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gtr32 oil pump failure

tyra skyline
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Duncan Grand Master

Duncan

Posted
Posted
my oil pump stop working today , is it easy to repair  with the engine in the car , any ideas is helpfull.

nope its basically impossible to replace with the engine in the car, you need to take the sump off to take the oil pump off. And you need to remove the flywheel to remove the sump. And you need to remove the clutch to remove the flywheel. And you need to remove the gearbox to remove the clutch....you can see how this story goes.

And since you are doing all that, and presumably you had 0 oil pressure, then you might as well do the bearings at the same time. And get your crank checked to make sure its still straight.

Morgs Veteran

Morgs

Posted
Posted

Its a huge job, like Duncan said..

Also if your oil pump failed - I'd suggest you inspect the condition of the bottom end and head (bearings etc) because almost definately you will find that the motor has sustained damage.

I shut my engine off immediately as soon as I lost oil pressure (within 2 seconds) but it still sustained damage to the bearings.

GTR032 Experienced

GTR032

Posted
Posted

My engine and clutch are coming out next week, so it might be an idea to do the oil pump aswell. Whats a oil pump replacement worth? I thought NISMO ones were pretty damm expensive, but whats a worthwhile replacement without spending heaps??

Morgs Veteran

Morgs

Posted
Posted

N1 pump is only ~500 trade from Nissan (its been a while)

Its a fairly big job thats the downside

If you're doing oilpump, you're not far away from pulling the whole bottom end out and at least inspecting it. At least that way you're getting an idea of how the motor is going (bearing wise etc) and can adjust your plans to suit.

Duncan Grand Master

Duncan

Posted
Posted

Nope, once everything is disconnected it is very easy from there, just a standard engine crane works fine as long as the car isn't too high off the ground on stands in the first place. Takes a lot of work to get ready to lift the engine out tho.

And your other option is to take the engine out the bottom of the car....undo the tailshaft, front drive shafts and drop the front subframe, out comes whole engine and gearbox. Just lift the car off the engine using an engine hoist.

Duncan Grand Master

Duncan

Posted
Posted

Yeah we just did it in the garage, although I supose it would be even easier with a hoist......good luck....not sure which is easier, we put it in over the top last time and was pretty easy but we've done it a few times now....

JH32 Grand Master

JH32

Posted
Posted
I've heard/read that taking the engine out the bottom is much easier/simpler but I'll need to take the engine out in the home garage.

THanks for the reply Duncan

We took the engine out of mine out the top, and will replace from the top as well

Just disconnect the gearbox first and it's not too hard ;)

cowie165 Veteran

cowie165

Posted
Posted

Thanks Duncan, thanks JimiH!

Hi Lucien. No problems, but now I'm replacing those sills that were crushed I'm having the entire car painted. This means I'll be keeping her a long time and I'm keen to take the engine out and replace every hose I can get my fat little fingers on. I'll renew the pumps and will change the timing belt, even though it looks like it has already been done.

It doesn't HAVE to come out, just thought it might be easier to do so. I'd like to repaint the engine covers and the inlet plenum too. *shrugs shoulders* Just thinking out loud when the opportunity arose ;)

Mark

JH32 Grand Master

JH32

Posted
Posted

Did you end up doing your drive shafts Mark ?

I agree with Lucien, do all the gaskets while the engine's out.

I pulled mine apart and did headgasket, all other gaskets, new pumps etc ... definitely worth doing for peace of mind :rofl:

Sydneykid Grand Master

Sydneykid

Posted
Posted
my oil pump stop working today , is it easy to repair  with the engine in the car , any ideas is helpfull.

How do you know that your oil pump stopped working?

Maybe it's the oil pressure gauge that isn't working?

Maybe it's the oil pressure sensor that isn't working?

:rofl:

cowie165 Veteran

cowie165

Posted
Posted
Did you end up doing your drive shafts Mark ?

I agree with Lucien, do all the gaskets while the engine's out.

I pulled mine apart and did headgasket, all other gaskets, new pumps etc ... definitely worth doing for peace of mind :)

Yep, had the boots replaced. The Repco universal ones won't work. The OEM boot (passenger side iirc) has two 'scalloped' cuts to fit around other components. I ended up asking Paul (two.06l) to do it for me as he has the right tools. One of the Repco boots split when putting it on, the other one ended up becoming an inner boot. Moral of the story is use parts from Mr Nissan.

Re gaskets etc.: I still don't trust the engine. The paint is peeling off the inlet plenum and the ECU wasn't screwed in correctly. I haven't found any signs of an EBC but I'm big on preventative maintenance before I go asking the engine for more power. I'm planning on doing exactly what you've done JiMiH. Did you DIY?

(sorry about the hijack guys)

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