It may not be the seal, have had leakage from where the bearing cap joins the block. The way to test it is pressurise the crankcase to 5psi where the PVC valve is fitted to the rocker cover & use soapy water to check for bubbles. Picture is just an example of a rear seal.
-- Edited by DeBe on Thursday 18th of October 2018 02:52:51 PM
A common problem with oil seals is they go hard and ware a grove in the shaft. If the grove is worn too deep they will still seep oil after the seal has been replaced.
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PeterD Nissan Navara D23 diesel auto, Spaceland pop-top Retired radio and electronics technician. NSW Central Coast.
Replacement seals used to have the sealing lip offset to miss the worn part of the shaft, may not be the norm these days but if you get it changed talk to the people at a bearing service to see what is available.
Service people will only put it an original seal.
A speedy sleeve can be fitted to the crank end also.
Also make sure the seal is a high temperature one.
Maybe a oil stopleak additive is worth a try
A speedy sleeve fitted to the shaft and trimmed to length will usually solve the problem and you can still use the standard size seal. Speedy seals come in numerous sizes and used for axle and hub bearing fitting and shaft sealing including worn harmonic balancer seal faces. You just need to be able to measure the offending shaft diameter accurately.
Thanks for all your replies. As I do not have the mechanical knowledge to try any of these solutions looks like I will be at the mercy of a repair shop.
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Kevin Kyle
On the road full time with Son and 21 year old cat and 3 year old Manx.
Toyota Landcruiser 100 series V8. Nextgen semi off-roader. 3 120 AH agm batteries, 1KW Solar
HI
speedi sleeve if there is a groove
Hi temp seal --use a genuine
Correctly Tension flywheel in a criss cross fashion . failure to do this can distort seal surface .
Is the breathing system --PCV working correctly
Is the breather baffle inside rocker cover correct excess oil usage results and an increase in crankcase pressure can happen
Engine condition compression test
Leak down test
Both the above check for blowby into crank case . Excessive blowby comes out oil seals .
