Vehicle information: 2010? Changan Suzuki Yulan, 1.5 displacement manual gearbox, driving about 130,000 kilometers.
Vehicle failure: transmission half shaft oil seal leakage.
The Rain Bird is the car of an old classmate of Fatty's, and it was still a new car that Fatty picked up at the 4S store with him. The car travels about 13,000 kilometers a year, maintenance from 2014 by the fat brother responsible for the oil with Castrol full-synthetic extreme protection 5W-30, a year to change the oil. 10 years old car, in addition to replenish the paint and cleaning throttle and oil, other aspects of the basic have not moved, so we have to admit that Suzuki car car's maturity and stability is quite good.
In this routine maintenance, the fat brother found that the transmission and engine under a large number of oil, and oil leakage is more serious need to repair as soon as possible.
Repair steps:
Checked on the shelf during maintenance.
After inspection is the transmission right half shaft differential oil seal leak.
There are many reasons why the half shaft oil seal is leaking, Fatty summarized 4 points.
The oil seal is deteriorating and aging, resulting in a bad seal.
Transmission refueling too much, the oil level exceeds the normal height.
Transmission vent pipe blockage, oil temperature rise pressure rise oil was squeezed out, resulting in oil seal damage.
Half shaft up and down shaking or differential bearing tolerance is too large.
Caused by the transmission half shaft oil leakage, most cases are oil seal aging problem, so this repair is mainly to replace the right half shaft oil seal.
You can see the left half shaft oil seal, very dry.
The old classmate is a man of honor, everything has to be original. Original oil seals are relatively expensive, one can buy two sub-factory parts.
The oil seal is not expensive, but it's still a little tricky to change, you need to remove the wheel, remove the ball head of the lower swing arm, then remove the big screws of the half-shaft, and finally pull off the half-shaft to replace the oil seal.
Transmission fluid seems to have been changed once in Fatty's memory, this time it is simply changed together, the transmission fluid used is still the original GL4, 75W-90 viscosity.
Specific disassembly steps are omitted, pull down the half shaft.
From the oil leakage trace observation, the oil leakage time should be relatively long, the oil seal can make a screwdriver slowly pry out.
The oil seal has been removed.
Contrasting the old and new oil seals, the old one has no elasticity when pinched by hand.
Installing the new oil seal.
After everything is installed, the new transmission fluid is filled into the transmission. Take the natural flow out of the gearbox's oil filler until it doesn't flow out.
Note: The car needs to be put on the shelf and rechecked after driving for a while to prevent oil leakage due to quality or improper installation.
Fat brother summary: transmission half shaft oil leakage more than 95% are oil seal corrosion caused by aging, because with the passage of time, alternating hot and cold changes, the rubber parts are prone to lose elasticity. Coupled with the sedan's right half-axis is relatively long jumping big, very easy to cause oil leakage.
Friends who like it can point to attention, and later have more knowledge of the car and share with you.
This article comes from the author of the automobile family car, does not represent the views of the automobile family position.