How Many Of You Have Been Cought Out ??

Submitted: Wednesday, Mar 25, 2009 at 22:55
ThreadID: 67206 Views:3455 Replies:7 FollowUps:15
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Just filled up LPG in Prado and managed to get 68 Litres into a 59 Litre usable tank ??? Have some paperwork to fill out and lodge with them tomorrow. Was wondering how many of you have ever had this issue before. I always fill up when possible at night time when its cooler as you get more in the tank and often like today will run it on LPG till it loses power due to running out and flick to petrol so nothing in what I generally do has changed. Still doesnt explain whats happened and she told me the pumps were only recently callibrated ?????? WHG
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Reply By: Dave(NSW) - Wednesday, Mar 25, 2009 at 23:31

Wednesday, Mar 25, 2009 at 23:31
Wherehegon'
Some times the cut out valve on your tank, which is to stop you from filling it to 100% sticks and you will get a bit more in than usual.
Cheers Dave...
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AnswerID: 356217

Follow Up By: Pyro 1 - Thursday, Mar 26, 2009 at 06:37

Thursday, Mar 26, 2009 at 06:37
Wherehegon,
yep agreee with Dave, your cut out is on a float valve which can get stuck at the top, my bet is that you will get more km's than usual out of that tank full(about 11L worth). Lpg is one of the only fuels sold that is actually temperature and density regulated.
Cheers
Graeme
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Follow Up By: Wherehegon - Thursday, Mar 26, 2009 at 16:57

Thursday, Mar 26, 2009 at 16:57
Thanks guys, makes sense then. I think for memory the tank size is around the 68 litre mark... Lets hope the pressure relief valve works if needed if it happens again. I did notice that by the time it was just about full the bowser had slowed down to a trickle then come up saying "no flow" so sounds like there was not enough pressure to make the cut off valve work........WHG
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Reply By: Ace000 - Thursday, Mar 26, 2009 at 07:01

Thursday, Mar 26, 2009 at 07:01
I have had the same experience a couple of times. I put it down to the "sticking float" theory. It only seems to occur after I have completely emptied the tanks and yes I do get the extra km's. We are so used to dealing with specifics with fuel that the variances in properties of LPG cause glitches in our well organised though processes.
AnswerID: 356235

Follow Up By: Wherehegon - Thursday, Mar 26, 2009 at 17:04

Thursday, Mar 26, 2009 at 17:04
Sounds like that was the issue Ace going by yours and the other replys. Thankyou........WHG
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FollowupID: 624366

Reply By: Ace000 - Thursday, Mar 26, 2009 at 07:03

Thursday, Mar 26, 2009 at 07:03
whoops..too early...should be thought processes of course...
AnswerID: 356236

Reply By: PradOz - Thursday, Mar 26, 2009 at 09:53

Thursday, Mar 26, 2009 at 09:53
yep i have had similar except my tank has usable capacity 74L

one thing i do notice is if i fill up at an independant cheapo servo in liverpool where all the taxis go, i get much more kms out of each tank. this happens each time i use his lpg and it is usually cheaper by 5 to 10 cents also than the discounted prices elsewhere. if i use other lpg eg: caltex/woolworths or shell/coles i dont get those extra kms. also i am very happy with the power/performance when using the cheapo lpg. just wish i was driving past regularly like i used to. now only get it if in that area when i need it

not sure how or why that happens. not wanting to start a debate like happened back a few years back b4 ethanol in petrol became more excepted, but i have heard some servos do put some sort of additive in their lpg - not sure how/why/what
AnswerID: 356279

Follow Up By: Chicken Eater - Thursday, Mar 26, 2009 at 15:40

Thursday, Mar 26, 2009 at 15:40
I've also experienced this at different servos.
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Follow Up By: Wherehegon - Thursday, Mar 26, 2009 at 17:03

Thursday, Mar 26, 2009 at 17:03
Hi there PradOz, Im spewing that my tank is so small, They told me I couldnt get any bigger tank as they use to supply bigger tanks but people were complaining about too much reduced ground clearance so this was the standard size for the prado. I have also been told that when the bottle is mounted under the rear that when they are bigger tanks its the width thats the difference (between chssis rails) not the depth so ground clearance would be no different to what I have now ??? Dont know how true this is as I have not been able to check the ground clearance on another prado. If they do have the bigger tanks then they dont have the 2 inch lift I have so is very hard to determine the clearance difference. Having your tank size would give me another 100k range........WHG
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FollowupID: 624365

Follow Up By: Mick - Tuesday, Mar 31, 2009 at 17:27

Tuesday, Mar 31, 2009 at 17:27
All I can say is I'm glad I have diesel!! And Prad you say Eth is accepted!!!! Not by me!!!! My MC hates it ....
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Reply By: slammin - Thursday, Mar 26, 2009 at 12:43

Thursday, Mar 26, 2009 at 12:43
When I was a studenty I worked at servo's.

Agree with others above as the float valve is a mechanical shutoff (same as the old ones in your dunny cistern) they can get "stuck".

Also they can be tricked. I have often seen cabbies and travellers play with the pump dispenser trigger so that it is only just open. They can then trickle in extra LPG. I warned against this as safety equipment is there for a reason derrr. The cabbies would try to justify it by saying the worst that can happen is that the pressure relief valve will just open up and that they are driving straight away anyway so will soon be below the stated or set max fill level.

A mechanic told me if the car was overfilled at night and then left during the heat of the day in the sun the tank could indeed create enough pressure to release the overfill down to a safer pressure.
AnswerID: 356313

Follow Up By: Wherehegon - Thursday, Mar 26, 2009 at 16:54

Thursday, Mar 26, 2009 at 16:54
Hi there slammin, I noticed when I was filling up that by the end of it the meter was only just ticking over then come up on the screen of the bowser "no flow". Didnt realize this affected the cut off. I hope the cabbies are write in that there is a pressure relief valve ?? I presume this would be on all LPG tanks fitted. Mine is only 8 months old. Thanks for that. Soundslike there was no issues with the amount of LPG delivered...WHG
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Follow Up By: slammin - Thursday, Mar 26, 2009 at 18:03

Thursday, Mar 26, 2009 at 18:03
The pressure relief valve is on every system since day dot. I've only ever seen or heard of it kicking in once.

It was kinda interesting as it was in '92 in an old XE and the tank was fitted in the back of the station wagon. The guy had let it fill up on it's own with the lid holding the trigger, he stood there daydreaming and didn't notice the overfill. Anyway he paid and when he went to drive away noticed LPG smell in the car. He checked the boot and the relief valve was doing it's job alright and the vapour coming out a thick white colour. We pushed the car far away from any possible ignition points and opened all doors and boot. It took about 1.5hrs to stop relieving itself, as it was bleep out. Pun intended ; )
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Follow Up By: slammin - Thursday, Mar 26, 2009 at 18:11

Thursday, Mar 26, 2009 at 18:11
Censoring pi $ $ ing is a bit much!
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Reply By: PeterInSa - Thursday, Mar 26, 2009 at 13:35

Thursday, Mar 26, 2009 at 13:35
Re using LPG until running out of power, I always fill up when the red light shows as am worried that I could run out of LPG when turning a RH corner well in front of oncoming traffic and the engine dies due to lack of LPG.

Then have to switch over at the same time as cornering, worse still if the wife is driving. (with the possibility of not a good petrol start.) Have once driven 33 km after the red light came on.

Peter
AnswerID: 356325

Follow Up By: Rolly - Thursday, Mar 26, 2009 at 14:23

Thursday, Mar 26, 2009 at 14:23
I have recently taken to refilling the 97lt tank in my old LC as soon as the red light shows on the 'gauge'.
The refill never amounts to more than 65lt which means that there's at least 32lt of fuel remaining.
The tank, being mounted inside the rear of the wagon, gives a quite audible hissing noise when close to exhausted. Only about 10km left at that point.
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FollowupID: 624328

Follow Up By: Wherehegon - Thursday, Mar 26, 2009 at 17:12

Thursday, Mar 26, 2009 at 17:12
Hi Peter, I get what your saying in regards to safety. I will only run it out if Im say on the freeway/highway and cruising in the left lane. If its on the red and Im darting in and out around local traffic or if wifes driving then I switch it to petrol so I/wife dont have any issues happen you have mentioned. I have been lucky when switching over as the motor continues to run and doesnt stall between changing from LPG to petrol and I dont have the foot on the accelerator so I dont get any back firing. Very happy with the system but with the small tank has been an issue with long distance touring. I was told I couldnt get any bigger tank but reading PradOz reply above this obviously isnt the case. This is my main reason for selling it as I have lost too much range. Was thinking of putting the petrol tank back in but am going to go diesel.Thankyou......WHG
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FollowupID: 624372

Follow Up By: PeterInSa - Friday, Mar 27, 2009 at 16:35

Friday, Mar 27, 2009 at 16:35
Wherehegon,
As a TD Cruiser owner for the last 20 odd years towing a big van and prior to that had a Statesmen 5Lt on Petrol/Gas for umpteen years towing a big van, if I were you I would think seriously about going to Diesel for Financial reasons.

My understanding is that if you do a lot more Kms running around town compared to towing the van on trips, Petrol/Gas its a better financial option even down to a 50/50 relationship. (less to buy as well) Probably some of us baby boomers got into TD's because that's what real men do. Like in the 70's real men did not mention that they used under arm deodorant.

Another reason why I bought a TD was to be able to drive thru aboriginal lands, where petrol was a no go. I never done this and do not look like doing so. Probably the other reason was that in the outback especially in mining towns in WA its a lot easier to get a diesel Cruiser fixed than anything else. Touch wood ours has never needed help.

A mate did the sums and went for an older 4.2 Petrol Trol and put it on gas.

Peter
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FollowupID: 624645

Follow Up By: Wherehegon - Friday, Mar 27, 2009 at 17:45

Friday, Mar 27, 2009 at 17:45
Hi Peter, after reading another reply I rang around today and found I can get 174L petrol tank to replace the rear tank which currently has the gas tank in its place. This will give me a total of 243L on board so would be enough to get me any where I need to go. Had a look at 3 prado's today all turbo diesel (same shape as mine 95 series) (earlier shape) and geez some people knock there cars around and funny thing was none of them had seen off road. More hits then Elvis Presley, trim torn inside, filthy seats, carpets etc and I thought man mine is in excellent condition and has been off road, beach,mud etc. With what it would cost me to update to diesel I can fit the big tank, lockers front and back, snorkel and buy myself another camper trailer. Yes it will cost me more in fuel being petrol but will get myself another set of rims, run road tyres around town and change over to muddies when I know Im going off road. Mine has 183 thousand k on it now but should be good for another couple I think ??. Another thing I dont like about the gas tank is I cant fill the reserve when I know the weather will be hot (when is it cool outback) as when the fuel expands it comes back up the filler nozzel, accross over to the main filler nozel then drips down under vehicle, to me extremely dangerous but this is how all the prado's running around on LPG are set up ?? I had petrol dripping on my garage floor previously due to this so now only fill it half full unless I know Im going to use the fuel. I have pulled my add from the net and will make my mind up 100% over the weekend to what my wife and I will do, but after doing some homework over the last couple of weeks Im leaning towards keeping mine, and I wont have to worry about scratching it like I would if I went and spent $30g's plus. Thanks for your time.........WHG
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FollowupID: 624662

Follow Up By: Member - Graham H (QLD) - Friday, Mar 27, 2009 at 18:09

Friday, Mar 27, 2009 at 18:09
When running Taxis in NZ we used to remove the shutoff valve and bend the float arm to fill it right up.

HOWEVER we only filled it up at THE START OF A SHIFT so that it would soon drop down to a safer level.

Yes I know its illegal but how many 4wd are the same??????

In New Zealand when you fit an under body rear mounted tank it must be small enough that it doesnt drop below a line from under the rear wheels in a straight line up to the lowest part of the rear bumper.

Seems to be different here from what i have seen hanging under some vehicles.



Cheers
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FollowupID: 624669

Follow Up By: Madfisher - Saturday, Mar 28, 2009 at 19:10

Saturday, Mar 28, 2009 at 19:10
Sounds good WHG,
I was cleaning one of the Td 120 today at work, when the boss mentioned he was going to sell this one. How much? O about high 40s. I then had a good look at it and found scratches everywhere and the windscreen is all pitted. This 12 month old Prado had more hits then our 16 year old Paj. No way could you compare it to our 03 Nullarbor. As much as I like Prados they seem to get a harder life then Pajs and Jacks, and finding a good one especially a td is very hard.
Cheers Pete
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FollowupID: 624835

Reply By: Member - Carl S (VIC) - Monday, Mar 30, 2009 at 10:41

Monday, Mar 30, 2009 at 10:41
What year and model Prado do you have?
AnswerID: 357013

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