If your car has an automatic transmission, disconnect the oil cooler lines as well. Remove the hose clamps and disconnect the hoses. If there is enough space to work in front of the engine, leave it alone! If there isn’t enough space to work, It needs to come out. They will drink it down if they find a pan or a puddle of it and it will destroy their kidneys! Drain your coolant from the pan into your gallon jugs to re-use it or dispose of it. If your car doesn’t have a drain, you may have to loosen a hose at a low spot on the engineīe sure you know where your dogs or cats are during this step! Automotive antifreeze tastes good to them.
#Timing gear manual
Remove the radiator or coolant reservoir cap, locate the drains with your workshop manual and let the coolant out into your drain pan. Older cars had drain cocks or plugs in the radiators and engine, many newer cars don’t have a drain in the radiator, but most of them still have engine drains. There are a few types of engines that don’t have coolant passages in the timing cover.Ī good visual inspection can tell you if that’s the case. Working underneath a car is potentially one of the most dangerous things a home mechanic will do, so you don’t want to take any chance that the car can shift and fall on you while you’re working underneath. 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.So a worn timing gear should not be neglected. They rarely fail completely but if they do, you may have other serious damage to the engine. Changing the actual gears and the replacement of sprockets on other types of engines is similar, but often more complicated because of overhead camshaft layouts.Ī worn timing gear may become noisy or it may show no symptom at all. However, the term timing gear has hung on and is still in common use to describe the sprockets that drive timing chains and timing belts as well. Even many engines where the camshaft is located in the block have gone to timing chains rather than gears mostly because they are quieter and cheaper to manufacture. With the proliferation of overhead cam engines, their use has dwindled a just a few types of engines. The earliest method for achieving this was with a simple set of gears.Īctual gear-to-gear timing gear arrangements instead of chains used to be far more common than they are now. There can be no deviation and no room for error. The engine camshaft has to turn at precisely half the crankshaft speed.
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