Carole G Wiggins , MS September 10, 2014 Insulation was missing from the underside of the oven pan I was able to obtain the Viking brand insulation through Appliance Parts Pros. Once received, I simply cut it to size, unscrewed the flame spreader from the bottom of the oven pan, inserted it and replaced metal part. Simple. This was just one of many items I've repaired over the years with the help of APP. Read More... Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Screwdrivers