Land Rover Defender: Fluid Leaks
DESCRIPTION AND OPERATION
GENERAL PROCEDURE - FLUID LEAK DETECTION

SERVICE INSTRUCTION
NOTES:
- Slight surface oil dampness without drops are acceptable and should
not be repaired as a leak
- Be aware that fluid leaks from above any component may cause oil to
collect on the engine and
transmission undershield i.e. engine leaks, oil cooler pipe leaks, fuel
leaks, coolant leaks
- Fixing the incorrect leak does not satisfy the customer
1. Remove any undershield or engine covers to gain access to the suspected
leak area
2. Using a suitable degreaser, thoroughly degrease the suspected component
all the way around as well as,
approximately, 25-50mm (1-2 inches) above the suspected leak
3. Using a suitable leak detector spray, thoroughly coat the suspected
component as well as, approximately, 25-
50mm (1-2 inches) above the suspected leak
4. Install the transmission/engine undershield and engine covers if removed
5. Complete a suitable road test and make sure that the engine gets to normal
operating temperature
6. Remove any undershield or engine covers to gain access to the suspected
leak area
7. Inspect the suspected component for fluid leaks, the detector spray should
leave a trace from the leak area

Engine oil leak example graphic. Oil is present between the engine and
transmission mating faces, including evidence
of oil in the 3 breather holes
8. Report or repair the source of the fluid leak
9. If no leak is found, continue diagnosis until the exact source of the leak
is found
10. Install the transmission/engine undershield and engine covers if removed
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DESCRIPTION AND OPERATION
INTRODUCTION
Modern vehicles contain many materials and liquids which if not handled with
care can be hazardous to both personal
health and the environment. Also, many of th
For example - alkalis such as caustic soda used in cleaning materials; acids
such as sulphuric acid used in batteries.
Both alkalis and acids are irritant and corrosive to the skin, eyes, nose and
t
Many adhesives and sealants are highly flammable - OBSERVE NO SMOKING POLICY.
These items, should be
stored in flameproof cabinets in No Smoking areas. Cleanliness and tidiness in
use should be obse
SEE MORE:
REMOVAL AND INSTALLATION
REMOVAL
CAUTION:
Protect the surrounding paintwork to avoid damage.
NOTES:
This procedure contains illustrations for left hand drive vehicles,
right hand drive vehicles are similar.
This procedure contains illustrations showing certain components
removed to provide ex
REMOVAL AND INSTALLATION
REMOVAL
NOTES:
This procedure contains some variation in the illustrations depending
on the vehicle specification, but the
essential information is always correct.
This procedure contains illustrations showing certain components
removed to provide extra clarity.
1.
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