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Should I buy a Syncro???
01-22-2012, 07:32 AM
Post: #11
Re: Should I buy a Syncro???
Hi Frans,

i think there is a problem on your buses cooling system, that is why it overheats, i just bought a standad 2.1 engined syncro from a guy in East London, he drove it to bloem yesterday morning and i collected it in bloem and drove it back to pta, it runs great,

we could cruise at 110 all the way home slowed a little on the hills but never less than 80. it was hot at times but the syncro never even got near to overheating.

Maintenance and keeping an eye on stuff like anti freeze is a must on a 2,1 syncro.

They are great, i could never live with out mine.Best thing for long trips and camping holidays.

stuart

I may be a mechanic, but i can't fix stupid
Bad planning on your part does not make your issue an crisis to me
Bad workmanship by other garages does not entiltle you to better rates at me
Syncro, syncro , syncro and more syncro, this is the syncro way of life
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01-22-2012, 09:30 AM
Post: #12
Re: Should I buy a Syncro???
Hi Guys,

The 2.1 Syncro wasserboxer can get hot under the collar at times. I found that they are not really happy when on a hot day travelling in slow traffic. The temp gauge goes up and the fan kicks in quite readily. When off-road going slow the temp gauge also like to hover uncomfortably higher up in the red zone. My solution to this is to run the aircon full bore all the time and the aircon fan helps tremendously in cooling the radiator down with the result that the temp gauge hardly comes up higher than the first white line. It does cost more in fuel but you have to compromise on some things in life. Like Stuart says, the antifreeze mix is vital in the 2.1l and make sure that there are no leaks in the system, the pressure cap on the expansion bottle is in 100% condition and it should be OK. Maybe for the guys in the hotter regions it would be of benefit to investigate going for a modified radiator with at least 4 cores. Some specialist radiator companies build these and it can be pricey but a lot cheaper than a blown motor. Also fitting a bigger custom rad fan like Dean has in the Doka can be of benefit. Hope this helps.

"Allways respect your environment, leave only your tracks and take only your memories"
1989 Syncro Caravelle 2.1 - BosBus
1998 Mercedes Benz C230 Kompressor Sport - PlatKar
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01-22-2012, 05:59 PM
Post: #13
Re: Should I buy a Syncro???
Hi Frans Bosbus, fit an fan over ride switchm that saves running the ac

I may be a mechanic, but i can't fix stupid
Bad planning on your part does not make your issue an crisis to me
Bad workmanship by other garages does not entiltle you to better rates at me
Syncro, syncro , syncro and more syncro, this is the syncro way of life
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01-22-2012, 08:40 PM
Post: #14
Re: Should I buy a Syncro???
syncromad Wrote:Hi Frans Bosbus, fit an fan over ride switchm that saves running the ac

Could you please create a technical post about the details of this modification please?

You have the Bus, use it, enjoy nature!
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01-23-2012, 07:52 AM
Post: #15
Re: Should I buy a Syncro???
Off topic ,but I fitted a over rider toggle switch as well and that helps a lot .As is the gauge goes quite hight before the fan comes on ,so if its a hot day or you crawling ,the overrider switch can prevent the engine from running up to the heat limit before the fan comes on . Then when at speed again the toggle switch is put off so the fan operates normally through the thermo switch.

Miles of smiles ;-)
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01-23-2012, 12:34 PM
Post: #16
Re: Should I buy a Syncro???
Hi Stuart / Clem,

Good idea, will look into fitting the over-ride. Can you or Clem perhaps elaborate on how to switch the fan ?

My quick thought is to maybe just run an additional wire through a toggle switch from a positive on the fusebox or direct from the battery to the positive on the fan, thus not interfering with the wiring through the thermo switch ? Will this work or is there a better way?

Thanks

"Allways respect your environment, leave only your tracks and take only your memories"
1989 Syncro Caravelle 2.1 - BosBus
1998 Mercedes Benz C230 Kompressor Sport - PlatKar
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01-23-2012, 01:52 PM
Post: #17
Re: Should I buy a Syncro???
Frans That will work,

you can also use a two way switch for both speeds, i will get paul to do a diagram of that.

stuart

I may be a mechanic, but i can't fix stupid
Bad planning on your part does not make your issue an crisis to me
Bad workmanship by other garages does not entiltle you to better rates at me
Syncro, syncro , syncro and more syncro, this is the syncro way of life
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01-23-2012, 05:54 PM
Post: #18
Re: Should I buy a Syncro???
The switch is located on the bottom end of the radiator ,facing backwards. It is a normally open switch when cold.When the water in the radiator gets to hot it closes the circuit and that activates the relay that switches the fan on. Al you have to do is to attach a wire on each wire going into the thermo-switch and run it to the inside of you dashboard to a toggle switch , i.o.w when you switch the toggle switch on ,the circuit closes and the fan runs ,toggle off,the thermo switch works normally like before you fitted the toggle switch. You don`t need a extra relay as the system has a a relay in the car`s wiring already.

Miles of smiles ;-)
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01-24-2012, 12:17 PM
Post: #19
Re: Should I buy a Syncro???
Thanks for the info guys, will get around doing sometime soon.

"Allways respect your environment, leave only your tracks and take only your memories"
1989 Syncro Caravelle 2.1 - BosBus
1998 Mercedes Benz C230 Kompressor Sport - PlatKar
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