretty shit.

Brake flush/change every 2 years.
Updated
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      08-30-2015, 12:06 AM   #16
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Quote:
Originally Posted by vtl View Post
Coolant every 4 years

I would probably throw in radiator hoses on the list. Seems like the plastic flanges like to get brittle over time or the rubber hoses perish/go soft even after just 7 years.
Update
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      08-30-2015, 12:36 AM   #17
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Good thread Socket.

I would suggest doing thermostat at same time as water pump to save on labour costs.

For those people thinking OMG i havent changed my waterpump/solenoids/injectors/coils etc and I'm at XXX km, make sure you weigh up the cost of 'over-servicing' vs your inconvenience if they did happen to go out on you. Not saying you shouldn't do preventative maintenance, but a waterpump could go bad at 40k or 140k so if you kept changing at 75k then you could be wasting money if your pump would actually last much longer than that. Bit of a gamble i know, but unless you can't afford to have your car off the road for a few days, or you have a money tree in the backyard (if you do, come i come over for a beer?) then don't fix what ain't broke imo. ***This comment does not apply to fluids! :P
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      08-30-2015, 03:56 AM   #18
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Thanks Harmsy. Good point. Any thing to add to the list?
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      04-25-2016, 04:29 PM   #19
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If we can add OEM part #'s for all these replacement parts, it would be a tremendous help
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      04-25-2016, 04:41 PM   #20
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do spark plugs really need to be changed every 20k I bought my car with 80k on original plugs. I think the generally accepted plug interval in the states is 45k miles. (maybe different if tuned but i still think 20k is excessive maybe 40k is more appropriate? interested in what others think)

same with coilpacks at 90k now still original coils.

Also injectors don't need to be changed if there is nothing wrong with them and with the latest index injectors the leaking issue has been fixed. a bottle of injector cleaner on the tank of fuel before every service is what I do.

walnut blast at 40k is also excessive (unless you can do it yourself) 70-80k is what's generally accepted.
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      04-25-2016, 05:18 PM   #21
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Quote:
Originally Posted by titium View Post
do spark plugs really need to be changed every 20k I bought my car with 80k on original plugs. I think the generally accepted plug interval in the states is 45k miles. (maybe different if tuned but i still think 20k is excessive maybe 40k is more appropriate? interested in what others think)

same with coilpacks at 90k now still original coils.

Also injectors don't need to be changed if there is nothing wrong with them and with the latest index injectors the leaking issue has been fixed. a bottle of injector cleaner on the tank of fuel before every service is what I do.

walnut blast at 40k is also excessive (unless you can do it yourself) 70-80k is what's generally accepted.
Are you tuned? If so swap your coils and you'll notice a massive difference (my car felt much stronger after a plug and coil change (had much more torque- the plugs were less than 10k kays and coils had 75k kays use) as these components wear over time and our motors tuned put a rather large strain on the ignition system.

Because the coils are inserted deep down into the head of the engine, and our motors run rather hot this is a factor as to what kills them (remind same of the nissan RB26 with the same coil design and consequently suffer from the same issue) and these motors also eat plugs
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      04-25-2016, 05:37 PM   #22
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Quote:
Originally Posted by titium View Post

walnut blast at 40k is also excessive (unless you can do it yourself) 70-80k is what's generally accepted.
I'd recommend 50k intervals as ideal.

Depends on the car, but have seen cars as low as 60k kms have big lumps of carbon on the valves.

I'll be doing another walnut blast this year to mine. So far its been 7 months and 20k on the car, will be interesting to see what kind of build up there is.
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