Service Instruction

WARNING: This page is about a different variant/trim than selected.

NOTE: Be aware that oil leaks from above the transmission will cause oil to collect on the transmission oil pan for example engine leaks, oil cooler pipe leaks, even diesel fuel leak.

Remove the transmission undershield to gain access to the transmission area. REFER to the appropriate service information.
Using a suitable degreaser, thoroughly clean the transmission to make sure all oil contamination is removed. Refer to the Oil Leak Inspection article in this document. Make sure all relevant areas are free of oil, contamination before progressing. Make sure there is no residual oil left in bolt holes etc. If necessary, use an air blower to clear and dry the bolt holes on the sump pan.
Oil Leak Inspection

Potential leak sources are the transmission oil cooler pipe unions. Visually inspect the areas shown in the illustration below.

NOTE: The bracket securing the transmission oil pipes has been removed to provide extra clarity.

Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

The potential leak path is shown in the illustration below.

Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

Other potential leak sources are the bosses on the left side of the transmission casing or the rear of the transmission casing. The locations and associated leak paths are illustrated below.

Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

NOTE: Leak detector spray is available to order on the JLR Electronics Parts Catalogue.
Thoroughly coat the potential leak locations using a suitable leak detector spray, refer to the illustrations above.
Run the vehicle up to operating temperature, raise the ramp and use a suitable inspection lamp to identify the source of the transmission oil leak.
Identify the source of the oil leak and take clear, in focus pictures. These may be required to support your warranty claim.
When the source of the leak has been identified, refer to the relevant technical bulletin or refer to the relevant article of the repair information and repair as necessary. If the source of the leak is not shown in the illustrations above, report using an Electronic Product Quality Report (EPQR). Make sure to attach clear, in focus pictures showing the use of leak detection spray and the exact position of the leak.