It is possible for a lifter to tick if it is not given enough oil, if the oil is too dirty, or if it is too old. If they bend, it will usually cause a horrible ticking sound. Pushrods connect the camshaft to the lifters. Pushrods are used in engines where the camshaft is located in the engine block, and not in the head. The exact process will be wildly different depending on whether or not the engine uses an overhead cam. It involves taking a decent portion of the engine apart, which is above the skill level of most folks who aren’t qualified mechanics. Replacing a lifter is a pretty challenging job. The most common reason that a lifter will tick is because the lifter itself has gone bad. Here are some of the most common causes of a ticking lifter: ![]() Even if it goes away when it warms up, it’s still something that needs to be addressed. The ticking may come and go when your Express heats up or cools down respectively. Here’s a short video that features a ticking lifter, if you would like to confirm that is the sound that you are actually hearing. It’s going to be more of a “tick” that has a shallow tat tat tat to it. It’s not a knocking sound, which could be described more as a “thunk” (getting technical) and typically indicates a bad rod. The noise of a bad lifter is very distinct. It must go up and down with the Express’s engine speed, or it is not a lifter tick at all.Ī lifter tick is usually not accompanied by any other symptoms than the noise. Obviously ticking is going to be the major symptom of a lifter tick. We’ll go into greater depth on each below. There are a few things that can cause a lifter to tick, such as the lifter itself going bad, a bent push rod, or oil deposits. The ticking noise makes it sound like the engine is going to give up the ghost at any time. One of the most annoying things that you can coming from under the hood of your Chevy Express is a ticking lifter.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |