I have a1999 Freelander,yesterday I was driving & then changed down gears to turn a corner & since then there is a constant vibration & shudder which you can feel through the whole car.& in the steering wheel.The vibration was worse the faster you go.We were told it could be the IRD.
All of the tyres are ok,no uneven wear.
Any thoughts ?
Remove drive shaft and all vcu components, take for a short drive ( car will still drive in 2 wheel mode, if vibration gone suspect could be vcu , if still felt at front suspect ird if still felt in rear check diff mounts then diff out put bearings and nose end play.
The
following are the general instructions on the start of diagnosing any
electronically controlled engine or transmission problem.
The engine and the automatic transmission (transmission control is only for automatics, engine is still computer controlled no matter the transmission type) in this vehicle are computer controlled and in most cases when a fault occurs a fault code is stored in the memory of the computer control module. There are exceptions to this, such as the Mass Airflow Meter and fuel pressure problems. What must be done is to have all the basic testing done such as a scan of the system for fault codes as well as a check with a live data scanner tool for engine functions that are not within range of normal, a trained technician is required to know what is correct and what isn't, then based on careful diagnostics done from a factory repair manual the correct part is replaced or the wiring repaired or the computer replaced (known as the PCM or ECM,ECU), which is very rarely the problem. Other basic checks must be done as well such as mechanical problems with the engine as well as engine state of tune and mileage on the engine. The transmission can have mechanical issues as well such as no gear engagement at all or a failed pump or other pressure related problems. Also engine mechanical problems can and do cause many drive-ability related problem such as rough idle and other symptoms.
Part Number
Description
Qty
88965356
Gear Kit, Steering
(Short Wheelbase Utilities)
1
88967181
Gear Kit, Steering
(Long Wheelbase Utilities)
1
Warranty InformationFor vehicles repaired under warranty, use:
Labor Operation
Description
Labor Time
E9740
Gear Assembly, Power Steering - Replace
Use published labor operation time
E2000
Toe, Front - Adjust
I’m happy to help further over the phone at https://www.6ya.com/expert/david_6df67de3b14de867
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