Roadracer Al Posted August 14, 2010 Report Share Posted August 14, 2010 My heater control valve is stuck, and has started twisting the little D-shaped key that moves the valve. Unfortunately, it's stuck open, so my truck gets too hot. Anyone have a functional heater control valve they'd like to get rid of? Thanks! Quote Link to comment
datzenmike Posted August 14, 2010 Report Share Posted August 14, 2010 Since you have to remove it to change it anyway you might try fixing it if you can't find one. Here's what to expect when repairing one from a 510. The 620 is likely very similar just the linkage and mounting slightly altered. Don't be put off by the name this is what the valve is called. cock repair Quote Link to comment
Roadracer Al Posted August 16, 2010 Author Report Share Posted August 16, 2010 Thanks for the info, Mike! You're such an amazing resource. Quote Link to comment
datzenmike Posted August 16, 2010 Report Share Posted August 16, 2010 Ah, you're too kind. I'm sure it's been on here before I just remembered where to find it. Quote Link to comment
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