Question about Land Rover Cars & Trucks
Check the fuses first, swap relays. If that doesn't work. Takes a scanner to see what is not working. If the PCM is getting the signal, then look to the wiring to the fuse panel, to the relays. Cold be the relay/fuse panel.
Posted on Sep 30, 2016
the relays control circuit is grounded by ECM (computer) . to check this make sure the is hot enough for the fans to be commanded on by computer and check to see if you have voltage at relay and it has ground from computer . you may need ECM.
Posted on Jan 28, 2009
Cooling Fan Temp Sensor is the First thing You Check (with what you have described) Cooling Fan Should ALways come On When The A/C is turned On as A/C Adds A Load to Engine, If Temp Sensor is Faulty it Will Not Give GROUND Signal to ECM >For COOLING FAN >RELAY to Give ground and turn ON The Fan.
There ARE 2 temp Sensors that Serve Different Purposes 1 is for Dash READING GAGE & Or TEMP LIGHT the Other is For ECM or Fan Relay (SAME Thing) you Said>""can disconnect the sensor and fan continues to run" < This Leads me to think you Changed the Wrong One. Not Questioning your Skills Just Here to Help.
TEMP SENSOR FOR 3.1L V6 is Located upper RH rear of engine compartment, near exhaust system. Temp SENSOR for 2.3L Engine is Located in LH rear of engine compartment.
I Hope this Helps Lead you to a NON-OVERHEATING Pontiac.
Good Luck and Have A Great Evening. rejakwilson
Posted on Feb 04, 2009
The fuel filter is located below the electrics box, half way between the battery and the bulkhead on the passenger side, under the bonnet. It is very difficult to see how it all fits, but it has a central screw which holds the plastic filter housing/mounting in place. Find this screw (which is a small self tapper) and be prepared to loose it, or use a magnetic screw driver. Then lift the plastic housing up and away, (towards the engine) be ready with loads of rags to catch the diesel fuel when you disconnect the pipes. There is an earth wire attached to the housing also. (anti interference, I think) It is quite a fiddle getting it back again, as it has two locating lugs on the back of the plastic housing/mounting.
Posted on May 07, 2009
there is a module mounted on the fan shroud that is a common problem. but as always, check fuses, connectors and grounds!
Posted on Feb 17, 2010
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