Thread: Oil pressure problem V8?

Does it have the camshaft or crankshaft driven oil pump?

If the former, there is an oil pressure relief valve within the oil pump front cover which has been known to stick in the open position. This will then see a drop in oil pressure and very little in the way of oil circulating around the engine.

Ron.

Hi, thanks Ron, I will have to check out which oil pump drive I have(new to LRs) Hope that's all it is, and its not to much of a mission to fix. LR is still down the road, contemplating on putting a half litre more oil(over fill) in it to get it home!
Thanks
Dan

4L EFI V8

Hello Dan,

It is a 4.0 litre, then it has a crankshaft driven oil pump. I have not had one of these apart so I cannot say if this could be the same problem, although it may well be likely.

I am sure that another member who has will pop by and give some help to you too.

Ron.

Are both filters the same
If it didn't do it before you changed the oil chances are its something you have done

Is the oil to thick
Is it the right filter

I brought the new oil filter from supercheap so to check it was right I went to '4 wheel drives' in Blackburn and got the same one there to. Both new oil filters are the same diameter but a lot shorter than the original. Was reading a post about filling the filter with oil before installing? Engine was starting to get death rattle before i shut it down..

What is the number on the filter (Z89A), you may have put the wrong filter on, Regards Frank.

G'day stdango


It is usually wise to 3/4 fill a new filter with oil before spinning it on, as it helps to stop the chance of an airlock and no oil pressure,which sounds like what yours has.does your oil light go off, was your oil light working OK before the oil change ??

cheers

Hi, yea oil filter is Z89A. I cautiously started it to get it home, it rattled and slowly became quiet after about a min. Was only a short trip home so it didn't have time to warm up. Going to pull off filter and drain oil. And try filling filter first. Noticed under the oil fill cap, it looked that dodgy creamy brown colour.. would a head gasket cause oil pressure drop? Hadn't had a chance for a decent long drive before i changed the oil. I did buy it 'as is', not much info from previous owner other than he had head gaskets done, when i don't know. Was losing oil pressure when light came on.. could hear it starving for oil big time!

Thanks