Probably a combination of parts. Lifters and or rocker arms. Could be dirty lifters also. If your ready to change oil, what I do is get the engine to operating temperature. Pour a half quart of transmission fluid in and let it run 15 to 20 minutes. It's high detergent and helps clean out the lifters. If the lifters are tapping from dirt, this will stop the tapping or at least quiet it down some.
SOURCE: AC works, Heater not working, 2003 Hyundai Accent.
Check the coolant level, do this with a cold engine. Or if you have recently used it. let it cool down for about 25 minutes before removing the radiator cap. if it is low, refill with coolant. If it does not, check your thermostat. Or better yet replace your thermostat. Be sure to get the right one . the same degrees as your old one. Just ask the teller to give you one for your engine size and car Model.And year.See where the radiator cap is. Then drain some coolant to where it will not spill from the radiator cap. Remove the hose nearest the radiator cap and you will get to the thermostat housing. Remove the housing and note how the thermostat is placed. Take of the thermostat housing and the old thermostat. Clean the housing and around the hole where the thermostat goes of any deposits. Get some grease and cover the new gasket with grease on the housing to hold it in place. replace the New thermostat and make sure it is flush with the engine and the housing. If it is off , you could break the housing upon tightening the housing.replace the hose and refill with coolant slowly to eliminate any air spaces.. Also check the coolant reservoir and fill it to the indicator line. Restart the car and chek for any leaks. Then check the heater after the engine heats up. If that does not do the job it could be the temperature sensor or the heater core.The heater core will take more time to check and clean or replace.
SOURCE: lifters on a 2000 hyundai Accent
3 valves per cylinder 4 cylinder engine, 3X4 is 12, so yes 12 is correct, no u don't have to change all of them, just the defective ones, the reason they want to do this is one of 2 things, there is a problem with the design of the original lifters and they want to update them, 2nd reason is they have been unable to isolated which lifter(s) are causing the tapping noise.
SOURCE: Adjusting the low beam headlight
its all the same the headlight is a complete unit you adjust both/ look for screws behind the headlight one each side one is for horizontal annd the other is for vertical Please rate my response thank you very much
SOURCE: replacing exterior door handle 2003 hyundai accent?
remove door panel which is attached by screws,peel away plastic liner and look inside door at back of door handle..using needle nose pliers pop off the small steel rods that are for inside door mechanism,then remove the one bolt that attaches the handle to the inside of door and from outside of door remove handle.Replace in reverse order!
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