Loosing water I think. - Alfa Romeo Forum
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(Post Link) post #1 of 8 Old 02-04-11 Thread Starter
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Loosing water I think.

I've had my 156 jtd several years now and have noticed that it uses a small amount of water. Probably a quarter of a cupful every 500 miles or so if that. It usually gies from max to half way between max and min. I have never been able to find the leak or think it's particular serious as is been the same since I bought the car at 89k (now 154k). The car doesn't overheat and has never left a drip. The carpets are dry so I guess the heater matrix is ok although this is my only possible thought as I've changed the cambelt on the car twice and waterpumps have always been dry with no marks. Anyone else have a similar usage out of their jtd?

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It's probably a corroded rad .. they go between rad and a/c condenser and you get small pin holes. Not enough to show leakage but escapes under pressure when hot. Life of a 156 rad is 6-7 years ...

Looking at mine when the bumper was off I'm coming up to another replacement soon. First one replaced late 2003 ...
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(Post Link) post #3 of 8 Old 03-04-11 Thread Starter
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Hmm I'll have a look then although when I was fitting th FMIC last summer and had the while front off I can't say it looked very bad. Cheers or the info. I'll whip it off and have a closer look. Presume it'll be rusty as buggery
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Mine was like that when I got it. Turned out the sensor in the heater pipes was loose! (the pair that run beind the engine - it's a green one IIRC)

I'd guess that would be an unlikely one though - rad is more of a possibility.
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(Post Link) post #5 of 8 Old 04-04-11 Thread Starter
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I'll take all the suggestions. Which pipe. the onexs into the bulkhead?
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yeah they're the ones. tbh i'm not entirely sure what the sensor is for!

You'll find it down below the EGR valve and a little bit awkward to get at.

Like I say its a long shot and mine could well have been loose after Alfa's "finest" had been prodding around at it when I sent it in under warranty for low temp gauge readings just after buying it. Alternatively it COULD have worked loose if not tightened properly at the factory I suppose?
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(Post Link) post #7 of 8 Old 04-04-11 Thread Starter
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Interesting as my guage has always read a little low evwn after changing the stat so could be the issue my friend
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I've had two replacement stats (did it myself in the end - improved) and a new temperature gauge. Best reading I can get is 75-78 ish once warmed up. Fiat ECU Scan and Android "Torque" both declare around 87/88 so I'm happy it's OK...just one of those Alfa things that make us love 'em so....
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