Diagnostics Are Good! DCCV looks good. Still no heat... Help me out!
Junior Member
Joined: Sep 2010
Posts: 12
Likes: 0
From: acworth ga
Hey guys . I have learned much on Jaguar xk8 so this is what may be problem. Had no heat then replace heater control valve, which may or may not have been bad. Still no heat. Then mechanic said it might be auxillary pump, which is also expensive. It was the problem. Mechanic wanted to put on new one but I told him to take it off I took it to my electrical shop (40 years rebuilds on alternators and stuff that has motors) Had Auxiliary pump rebuilt for $50 and mechanic put it back on and now I have heat So please if you have auxillary pump. Try that . He ruled on CCV
monteroz
1998 jaguar xk8 w arden kit
2008 victory kingpin 8 ball blacked out cycle
monteroz
1998 jaguar xk8 w arden kit
2008 victory kingpin 8 ball blacked out cycle
BugDog...going to back flush my 2003 S 4.2...just to clarify...I am sending water from my garden house through the line at the connection to the radiator overflow and then disconnecting the bottom line closest to the ground to release water and debris. The bottom line is warm while the other two lines are hot...my driver side heat is luke warm and takes 15-20 minutes to produce heat. passenger heats works well. thaskn john
Junior Member
Joined: Sep 2010
Posts: 12
Likes: 0
From: acworth ga
Well it is tone to rebuild aux pump. Think they cost 200 plus or more but I can't remember . If you aux pump is seized dong but new take Yo ant alt/ generator bebuildet and get rebuilt. I can get rebuilt for you or you can ship to Marietta auto electric . Paid on 50 for rebuild. Done know what you will be charged but they do a lot of business w me on vehicles alternator. Inc jag alternator . Call me 404 431 3875
I hesitated bring up the heater aux pump in the search for this problem because the 3.0 does not have the pump but the V8 does. Rebuilding the pump is a little time consuming but can be done. I took my pump apart on my 95 xj6 and it was a matter of just cleaning the pump action. This a link to the pump XJ6 Heater Pump Repair Now I have been told that replacing the brushes on the armature is not difficult. Brushes can be purchased at your local RadioShack but not an exact fit you will need to shave or sand down to fit.
Senior Member
Joined: Dec 2009
Posts: 240
Likes: 7
From: Vancouver, BC Canada
I do have same problem as well. How did you guys repair it? Was it simple "Evaporator Discharge Temperature sensors" failures?
I do have A/C and Heat on Lo and HI, just it doesn't seem to blow right temperature air (usually colder air).
I do have A/C and Heat on Lo and HI, just it doesn't seem to blow right temperature air (usually colder air).
Junior Member
Joined: Dec 2011
Posts: 5
Likes: 1
From: S. I. NY
same problem no heat
Once the engine cooled down, I went back out and plugged in the DCCV electrical socket. Then I started the engine and let it run for a little while.
With the Dash controls set to low temp (<65oF), the two top hoses - pipes- remained cool.
That is the two marked with the yellow arrows. The lower hose was VERY hot. About the same temp as they all were when the electrical connector was disconnected.
So, I am pretty convenced that the DCCV is working correctly. Do you agree?
I crawled under the dash on the passenger side and I located the blower fan. I cannot seem to find the mixer flap/door control.
Any help on that? I searched for pics but only came up with three threads. This one and two others. Please give me some tips! Thanks.
With the Dash controls set to low temp (<65oF), the two top hoses - pipes- remained cool.
That is the two marked with the yellow arrows. The lower hose was VERY hot. About the same temp as they all were when the electrical connector was disconnected.
So, I am pretty convenced that the DCCV is working correctly. Do you agree?
I crawled under the dash on the passenger side and I located the blower fan. I cannot seem to find the mixer flap/door control.
Any help on that? I searched for pics but only came up with three threads. This one and two others. Please give me some tips! Thanks.
DCCV and CCM... Just my experience with my S 2003 JAG 4.2. over a year messing around...replaced the DCCV then finally got mine rebuilt CCM for $250 I think...Everything worked perfect after that. wordman
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