The time cover protects the timing mechanism and also has oil/coolant passages. If damaged, it have to be changed to avoid leaks and also entry of debris.

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Step 1: Jack up the car. Make sure the vehicle is in park, or in an initial gear if the is a manual. Set the brake and also put wheel chocks under the behind wheels. Jack the prior of the car and also place that on good jack stands.


Step 2: drainpipe the coolant. If your vehicle uses a timing belt, there may be no require to drain the coolant. Yet most cars run coolant through the timing cover, so it will have to be drained before the cover is removed.

Remove the radiator or coolant reservoir cap, locate the drains v your workshop manual and also let the coolant out into your drain pan. If your auto doesn’t have actually a drain, friend may have to loosen a hose at a low spot on the engine.


Step 3: remove the radiator. No all cars require radiator removal. If her is a prior wheel drive vehicle with a transverse (sideways) engine, it practically certainly go not. If your vehicle is a front-engine rear-drive, however, the radiator probably needs to come out. There space a few exceptions where there is sufficient room to work-related with the radiator in place.

Remove the hose clamps and disconnect the hoses. If your car has an automatic transmission, disconnect the oil cooler lines together well. Unbolt the mounts and also remove the radiator.


Step 4: eliminate the journey belt(s). Your auto will have one or much more drive belts that have to come off. It may be a concern of loosening the mount on one alternator or other accessory, or if that is a late version car, that will have a spring-loaded tensioner that you should loosen.

These are often an overwhelming to reach and also having the ideal belt tensioner device will do all the difference. When the belt is loosened, it might still be vital to revolve the engine through a wrench while you “walk” the belt off of the pulley.


Step 5: eliminate the water pump. On most timing chain cars and also many timing belt cars, the water pump needs to come turn off to get accessibility to every one of the bolts or come get sufficient clearance to gain the sheathe off. Remove the bolts holding that down and also gently pry that off.


Step 6: remove the journey pulley. ~ above the prior of the engine is a big pulley or harmonic balancer the comes v the time cover. Acquiring the bolt turn off this pulley deserve to be a challenge because the engine do the efforts to revolve while you effort to ease the bolt. Friend will have to use a crankshaft holding device or an impact wrench to take this bolt out.

Once the facility bolt is out, girlfriend should be able to pull the sheave off the crankshaft through little much more than a few strikes top top the side from a dead blow hammer. If that is stubborn, a gear puller or harmonic balancer puller will carry out the trick. Watch closely for any loose keys that may slide out with it.


Step 7: eliminate accessories. The power steering, air conditioning, and/or alternator all may have to be removed to get complete accessibility to the timing cover. In some cases, it can only be important to eliminate a pulley from the accessory.

Study the workshop hands-on and shot to imagine pulling the cover six inches right off of the auto to see what could be in the way.

Part 2 that 3: removing the timing cover


Step 1: remove the valve cover. This is another operation that might not use to all cars. If your automobile has an overhead camshaft, it will be essential to take the valve cover turn off to access the upper part of the time cover. If your car has the camshaft in the block, the will probably not it is in necessary.

Remove the crankcase vent hose and also spark plug connections. Unbolt the cover and also work it loose. A few strikes native the dead blow hammer may be crucial to gain it started.


Step 2: eliminate the time cover bolts. Most timing covers have a range of bolt sizes and lengths holding castle on. It’s essential to keep track the them. If you placed a long bolt in a brief hole and try to tighten it up, you deserve to do major damage, and some the the bolt lengths only differ through a few millimeters.

The best means to save track of them is to draw a diagram of the time cover on a piece of cardboard and push the bolts right into the cardboard as you remove them.

Some engines will have actually a couple of bolts coming up through the oil sump and down through the cylinder head come the time cover. Be sure not come overlook these.


Step 3: eliminate the timing cover. If your automobile has the electronic came in the block, usage your small pry bar or a large screwdriver to acquire purchase under the timing cover and also work it turn off the block.

If your car has an overhead camshaft, there might be a part of the timing cover the fits increase under the cylinder head. Be an extremely careful not to damage the head gasket at this point.

Some overhead electronic came engines have a two piece timing cover. There space a couple of more bolts, however this provides replacing the gasket easier. Eliminate the upper component of the time cover before the lower part.


Step 4: examine the timing cover. Clean the time cover thoroughly and also check the time cover for cracks or chips. Look carefully at the machined surface ar where the gaskets attach. If you’re trying to settle a leak, it may be solved merely by replacing the gaskets and seals.

Part 3 of 3: installation the new timing cover


Step 1: download the new gaskets and seals. Push the new seal right into the timing cover and also tap it with the dead punch hammer until it is flush through the surface of the cover. Use RTV gasket sealer to the surface ar of the engine and timing cover wherein the gasket mounts and also stick the gasket to the engine or the time cover.

If there space dowel pins in the block or the time cover, stick the gasket top top the surface ar that has actually the dowel pins.


Step 2: download the timing cover. Installation the covering on the engine can be the trickiest part of the job. The covering may need to slide across a pan gasket ~ above the bottom or a head gasket in ~ the top before it meets the surface of the engine.

A little dab of RTV sealer in the corners, where one gasket meets another, deserve to be beneficial for staying clear of leaks. Tap the covering in ar with the dead punch hammer to be certain it is steady seated.


Step 3: install the bolts. Refer to your diagram and also screw the bolts right into their ideal location. Don’t tighten them appropriate away. Once you tighten the bolts, occupational alternately across the cover for this reason the whole surface that the covering tightens evenly.

Tighten any type of bolts that go v the head or the pan last. If the engine has an upper and also lower cover, tighten the reduced cover first.


Step 4: install the front pulley or harmonic balancer. Download the pulley and also tighten the bolt to the specification in the manual. This is an extremely important because the after-effects of having actually the bolt loosen up when driving can be serious.

Using a crankshaft holding tool and a speak wrench, follow the indict in the manual. The torque value for the former bolt will certainly be high, probably roughly 180 ft lbs.


Step 5: Reinstall the water pump, belts, and also other accessories. If the water pump is old, it’s a an excellent idea to replace it now. It’s relatively inexpensive and will ultimately fail, therefore you can save yourself part trouble later.

Likewise, it’s an excellent practice to install brand-new belts right now since you already have them every off. Use a small RTV sealer on the new water pump gasket once you put it on.


Step 6: Reinstall the radiator and fill the cooling system. If over there is a coolant bleeder, open it up. If not, remove a heater hose at a high clues on the engine. If the coolant girlfriend drained the end is much more than two years old, you need to replace it with fresh coolant.

Pour the coolant in through the reservoir. Keep putting until coolant runs out of the bleeder or the hose the you disconnected. Near the bleeder and reconnect the hose.

Set the heater ~ above high, and also run the auto until you feel heat coming the end of the vents. Proceed topping off the reservoir when the engine is warming up. Once the automobile is completely warmed up and the coolant is in ~ the correct level, download the press cap on the reservoir.

Check the engine for oil or coolant leaks, then take it turn off the jack stands and also take it the end for a drive. Inspect again because that leaks after ~ driving around for a couple of minutes.

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If your automobile does not have actually an overhead camshaft, or has a camshaft thrust by a timing belt, this job have the right to be perfect in a day or less. If your car has one overhead camshaft propelled by a chain, this project will probably take you much more than sooner or later to complete. It have the right to be a challenging procedure with many possible complications that can make the project take also longer. If girlfriend think you’d quite spend her Saturday the town hall a ball game than bending end the hood of your car, can send a qualified experienced to your home or service to replace the time cover at your convenience.