Mazda BT-50 Ford Ranger oil drain issue

Submitted: Monday, Apr 28, 2014 at 21:34
ThreadID: 107516 Views:7407 Replies:3 FollowUps:9
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Hi,
This came across my desk the over day and thought it important to pass on.
A problem that would be very easy to occur and so easy to prevent.



Cheers,
William
Always planning the next trip. VKS-737 mobile 1619

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Reply By: Ross M - Monday, Apr 28, 2014 at 22:17

Monday, Apr 28, 2014 at 22:17
G'day William,
Thank you.
That is exactly one of the issues with that/those vehicles which I mentioned in a previous post.
Myself and some others, were attacked for alerting people to that and other issues. They claimed we were picking on their vehicle type. Not so.
Just because they hadn't had the trouble it apparently doesn't exist in some folks minds.
They may go outback or up the beach and not only are their tyres in the sand.

In the attempt to make the vehicle slightly more fuel efficient Mazda/Fraud have a pump which only develops the pressure/flow required, ie no additional flow to be bled off via a relief valve.

It is very poor, that anyone who hasn't found out or chooses to ignore the issue WILL find out if they ever have to change their own oil or choose to change the oil. They also hope the dealers mechanic is aware of it too. Just a quick rev will fix it???? Engine bearings fixed too.

It is also surprising the oil pump is driven via small chain, Sprocket can be seen in pic, I was aware of this previously and while it continues to run the pump all is well.
On some other makes of vehicle the use of a similar idea hasn't been the most reliable option. I haven't seen a BT50/Ranger one yet and am interested in how robust it may or may not be.

Your PDF should now make a few readers rethink and also know of the possibilities and limitations of what they are buying/driving.
Some may even have a go at you for posting it.

Cheers
Ross M
AnswerID: 531442

Follow Up By: Member - William B (The Shire) - Monday, Apr 28, 2014 at 22:45

Monday, Apr 28, 2014 at 22:45
Hi Ross M,
By posting the PDF I am hoping that some one will benefit.

It probably will not happen every time that some one leaves the oil to drain longer than ten minutes but the chances are very high that it will happen.

It doesn't lessen the value or ability of these vehicles, a lot of vehicles have their own little quirks.

I have a Jackaroo and was initially caught out by the engine oil issue re: cold starting.
As long as we are aware of these things it makes no difference to to our enjoyment of the vehicle.

William
Always planning the next trip. VKS-737 mobile 1619

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Follow Up By: Slow one - Tuesday, Apr 29, 2014 at 05:29

Tuesday, Apr 29, 2014 at 05:29
Here is the previous post number on the oil problem. Post number 107356

I own one of the vehicles and reported the problem to warn others. I didn't feel attacked at all.

Guess some best re read the original post.

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FollowupID: 814458

Follow Up By: Member - Outback Gazz - Tuesday, Apr 29, 2014 at 06:40

Tuesday, Apr 29, 2014 at 06:40
G'day Ross


I did send you an apology - you either didn't read it or are not man enough to accept it ?


All the best


Gazz
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Follow Up By: Ross M - Tuesday, Apr 29, 2014 at 09:57

Tuesday, Apr 29, 2014 at 09:57
Gazz
Perhaps you were a bit quick to become defensive, sorry if i missed the apology.

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Follow Up By: Member - Phil 'n Jill (WA) - Wednesday, Apr 30, 2014 at 09:58

Wednesday, Apr 30, 2014 at 09:58
Hey I think that previous thread is 105908 Slow one

Cheers - Phil
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Follow Up By: Slow one - Wednesday, Apr 30, 2014 at 11:01

Wednesday, Apr 30, 2014 at 11:01
Phil,
thanks for that, my mistake.
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Reply By: Peter F9 - Tuesday, Apr 29, 2014 at 09:00

Tuesday, Apr 29, 2014 at 09:00
Hi all,

As a matter of interest, does anyone know if this did occur how you would recharge the pump?

Thanks Pete
AnswerID: 531459

Follow Up By: Ross M - Tuesday, Apr 29, 2014 at 09:53

Tuesday, Apr 29, 2014 at 09:53
G'day Pete
This is only a theory but I would try it if the situation happened.

The removal of perhaps the oil pressure sender or some other item which allows access to the oil galleries would be required.

Then administer oil into the pressure side of the pump so it CAN flow thicker cool more viscous oil, ie, reverse flow by gravity, into the exit side of the pump. This should reprime the vane type pump and allow it's own internal "vane end pressure" to hold the vanes "out" to make a seal, and therefore to start making the vanes push out and begin pumping.

This non pumping also occurs with some other types of vane pumps too so it isn't rare. By design, most manufacturers of equipment try to make it so it can't happen though.
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FollowupID: 814468

Follow Up By: olcoolone - Tuesday, Apr 29, 2014 at 20:43

Tuesday, Apr 29, 2014 at 20:43
There has been a far bit of talk within the trade on the best way to tackle it including pressurising the sump with compressed air.

But the jury is still out.
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FollowupID: 814512

Follow Up By: Stu & "Bob" - Wednesday, Apr 30, 2014 at 07:31

Wednesday, Apr 30, 2014 at 07:31
I don't believe that pressurising the sump will help as there is no difference between having the whole sump pressurised and the whole sump at atmospheric pressure.

One solution would be to fit a non-return valve on the oil pick-up between the screen and the pump so that oil cannot drain out of the pump via the pick up line.
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FollowupID: 814539

Reply By: Alsub - Saturday, May 17, 2014 at 17:54

Saturday, May 17, 2014 at 17:54
Is this problem real, or just the opinion of AutoData?

Have Mazda or Ford made any statement about this potential problem?


Thanks,
Al

AnswerID: 532646

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