If your car has an automatic transmission, disconnect the oil cooler lines as well. Remove the hose clamps and disconnect the hoses. There are a few exceptions where there is enough room to work with the radiator in place. If your car is a front-engine rear-drive, however, the radiator probably has to come out. If yours is a front wheel drive car with a transverse (sideways) engine, it almost certainly does not. If your car doesn’t have a drain, you may have to loosen a hose at a low spot on the engine. Remove the radiator or coolant reservoir cap, locate the drains with your workshop manual and let the coolant out into your drain pan. But most cars run coolant through the timing cover, so it will have to be drained before the cover is removed. If your car uses a timing belt, there may be no need to drain the coolant. Jack the front of the car and place it on good jack stands. Set the brake and put wheel chocks under the rear wheels. Make sure the car is in park, or in first gear if it is a manual. Gear puller or harmonic balancer puller. Most often the failure will be in the gaskets or seals on the timing cover, but occasionally, there may be a crack or chip that will necessitate replacement of the timing cover itself. If any of those areas leak, the timing cover will have to be removed. If the chain or belt that it protects get too loose, if the water pump that is attached to it fails, or if somebody changes a part and doesn’t install the bolts correctly, you might find yourself replacing a timing cover.īesides protecting the timing mechanism inside, the timing cover also has coolant and oil passages. If there is a failure, it’s generally caused by a failure of something nearby. Its life is usually long and trouble free. There’s not much that goes wrong with the timing cover itself.
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