How do i fault find Hyundai excel heater fan problem?

My 91' Lexus LS400 has a antifreeze leak that seems to be leaking from the cover located behind the crank pulley This cover has a small square hole in the bottom of it that was made that way? Does a 1996 Honda accord have a timing chain or belt? What kind of oil do you use in your Hyundai elantra? Can rdz4h replace rdz19h? Where is the transmission filter on a 2000 Toyota Sienna? How do you program garage door opener in the 2013 Toyota Avalon? What is the adjusTment of valvE tappet clearance isuzu 8pc1-2? How do you disable drl on 2010 outlander? How do you change spark plugs in 99 Camry V6 without removing manifold? After installing a fuel filter in a 1997 Mazda 626 LX what is the procedure for starting the car if it cranks but sounds as if it is not getting fuel? How do you change the rear wiper on 2004-2006 Lexus RX330? How do you reset the check engine light on a 2003 Toyota Echo? How do you change the driver side mirror on a 2007 Mitsubishi Galant? Where is the cyp sensor on a 98 civic dx? Will my tire fall off on my 2001 Nissan Sentra if I need a wheel bearing replaced? A narrow piece of land extending into a body of water and connecting two larger land masses? What could cause a 91 3000gt sl to at speeds 50 or below sputter and buck while trying to maintain steady speed and at idle for a long while die unless gas is applied and fuel pump has been replaced? What is relative throttle position? Door key stuck in ignition of Lexus gs 400? Where is the fuel pump relay on a 95 mirage?