AUTO TRANS PROBLEM

**Blknight.aus** · 6th January 2019, 06:52 PM

Originally Posted by Patrick M

Hi Blknight,
Can you explain how to carry out a stall test please?
I have my own idea on how to do it but would like you clarify it for me if you could please.

Start it up, warm it up, pull up the park brake, lock your left foot down on the brakes slip it in drive high range and then mash the noisey pedal.

engine RPMS will hit a peak, hold it for no more than 5 seconds.

let us know what it was.

**Patrick M** · 6th January 2019, 10:24 PM

Ok, I have done the hand brake, freed it all up as I have already said, adjusted it properly, done the prop shafts (not that they would affect this problem to much) checked the AFM and heat sensor, all fine.
So here is the funny bit, I took it for a bit of a test drive this arvo along with the "trouble and strife" and loo and behold she says to me "oh that swoosh, swoosh, swooshing noise has stopped".
Well how was I supposed to know "I'm half deaf".
I'm still not totally convinced that that was the problem so tomorrow I'm taking a trip over to the Auto trans people to have an apprasial done on it.
Actually the trip over there and back again will probably show whether the fuel consumption has improved or not "yeah" it's about a 100Klms round trip.
Good one hey Philip.

**Patrick M** · 7th January 2019, 11:19 AM

Hi All,
Ok I have done the stall test and the result was 1,400 RPM is that good or what?

**Patrick M** · 7th January 2019, 11:25 AM

Is the engine supposed to stop running? if it is then my auto is not in good nick is it?

It just kept running at 1,400 RPM.
Anyway I have to accept that as it is probably the original box!!!!!!

**Blknight.aus** · 7th January 2019, 06:38 PM

no the engine should drop to idle when you take your foot off the throttle.

1400 is low you should be a bit higher than that.

most if your fuel issue is likely to be in the engine tune and timing.

this doesnt discount that the tc lock up is working. if thats not working theres the other half of your problem.

what colour is your trans oil.

**Patrick M** · 7th January 2019, 07:35 PM

Originally Posted by Blknight.aus

no the engine should drop to idle when you take your foot off the throttle.

1400 is low you should be a bit higher than that.

most if your fuel issue is likely to be in the engine tune and timing.

this doesnt discount that the tc lock up is working. if thats not working theres the other half of your problem.

what colour is your trans oil.

Thanks mate.
It certainly rules out a few problems that could be suspected.

**Patrick M** · 13th January 2019, 11:42 PM

Hi all,

I have to thank everyone for their imput to my fuel consumption problem,
today I took the old girl "VILET" for a good run in order to calculate what the fuel consumption returns are, after carring out the checks and adjustments that I have made.

I was pleasently supprised to find that the fuel usage after a 150Klm plus trip has improved enormously from 3.25 (worst possible) to 6.2Klms per litre.
It was the handbrake dragging that caused the problem.
Anyway thanks again for all your help.
Regards:-
Patrick M.

**Mercguy** · 16th January 2019, 05:34 PM

16L/100km is absolutely nothing to scoff at. I've seen double that towing in low range.

**DoubleChevron** · 16th January 2019, 07:00 PM

Originally Posted by Mercguy

16L/100km is absolutely nothing to scoff at. I've seen double that towing in low range.

i get more than double that towing in high range ..................................... (on lpg) .... Think 68litres of lpg and 190kms tops before we are switching over to the liquid stuff.

**Mercguy** · 16th January 2019, 08:44 PM

Originally Posted by DoubleChevron

i get more than double that towing in high range ..................................... (on lpg) .... Think 68litres of lpg and 190kms tops before we are switching over to the liquid stuff.

Best I've had is 20/100 in normal driving. Bearing in mind that the 100 zone is 2km from the driveway and most of the driving in the RRC occurs in 80-110 zones. about ¾ of the total use. So it's not a great "economy" result.

Towing on the freeway will see 28-30 no problem.

But low range is where it will easily eclipse 30/100 without batting an eyelid.

I would have thought your LPG mileage would be a tiny bit better than that at least -

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