1/17/2024 0 Comments 5.4 timing chain replacement![]() Also, the link on the chain nearest to the bumper should have a colored link in the 6 o'clock position. On the crank shaft, there's a black mark that should be pointing straight up. The timing chains have markings on them to make sure they're correctly aligned. Rotate the crankshaft so that the number 1 cylinder is at top dead center. ![]() Now, your timing chain and guides will be exposed. Use a plastic scraping tool to remove all traces of old sealant. These tools cause scratches and gouges which make leak paths. Featured Video: Front Main Seal Replacementĭo not use metal scrapers, wire brushes, power abrasive discs, or other abrasive means to clean the sealing surfaces. Alternatively, there's a special tool just for this task available on Amazon. Just be careful not to let the let the screwdriver scrape or hit anything other than the seal. While a flathead screwdriver could will work in a pinch, it could also do damage by accident. The key is to pull it out without scoring or otherwise damaging the surrounding hardware. ![]() This should be replaced with a new one to avoid the potential of an oil leak. When you get the pulley off, you will also need to remove the crank shaft front seal. Crankshaft pulley held tight with pry bar. Unbolt crankshaft pulley bolt to remove crankshaft pulley. If you happen to have an impact wrench, the job will be easier and you may not need any extra help. You will need a pry bar or something similar to jam the pulley, otherwise the pulley will spin when you try and remove its center bolt. To get the bolt out, you'll need to stop the pulley from spinning. The crankshaft pulley must come off, which is the most difficult step in the job. Remove lower hose (highlighted above) if needed. Remove upper radiator hose from radiator. The next step might be easier if the lower radiator hose is removed, too. Remove it from the radiator and the waterpump. Disconnect this one first as it'll be the easiest to get to. The first connects to the top of the radiator from the water pump. These are held on with clamps that will require pliers to remove. You will next remove the heater hose and the lower radiator hoses from the water pump. Disconnect all brackets attached to valve cover and all wiring harnesses and electrical connectors.įor the passenger side valve cover, you will need to:īe sure to note where the wiring to the alternator goes so you don't fry it and the battery when you re-install it.Disconnect vacuum hoses connecting to the valve cover.Unbolt the power steering reservoirs and move them to the side.Unbolt the oil dipstick tube from the block and move it out of the way.You will need to remove the ignition coils and any other components attached to the valve covers that will obstruct its removal.įor the driver's side valve cover, you will need to: Blast the cover with compressed air first so that you don't accidentally knock dirt and muck into your valvetrain. You will need to remove the valve cover in order to access the timing chain. Remove the fan shroud, highlighted in red. The shroud is highlighted in the diagram below, and its location and mounting points are plainly visible when looking under the hood. The fan itself ought to be removed as well. The fan shroud (if you have one) takes up vital space and needs to be removed. If you have pets be sure to clean up any spills and properly dispose of the old fluid. Radiator fluid smells sweet like candy to pets, and it is too hard for them to resist this deadly poison. Drain radiator fluid into a bucket or used coolant bottle. Locate this white nut on the bottom of your radiator. You could unscrew the petcock and let the fluid drain out into a bucket without a hose, which could be messy alternatively, you could connect a 3/8" tube to the valve and drain the fluid into a bucket (Figure 2). You have two options for draining the fluid. It should be a white, plastic bolt (Figure 1) located on the bottom of the radiator. Instead of just yanking the lower hoses and letting coolant flood out everywhere, drain your radiator via the petcock valve. The radiator hoses will need to be removed in order to access the timing chain. Then, disconnect the positive (red) battery cable. Timing chain repair kit (timing chain, guides)ĭisconnect the negative (black) terminal from the battery first.
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