Dccv valve question
#1
Dccv valve question
Hi I have a 02 s type sport v8 and am having issues with what I think to be the dccv valve. With ac on low and full blast I'm getting somewhat cold air coming out of the drivers side vents only. The passenger side is blowing normal Luke warm air not hot. With the system on hot on both sides it will work as it should. I assume the dccv valve is the culprit. With Ac on all three of my metal heater hoses going to the core are very hot. Was going to check electrical connecters but being a v8 it is very hard to get to so I'm wondering if I should just go ahead and order the new dccv valve? Thanks
#2
Your symptoms do sound like a faulty DCCV to me, but keep in mind that if your DCCV did indeed fail, it could have taken the CCM (Climate Control Module) out with it. So you may need a new DCCV along with having your CCM circuit board properly re-soldered....
Go to jaguarclimatecontrol.com and do some further research before you start ordering any parts....
Go to jaguarclimatecontrol.com and do some further research before you start ordering any parts....
Last edited by Jon89; 09-06-2015 at 07:12 PM.
#4
Sometimes when the DCCV fails, it causes the CCM circuit board to short out. If you pull the board and inspect it carefully, you can often see the burnt traces that have to be re-soldered. This is a well-known problem with these cars. Again, go to jaguarclimatecontrol.com and read up on it....
#5
#6
I've never heard of a burnt CCM circuit board ruining a new DCCV. Your A/C symptoms just won't be any different until your have your board repaired....
The good folks at jaguarclimatecontrol.com told me years ago that there are two types of DCCVs: Those that have failed, and those that will fail....
The good folks at jaguarclimatecontrol.com told me years ago that there are two types of DCCVs: Those that have failed, and those that will fail....
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Grant Francis (09-06-2015)
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