HiHoSilver

I have a 99 GS300 that had a similiar problem... Turns out the evaporator case had a small pinhole leak, I had a mechanic friend of mine take the dash apart, remove evap box and reseal. Lexus will NOT REPLACE the evap box alone, they want you to buy the whole assembly @ $1600 dollars plus another $1000 for labor. Imagine, spending 25% of the book value of your car to fix it- LOL. Good luck with you vehicle.

\Brian, I am fully aware that the entire dash needs to come apart... I was supposed to just get a new evap box for around $390 or so, the remaing monies would of been to take the dash apart. My brother handles the mechanics computer operating system, thus the cheap labor quote. Now I find out that you cannot buy the box alone, you need to buy the whole entire assembly which is $1600. The dash was taken apart yesterday, the evap box has been taken out (pinhole leak at the bottom of the evap box right at the seam), been dismantled, resealed at the seams, sealant applied to the bottom of the evap box for extra precaution and is now in the process of drying. Tomorrow the box will be filled and left through the weekend to see if there are any leaks. I love my 99 GS and it looks beautiful as it has been garaged kept for most of its life but I cannot justify a $2500 fix for a car that's probably worth only $10,000 or so. I realize cars are depreciating assets and spending money to properly maintain them is a must but spending 25% of the value of the car doesn't make sense to me. I think I could think of better ways to *BLEEP* my money away, besides the mechanic at Bay Ridge Lexus (& Queens) had told me to seal it as well and not to replace the entire assembly. If the leak comes back again, I'll just have to sell her and upgrade. If I'm going to *BLEEP* money away, I might as well get a better/newer car.

Hello, I have a 99 GS300 (92K miles) and a few days ago I noticed moisture/wetness under the driver's side floor mat. I seem to think that it is air conditioning related as the moisture seems to increase after driving with the a/c on and the water smells a little musty as well. I've been drying it out the last couple of days by blasting the heat which seems to work but I don't want to keep doing this as fuel prices are so high. If there's anyone out there who's had the same problem or knows what I should do, please pass along the information as it would be most appreciated. Thanks, Al

Hello, I have a 99 GS300 and I noticed the same exact problem the other day. Any suggestions ? Thank you, Al

i had the same issue and this is also what i was advised to do and it fixed it as well. I'm having the same issue EXCEPT the car did get hot almost to the red H- I just bought the car (used) and im not sure if its related, How Do you know when the air is purged out? Maybe you're justy niling...