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Old 14 Jun 2013, 08:20 am
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Default I have a 1993 Acura Legend ,keeps running hot I change the thermostat and water pump keeps smoking..

...side engine? the car will run for 15 minutes then run hot, it smokess from the back right side of the engine. but if you just leftleft the car idle it won't run hot only when you move itit. can someone help me . I don't want to get ripped off at the mechanic.
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Old 14 Jun 2013, 08:31 am
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try replacing the head gasket...if the engine is smoking, you've already damaged the valves...
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Old 14 Jun 2013, 08:48 am
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It would seem that you have the INFAMOUS "Seeping Head Gasket"!! This problem is EXXXTREMELY common amongst 2nd Generation(1991-1995) Legends. I have been a Dedicated Legend Fan for more than 2 decades! I drove my first Legend in 1991 as a kid before I had a license...and I still have one to this day! It TOO needs a new head-gasket :-(

When the car is at idle speed, all remains normal...but as engine speeds increase, gases seep past the head gasket and into the cooling system. This increase in pressure forces the coolant out into the Overflow bottle...and these gas bubbles cause the coolant to Foam. The resulting low-level of coolant, and also the fact that the foamy-coolant doesn't transfer heat as efficiently leads to the Overheating...and as Overheating is what Traditionally causes blown head gaskets, it can quickly snowball into a catastrophic head-gasket failure.

If you stop periodically before the engine overheats, you can remove the radiator cap(a cap with the pressure-release lever helps ALOT) and pour the coolant back into the radiator(the overflow bottle lifts right out if you wiggle it as you pull) and continue driving until it is time to do it again. Cutting the springs on the thermostat also helps to prolong driving with the seeping head-gasket.

If you choose to replace the head-gaskets(which is somewhat expensive), ALSO CLEAN OR DISABLE THE EGR SYSTEM, as THIS is the cause of the failures, and will Eventually cause the new gaskets to fail also.



BEWARE simply installing a USED engine from a Legend(engine C32A1), as MOST of these will come pre-equipped with bad head-gaskets!!! A rebuilt engine is OK...and if you follow the forum link above, you will see that Many people opt to swap-in an engine from the 1996-2004 3.5RL(engine C35A1)...it has a bit more power and has a "baffle" built-into the EGR system to prevent its clogging and the resultant Head Gasket Issues! It is NOT a Direct swap however, but it is relatively simple for a mechanic to do. Details are at that forum site, as well as the sites below:

http://hondaswap.com/nsx-tsx-rl-tl-c...legend-111392/

http://www.acura-legend.com/vbulleti...rmation-92577/



I Personally am CONSIDERING switching away from the Acura Legend to a different car model...I'm thinking of perhaps a 2001-2003 Acura TL type-S(be aware that THESE are known for their early transmission failures...but perhaps it is simpler/cheaper to replace the Trans than the Head-gaskets or Engine I'm thinkin'???) or maybe a 2004+ Acura TL.

If you have relatively low-miles, or if you have a lot of new parts already on your Legend, I'd say stick with the Legend!!! Its bigger and better than the TL, and its faster and handles better than the 1996-2004 RL!!

Good Luck to you
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