Index Jaguar Jaguar X-Type Sedan and Estate (Wagon) (2.0 L, 2.5 L and 3.0 L Gasoline; 2.0 L and 2.2 L, Diesel) - manual 2001-2009 year
|
|
* * * * * * * * * * 1 Road Conditions An experienced technician will always establish a route that will be used for all NVH diagnosis road tests. The road selected should be • NOTE: Some concerns may be apparent only on smooth asphalt roads. If a customer complains of a noise or vibration on a particular road and only on a particular road, the source of the concern may be the road Vehicle Preparation Carry out a thorough visual inspection of the vehicle before carrying out the road test. Note anything which is unusual. Do not repair or After verifying the condition has been corrected, make sure all components removed have been installed. Lift Test After a road test, it is sometimes useful to do a similar test on a lift. When carrying out the high-speed shake diagnosis or engine accessory vibration diagnosis on a lift, observe the following precautions: WARNING: If only one drive wheel is allowed to rotate, speed must be limited to 55 km/h (35 mph) indicated on the speedometer since actual wheel speed will be twice that indicated on the speedometer. Speed exceeding 55 km/h (35 mph) or allowing the drive wheel to CAUTION: The suspension should not be allowed to hang free. W hen the CV joint is run at a very high angle, extra vibration as well as damage to the seals and joints can occur. The suspension lower arms should be supported as far outboard as possible. To bring the vehicle to its correct ride height, the full weight of Jacking (100-02 Jacking and Lifting, Description and Operation). 1. Raise and support the vehicle. For additional information, refer to REFER to: Lifting (100-02 Jacking and Lifting, Description and Operation). 1. 2. Explore the speed range of interest using the Road Test Quick Checks as previously described. 2. 3. Carry out a coast down in neutral. If the vehicle is free of vibration when operating at a steady indicated speed and behaves very differently in drive and coast, a transmission concern is likely. 3. Note, however, that a test on the lift may produce different vibrations and noises than a road test because of the effect of the lift. It is not Symptom Chart Symptom Possible Sources Action High-speed shake Wheel end vibration GO to Pinpoint Test A. Tip-in moan Air cleaner GO to Pointpoint Test B. Idle boom/shake/vibration, or shudder Cable(s)/hoses(s) GO to Pinpoint Test C. W heel end vibration analysis Suspension/front or rear wheel drive half shaft and joints GO to Pinpoint Test D. Non-axle noise Trim/mouldings GO to Pinpoint Test E. Pinpoint Tests • NOTE: These Pinpoint Tests are designed to take the technician through a step-by-step diagnosis procedure to determine the cause of a After verifying that the condition has been corrected, make sure all components removed have been installed. PINPOINT TEST A : HIGH-SPEED SHAKE TEST CONDITIONS DETAILS/RESULTS/ACTIONS A1: NEUTRAL COAST Carry out the neutral coast test. |