Vehicle & Technical > Discovery

Auto Box seems to be slipping.

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Landynuts:

--- Quote from: "smith335" ---can you change the filter on a zf box,with out having to remove the chassis cross member that sits under the gear box?

--- End quote ---

I managed it eventually but it took a lot of swearing and skinned knuckles!

Range Rover Blues:

--- Quote from: "Budgie" ---It was a used one that was off a spare motor I have but that was cleaned and tested before fitting.
I didn't fancy buying a new one just to test it, have you seen the price of them!  :shock:
--- End quote ---


No, but I can imagine.  TBH I'd say if that's all that's wrong with it I'd stop worrying.  The ECU does rev the engine if the cranking voltage falls, perhaps a look at the earth wiring around the car, chassis/body or somthing, perhaps the voltage at the ECU drops during cranking even though you've got a good battery.

Budgie:
I had another look around the engine bay today and found one of the temp' sensor connectors, under the thermostat housing, wasn't connected to the sensor. So it's reconnected now and I'll see what it's like when I go to work tonight.  :wink:
What I'm thinking is: If the temp' sensor feeds the water temp to the ECU then the ECU maybe thinks the engine is cold as it can't read the sensor, thus it's putting extra fuel in (or closing the stepper motor) to bring the tick-over up - as a choke would do. Does that sound about right?  :?

Range Rover Blues:
On the V8 IIRC one is for the temp guage and the other for the ECU, but the one directly on the thermostat elbow is for the airconn fans, that one has 2 blades on it and is by far the biggest of the 3.

Budgie:
I'm not sure what it feeds but I could only see two of them (there is a third that screws into the thermostat housing itself) but it was the larger one of the two in the inlet manifold and has a brown connector.

Edit: I re-read your post and it's not the aircon fan sensor.  :wink:

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