No heat 2000 XK8
#1
No heat 2000 XK8
Have not heat on 2000 XK8
OK this is what I did. It is getting cold in Carolina any help would be great. Following is what I did to get heat.
1.Back flushed the heater core again with home water hose. (60 psi)
2.Started engine with heater valve control power disconnected. This was maintained during all tests.
a.Had flow coming out or hose that leads to the left side of core (when looking from front). Kept water tank full during this task.
b.Connected supply hose to core.
c.Water flow from outlet side of heater core.
3.Check air coming out of air out lets. Air was warm. Kept water tank full during tests.
4.Connected hose to new check valve and hose assembly.
a.Started engine and checked for warm air coming out of vents. No warm air.
b.Checked inlet and outlet tube on heater core both cool no heat.
5.Started engine with return hose from heater core removed.
a.Applied water pressure to return hose with check valve. Water would not enter back into engine. (Question should it?)
Thanks,
Becky
OK this is what I did. It is getting cold in Carolina any help would be great. Following is what I did to get heat.
1.Back flushed the heater core again with home water hose. (60 psi)
2.Started engine with heater valve control power disconnected. This was maintained during all tests.
a.Had flow coming out or hose that leads to the left side of core (when looking from front). Kept water tank full during this task.
b.Connected supply hose to core.
c.Water flow from outlet side of heater core.
3.Check air coming out of air out lets. Air was warm. Kept water tank full during tests.
4.Connected hose to new check valve and hose assembly.
a.Started engine and checked for warm air coming out of vents. No warm air.
b.Checked inlet and outlet tube on heater core both cool no heat.
5.Started engine with return hose from heater core removed.
a.Applied water pressure to return hose with check valve. Water would not enter back into engine. (Question should it?)
Thanks,
Becky
#2
#4
Good suggestion Wayne. There's a single fuse that controls that pump as well. If it's the pump or the fuse, you will get a little bit of heat when driving as there's more coolant flowing through the whole system when the engine is revving. I know, that happened to me a couple of years ago. Easy fix!
#5
No heat on XK8
Here is a another list of what I did.
a. Install new heater pump and it is running. Installed new heater control valve.
b. Removed supply hose to heater core. Had flow coming out or hose that leads to the left side of core (when looking from front). Kept water tank full during this task.
c. Connected hose back to supply side of core.
d. Removed hose from return side of heater core. Water flow from outlet side of heater core.
e. Connected return hose to new check valve and hose assembly going to engine.
f. Started engine and checked for warm air coming out of vents. No warm air.
g. Started engine with return hose from heater core removed. Have full flow and warm air from vents.
h. Applied water pressure to return hose with check valve going to engine.
i. Water would not enter back into engine. (Question should it?)
Becky
a. Install new heater pump and it is running. Installed new heater control valve.
b. Removed supply hose to heater core. Had flow coming out or hose that leads to the left side of core (when looking from front). Kept water tank full during this task.
c. Connected hose back to supply side of core.
d. Removed hose from return side of heater core. Water flow from outlet side of heater core.
e. Connected return hose to new check valve and hose assembly going to engine.
f. Started engine and checked for warm air coming out of vents. No warm air.
g. Started engine with return hose from heater core removed. Have full flow and warm air from vents.
h. Applied water pressure to return hose with check valve going to engine.
i. Water would not enter back into engine. (Question should it?)
Becky
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