Twine on a Defender Tdi

Submitted: Sunday, Jun 06, 2004 at 21:00
ThreadID: 13517 Views:1306 Replies:11 FollowUps:2
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Hi, we have just installed a Twine on the Defender, and we find it is not heating the water as good as expected. We ran the car for 45 mins and got about 10 degrees increase. We ran a search, you guys all seem to be impressed with the Twines performance, so we reckon the problem is on our end. Can anyone tell me if you have to connect/reconnect the heater hoses every time you use it or leave connected permanently? Thanks, Darren.
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Reply By: AT4WD ADVENTURES - Sunday, Jun 06, 2004 at 22:41

Sunday, Jun 06, 2004 at 22:41
Darren,

Some things to check.....

Deisels sometimes run alot cooler than petrol in the heater water circuit...check temp of heater water after 45min run time.

Check heater controls on dash maybe position of controls has a bearing on temp and diversion of water in relation to where you placed the twine in the heating water circuit.

Stuart

AnswerID: 62007

Reply By: Baz (NSW) - Monday, Jun 07, 2004 at 08:17

Monday, Jun 07, 2004 at 08:17
Check the direction of the water flow for the heater water and the shower, i don't know about the Twine, i have a helton and i connected the shower up the wrong way round, also some newer cars need to have the motor reving a little higher.

Hope this helps,

Baz.
Ps, the speed of the flow makes a difference too.
AnswerID: 62017

Follow Up By: Baz (NSW) - Monday, Jun 07, 2004 at 08:30

Monday, Jun 07, 2004 at 08:30
Leave connected permanent.
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FollowupID: 323407

Reply By: Michael - Monday, Jun 07, 2004 at 08:28

Monday, Jun 07, 2004 at 08:28
Hi Darren, If you have the exchange in the heater circuit, check the tap is turned to hot (on your dash), as previous replies above and you may need around 1500 rpm, failing everything ring John from Twine, he has mentioned on this forum b4 that he can supply a longer unit (about 65mm longer) which would be better , assuming you have the room. You need minimum 45 degrees or hotter if you have no shower enclosure and a wind chill factor. Forgot to mention, you may have to reduce your flow from your shower head to achieve the required temp, possibly down to 3 litres per minute.. Hope i have been of some help Best regards Michael
AnswerID: 62019

Follow Up By: Michael - Monday, Jun 07, 2004 at 08:36

Monday, Jun 07, 2004 at 08:36
Forgot to mention, did you drive the vehicle and retop the coolant, it may have had an air lock in the system .. Michael
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FollowupID: 323408

Reply By: madcow - Monday, Jun 07, 2004 at 08:52

Monday, Jun 07, 2004 at 08:52
I had the same problem with my 4.2 GU. It is critical that it is bled correctly. I fitted the longer exchanger and it made a difference, not much but it all adds up. A mate has one on an 80 series and it is hot off idle but I need to run it at 1200 rpm and that is pulling water from the King river which is brass monkey stuff. Give John a ring and He will gladly assist in fixing your problem as he did with me. It does make a difference slowing the flow down a bit.

Cheers
AnswerID: 62021

Reply By: cokeaddict - Monday, Jun 07, 2004 at 09:15

Monday, Jun 07, 2004 at 09:15
Hi Darren,
I had the same problem with mine, just wasnt getting hot enough in winter. Problem fixed though with a simple cover over the front of the grill, reduced air flow through radiator while sitting around 1000 rpm, and on cold winter nights, i would slide a piece of cardboard down infront of the radiator, that got the old girl steaming. Now i enjoy hot showers every time....and i didnt even have to istall a rheem !!!
Regards....clean Angelo :-)
AnswerID: 62028

Reply By: Member - Landie - Monday, Jun 07, 2004 at 09:42

Monday, Jun 07, 2004 at 09:42
Hi

We have a TD5 with a Twine, we need to run at about 1500 rpm, works fine.

Cheers
AnswerID: 62031

Reply By: flappan - Monday, Jun 07, 2004 at 15:06

Monday, Jun 07, 2004 at 15:06
Another issue I had was the pump was too good. Pumped the water thru to quickly . . . didn't get hot enough.

I'm going to reinstall mine on a seperate circuit with its own tap.
AnswerID: 62071

Reply By: Mark (Geelong) - Monday, Jun 07, 2004 at 16:02

Monday, Jun 07, 2004 at 16:02
I had similar problem with pirahna unit
Couldn't work it out and had pirahna scratching their heads
As previously mentioned either had an air lock or coolant level was too low
If exchanger is fitted higher than radiator tank make sure coolant level is full
Now works fine after topping radiator up

Happy showering
Mark (Geelong)

Member
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AnswerID: 62079

Reply By: Member -Bob & Lex (Sydney) - Monday, Jun 07, 2004 at 17:11

Monday, Jun 07, 2004 at 17:11
I found in winter I had to recirculate the water in the bucket for a couple of minutes to get it really hot for Lex, me I don't care to much.
AnswerID: 62091

Reply By: Member - Darren C (QLD) - Monday, Jun 07, 2004 at 21:37

Monday, Jun 07, 2004 at 21:37
Thanks guys, we drove the car around today and the hoses heated up quite a bit, maybe showers will be best after a drive rather than from a cold motor set at idle. Thanks for helping, will keep trying and post what we find. Thanks, Darren.
AnswerID: 62155

Reply By: Michael - Wednesday, Jun 09, 2004 at 12:04

Wednesday, Jun 09, 2004 at 12:04
Hi Darren, As a matter of interest, how long is the barrel of the standard Twine unit, not including the fittings, The Helton unit is only 170mm long plus the fittings hanging out the end. On their respective web sites the Twine looks much longer in the photos but no length mentioned. Michael
AnswerID: 62406

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