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vs. Remanufactured Engines
may believe that there isnít much difference between a rebuilt
engine and a remanufactured one. However, if you do your homework,
you will soon find out that YOU ARE WRONG. There is, in fact, a huge
difference between a rebuilt and a remanufactured engine. To decide
which is the best process for your car, read on.
and most important, a rebuilt engine will have a much shorter life
than a remanufactured one because the process of rebuilding is
significantly less precise and that translates into less
predictablity. Rebuilding is performed in local automotive body shops
and is dependent on the skills, judgement, and experience of the
individual mechanic. Parts that appear to still be functional are
merely cleaned and reused; only those parts that are worn down or
broken are replaced. So, if those parts that are only cleaned break
down in the future, you will be looking at a very costly diagnosis
to determine what the exact problem is, and then an even more
is a science ó it is precise and exacting. The work is done in a
factory and all the engine parts are disassembled and thoroughly
cleaned. This includes not only the larger parts of an engine, but
also the small components, such as starters, alternators, clutches,
brake calipers, and wiper motors. Other new parts may include
pistons and pins, piston rings, connecting rod bearings, the timing
gear and chain, valve and camshaft bearings, pushrods, valve
lifters, gaskets and seals, freeze plugs, and oil pumps. Cylinder
heads are cleaned and resurfaced, cylinders are bored and valve
seats are resurfaced. Then they are tested, repaired, reworked, or
replaced. When all this is finished, the engine is reassembled and
tested, using state-of-the-art computerized equipment. With
remanufacturing, the performance of the engine must meet certain
performance requirements during oil pressure, compression, and
is as close as you can get to installing a new engine. It far
surpasses the simple replacement or rebuilding of parts that
constitutes rebuilding. There is a world of difference between the
quality of a remanufactured engine.
rebuilt engine is not completely disassembled or inspected. Letís
look at an example. If you have decided to have your engine
remanufactured, once it is taken apart, the remanufactured
alternator will have both new diodes and brushes, an undercutting of
the armature coil, new bearings, and pulleys. Your rebuilt
alternator may have only the brushes replaced.
fact, a remanufactured engine may perform BETTER than your original
engine! The individual parts have been replaced with upgraded
components that are free from the problems encountered when you
first bought your car!
giving you a better than new car when you choose remanufacturing
over rebuilding, there is the issue of warranties. A rebuilt engine
has a significantly shorter warranty period, usually 30 to 90 days.
A remanufactured warranty generally runs for a much longer period,
such as one year to the lifetime of your car.
how do you decide which process to go with? If your engine performs
well, except it has certain quirks, like stalling or taking its time
to start, or it works well but you just canít locate that
mysterious buzzing noise whenever you take it up over 40 mph, you
might want to try rebuilding. But if your vehicle is in good shape,
but your engine is giving you panic attacks every time you go for a
drive, replacing that engine with a remanufactured one will give you
a car that may very possibly outperform the one you drove out of the
Car's Mechanical Condition
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