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  #1  
Old May 20th, 2011, 07:23 AM
Roverlab
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Trevor Griffiths
85 110, 92 110, 92 RR, 06 LR3
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300TDi A/C

I'm researching the fitment of a/c to a 200TDi 110 and the owner asked a question that I hadn't thought of: Does the engine performance and/or mileage suffer greatly with the a/c on?
Has anybody adapted a 300 a/c system to a 200 and could anyone supply a couple of shots of the compressor mounting?

Thanks!

Trevor
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  #2  
Old May 20th, 2011, 10:27 PM
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Todd Miller
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Very interested in this thread. I have a 200 that needs a/c too.
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  #3  
Old May 21st, 2011, 12:07 AM
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Chris Solis
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i had an ac put on to my 89 110 when i put a 200tdi in it, very happy with it overall. i haven't noticed much difference but to be fair i got it in feb and haven't had to use it much. the truck seems to pull just as well with it running or not and since there is an electric aux fan in front of the ac radiator which is in front of the main rad it seems to run a tad cooler as well. i had an engine without a mounting bracket and Eddie at west coast rovers had one made for me. i will try to take some pics this weekend. basically the compressor sits on the passenger side of the engine up high and required a 3 groove pulley off the engine (which took forever to get from wherever it came from). All in all it's been great though.
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  #4  
Old May 21st, 2011, 02:15 AM
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Neill Thornton
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I have A/C on my 300 Tdi, and you can definitely tell when it's on. Not bad when cruising, but when its time to go up a hill I would switch it off. Don't know about mileage.
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  #5  
Old May 21st, 2011, 06:41 AM
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Trevor Griffiths
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Thanks for the quick replies! Chris, I'm looking forward to the pix.
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  #6  
Old May 21st, 2011, 07:30 AM
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Ken Jackson
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I was told by someone in the UK who has done a few 300 TDI conversions with AC that the 200/300 kits will not interchange.
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  #7  
Old May 21st, 2011, 10:13 AM
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Todd Miller
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Chris what a/c system are you using, the 300 tdi kit or v8 or some combination? Or is it 100% custom? I called several a/c shops around ATL and all said they cant't do a LR.
Ironically I spoke to one shop and the guy claimed they could put a/c on a bicyle if I wanted to, he then passed my call to the parts manager who asked what car I needed a/c for, when I said LR defender he said Oh we can't do a/c for that! I thought you could put a/c on a bike? yes, but not a LR! He wouldn't even entertain taking a look at it to see if he could do something custom said there was no kit for it. sh*t if there was a kit I wouldn't need his dumb ass!
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  #8  
Old May 21st, 2011, 10:25 AM
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Tony Sims
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Putting a compressor on either engine is accomplished with simple brackets and you can order the idler/tensioner pulleys from the UK. Putting A/C on a 200 or 300TDi Defender would be a straightforward job. I can't imagine a qualified shop saying otherwise.

Also take a look at the offerings from Vintage Air, their kits get A/C into some very tight confines on hot rods.
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  #9  
Old May 21st, 2011, 03:25 PM
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Julien Dalbin
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Quote:
Originally Posted by navydevildoc View Post
I have A/C on my 300 Tdi, and you can definitely tell when it's on. Not bad when cruising, but when its time to go up a hill I would switch it off. Don't know about mileage.
same here.
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  #10  
Old May 21st, 2011, 10:38 PM
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Chris Solis
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if i remember right it was from a v8 rover and the guys at west coast rover worked it out to fit my tdi, it is a rover a/c from a defender so everything looks stock in the cab, it will cut down on leg room for the front passenger, look at rovers north's website for the a/c kit they sell there as the vents etc are the same
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  #11  
Old May 22nd, 2011, 08:22 AM
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Quote:
Originally Posted by navydevildoc View Post
I have A/C on my 300 Tdi, and you can definitely tell when it's on. Not bad when cruising, but when its time to go up a hill I would switch it off. Don't know about mileage.
Neil, did your motor have an a/c system with it or was it added? I was wondering how the high idle is set up on the mechanical Tdi system. Is there a solonoid ?
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  #12  
Old May 22nd, 2011, 09:31 PM
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biggest question to ask before we answer is it a disco 200 or defender 200?
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  #13  
Old May 23rd, 2011, 04:43 PM
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Chris Solis
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pics of ac compressor won't load

So i've tried for day now and i can't post the pics something about a missing security token?? any ideas
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  #14  
Old May 23rd, 2011, 04:47 PM
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Try clearing out all of your cookies from your brower, logging out, logging back in. Then if you have any problems, follow this.

http://www.defendersource.com/forum/...ad.php?t=29712

Not sure what the token thing is, but I've had it once or twice and others have had it as well.
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  #15  
Old May 23rd, 2011, 06:32 PM
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The 300 kit has the compressor sitting on top of the timing belt chest with a bracket that bolts down to it with four bolts. The bolts screw right down into the chest. The inspection cover is removed from the timing belt chest and a new one is fitted with the tensioner. I do not believe that mine has anything connected to get a higher idle when it is on.
The motor does know when the A/C is on and it slightly effects the diesel mileage.
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  #16  
Old May 24th, 2011, 12:36 AM
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Michael White
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Quote:
Originally Posted by MC22958 View Post
The motor does know when the A/C is on and it slightly effects the diesel mileage.
Unfortunately, the reverse isn't true - the A/C does not know when the motor is running. So if you kill your engine with the A/C on, you have to shut off the A/C or you won't be able to start your engine. Three guess as to how I found out, and the first two don't count
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  #17  
Old May 24th, 2011, 12:39 AM
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Neill Thornton
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Do you mean because the battery dies, or because the engine can't start with the load of the compressor?
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  #18  
Old May 24th, 2011, 08:57 AM
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How does the motor know the compressor is on and what makes it compensate for the increased load?
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  #19  
Old May 24th, 2011, 10:29 AM
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Michael White
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Quote:
Originally Posted by navydevildoc View Post
Do you mean because the battery dies, or because the engine can't start with the load of the compressor?
Because the engine can't start with the load of the compressor.
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  #20  
Old May 24th, 2011, 11:21 AM
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Tony Sims
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Quote:
Originally Posted by kevkon View Post
How does the motor know the compressor is on and what makes it compensate for the increased load?
On fuel injected petrol engines, there's usually a signal sent to the ECU. On a mechanical pump diesel, maybe use a solenoid that would push the pump bellcrank up off the idle stop a hair?
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[appropriated from Ren Ching] Most faults can usually be traced to the badge on the grill.
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This is straight out of the Manual for Build Builders.
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1984 110 "Smokey" (sold)
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