Many cars have torsion bars in the
suspension instead of coil or leaf spring at the front, the rear or at both
ends.The inner mounting is on the floor pan and is usually well covered against
deterioration, but can fail because of corrosion fatigue in due course. Check
the soundness of the metal at the anchorage point.lyo auto oil seals excellent quality.
The outer end, where it is fixed to the suspension member, can be attacked by mud, stones and road debris. Check its bushes along with all the others.Do not be afraid to lever hard against the mountings – road shocks can be severe,auto oil seals, and the bushes need to be perfect.If there are any worn or damaged components, have them replaced by a garage.
Checking an independent rear suspension
Jack the wheel off the ground and support that corner of the car with an axle stand placed under a chassis member. Remove the wheel if necessary, auto oil seals.and examine all the rubber bushes as they are distorted by the weight of the suspension.Replace any that are cracked or are badly distorted.On a car with transverse leaf-spring suspension, such as some Triumph models, check the spring mounting bolts, U-clamps and spring eye bolts for tightness.valve oil seals.
Once you have a rough idea of where the leak is located, clean the area with a proprietary solvent and drive the car for a few miles to warm the oil and restart the leak. This should show its exact source.lyo auto oil seals excellent quality.
The leak may come from a damaged drain or filler-plug washer. The gasket between the differential carrier and the axle may fail, especially if it was fitted incorrectly. There is also a pinion oil seal at the front end of the differential casing. Oil leaking here runs down the slope of the carrier and drips off the bottom: look carefully.
The half-shaft auto oil seals can also fail, causing internal leaks into the hubs, which are harder to spot. viton oil seals.The breather valve on top of the axle, where fitted, can also become blocked. This causes oil and air to build up inside, which may force oil out of leak-prone places.
Overfilling the axle with oil can also raise the pressure enough to cause leaks.Some rear-wheel-drive cars with independent rear suspension may leak oil from the drive-shaft auto oil seals.
The outer end, where it is fixed to the suspension member, can be attacked by mud, stones and road debris. Check its bushes along with all the others.Do not be afraid to lever hard against the mountings – road shocks can be severe,auto oil seals, and the bushes need to be perfect.If there are any worn or damaged components, have them replaced by a garage.
Checking an independent rear suspension
Jack the wheel off the ground and support that corner of the car with an axle stand placed under a chassis member. Remove the wheel if necessary, auto oil seals.and examine all the rubber bushes as they are distorted by the weight of the suspension.Replace any that are cracked or are badly distorted.On a car with transverse leaf-spring suspension, such as some Triumph models, check the spring mounting bolts, U-clamps and spring eye bolts for tightness.valve oil seals.
Once you have a rough idea of where the leak is located, clean the area with a proprietary solvent and drive the car for a few miles to warm the oil and restart the leak. This should show its exact source.lyo auto oil seals excellent quality.
The leak may come from a damaged drain or filler-plug washer. The gasket between the differential carrier and the axle may fail, especially if it was fitted incorrectly. There is also a pinion oil seal at the front end of the differential casing. Oil leaking here runs down the slope of the carrier and drips off the bottom: look carefully.
The half-shaft auto oil seals can also fail, causing internal leaks into the hubs, which are harder to spot. viton oil seals.The breather valve on top of the axle, where fitted, can also become blocked. This causes oil and air to build up inside, which may force oil out of leak-prone places.
Overfilling the axle with oil can also raise the pressure enough to cause leaks.Some rear-wheel-drive cars with independent rear suspension may leak oil from the drive-shaft auto oil seals.
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