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Sometimes an engine is past its best and either burning oil, losing significant amounts of power, or just making noises that strongly indicate its day is almost done. In this situation, you have a couple of options. You can write the vehicle off entirely, buy a completely new engine and fit that, or refurbish your existing block. The latter is likely the cheapest way to keep your vehicle on the road, and something like a 5.9 Cummins rebuild kit makes one of the most complex jobs you can perform a lot simpler. A 24V Cummins rebuild kit should contain everything you need to refurbish your truck’s engine. It will contain plenty of parts that commonly wear out after a certain time or mileage, including gaskets, piston rings, bearings, and more. +Read more
A total rebuild kit should contain what you need to perform a complete engine overhaul, though you can choose to get specific if your engine has an identifiable problem. Gaskets have a limited working life, and a 5.9 Cummins gasket kit is pretty inexpensive. Replacing something like the head gasket before it fails can prevent serious engine damage. Just remember to replace the 24V Cummins head studs at the same time, they’re only designed to be used once.
Something like a failing 5.9 Cummins valve cover gasket is a relatively simple and cheap repair that can prevent serious engine damage in the long run. If your engine starts misfiring, or you’ve noticed oil in the spark plug wells, then a leaking valve cover gasket is the likely culprit.
If your exhaust manifold has perished, it’s a less serious issue but can have a noticeable impact on engine efficiency. Replacing said gasket, and your Cummins exhaust manifold studs is a fairly cheap and simple job if you’re doing it yourself. Cummins manifold studs can fail over time due to the constant expansion and contraction of the manifold due to the hot air that is blasted through it when the engine is in use.
Some parts aren’t vital to engine function but will make any repairs a lot simpler. For example, a 24V Cummins timing pin is a very cheap plastic part that helps you find the top dead center of the engine. It costs a few dollars and can prevent you from having to do anything complex when trying not to mess up your engine’s timing.
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