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Old 06-02-13, 04:20 PM   #1 (permalink)
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Join Date: Mar 2010
Location: San Diego
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Car 1: 1992 Acura Legend

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Coolant Boil Over

Hi All,

Issues similar to mine seem to be posted all over this forum, but I haven't seen one with exactly my symptoms - so I do apologize in advance if I'm duplicating another thread.

I've got a 92 Legend that is boiling coolant over into the overflow with so much force that it boils up and out of the reservoir/tank. It only seems to happen when the car is shut off - and only every so often without any relation to type or length of driving.

Temp gauge is normal.. I refilled and bled the system about a week ago, and all seemed ok until a day or so ago, when it did it again.

The thermostat was changed about a year ago. BHG repair was done about 2 years ago.

I'm going to swap out the radiator cap in hopes it's the issue.

Does anyone have any other ideas as to what the issue might be?

Thanks in advance

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Old 06-02-13, 04:25 PM   #2 (permalink)
Join Date: Apr 2006
Location: 10-A-KEY
Posts: 10,147

Car 1: 91 Alpha/Alpha Touring KA7
Car 2: 92 Alpha/ AlphaT KA8
Car 3: 91L,93LS,94LS KA7's

iTrader Score: 39 reviews
your water pump is going out while your at it replace timing belt and idler pulley.

Yes im back! Alpha/AlphaTouring!
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Good to meet you too Willie. I tell ya, when we were walking the Auto-X course and you guys started pulling in, I had no idea who it was until I saw the green machine and we're all like "ooohhhh, that's Willie and the Acuraholicks!"

Glad you guys made it out, and nice meeting all of you.
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Old 06-03-13, 03:45 PM   #3 (permalink)
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Car 1: 1992 KA7 - 5 SPD - BLK/TAN, Frost White

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I have a brand new water pump and timing belt kit, still in box.

If interested pm, cheapest you can find new.
WTB - Fender Bras, Telion Chip, Short Shifter
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Old 06-04-13, 11:11 PM   #4 (permalink)
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Car 1: 94 acura legend ls

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I'm confused, a failing water pump would cause poor/no circulation of coolant. Which would cause over heating. Are you sure your temp gauge and fans are working properly?

When the thermostat was changed did you use a Acura/Honda thermostat? I would have a pressure test done on the cap and the cooling system.
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Old 06-22-16, 01:03 AM   #5 (permalink)
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Car 1: Acura legend 1994 LS

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I have a 1994 Acura legend Type II LS can I put a JDM type I ? Is it plug and play any help is greatly appreciated ! ?????
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