Teresa A Brownsburg , IN November 07, 2014 Appliance: Whirlpool Washer WTW6600SW2 Whirlpool Washer Wtw6600sw2: Washer had no cold water. How to replace Water Inlet Valve. Checked to make sure the cold water supply was ok then ordered a replacement valve assembly. It took me about 30 minutes to put it in and everything has been fine since. Love your site. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes