The Chevy Cavalier fuel pump problem remains a usual occurrence on this popular entry level automobile. In fact, fuel pump failure is so common in the Cavalier, Cobalt and Pontiac Sunfire that civilization rush right into the repairs without confirming the root cause of the problem.

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In some cases I see world talking around replacing the fuel pump ~ above a Cavalier and also asking for further assistance about why this didn"t fix the stalling and hard starting issue. On much more than one chance I"ve found a totally plugged fuel filter top top a Sunfire, Cobalt or Cavalier that recently had actually a fuel pump walk out.In some scenarios once the fuel pump self-destructs internally that creates little pieces that rubber and also plastic debris. What"s left of the pump pushes this pieces into the fuel filter. Although these fuel filters space of the basic to replace canister form variety, auto owners often forget about them.

General electric motors says you need to replace this fuel filter every 30,000 miles. I"ve seen original equipment, fuel filters, as shown by a purple dot installed from the factory, with an ext than 100K mile on it. A clogged gas filter have the right to take out an aging electric pump. Furthermore, in the old days us would never replace any fuel pump there is no replacing the filter.

Unfortunately, things in the automotive business change and not everybody see"s things the way we usage to. Therefore, it’s not unheard the for also professional mechanics to replace a fuel pump without addressing this maintenance item. In mine opinion, this stays the number one reason of repeat failures once replacing the gas tank fuel module assembly.If we pressure the brand-new impeller come push versus a clogged fuel filter it greatly reduces the lifespan of the instead of parts. In this brief article we"ll talk around how to get the diagnosis right when you think you have a Chevy Cavalier fuel pump problem. In addition, we"ll talk about some of the replacement parts that space temptingly inexpensive. And finally we"ll talk around the replacement procedure of the fuel pump itself.

How come Diagnose Fuel Pump Problems

When people ask me just how to diagnose fuel pump problems they"re often instantly disappointed v my answer. To answer the concern of how have the right to I verify the fuel pump has actually failed is to check it. This means energizing the unit and also reading the push output produced by the spinning impeller within of it.Do-it-yourself minded car mechanics don"t like once the first step the diagnosis contains the purchase of a vital tool castle don"t right now have in stock. The an excellent news is that a dedicated fuel press gauge that uses a quick attach Schrader valve installation remains accessible for purchase in the $40 range.Here"s the beautiful part about connecting this check gauge come the fuel rail and also cycling top top the ignition key. Not only do you gain to see if the pump is running, however you also get to view the output pressure. If her test gauge shows any type of pressure at all, that method the entire electric side of the fuel push circuit remains completely operational.

In other words, by cycling the an essential you simply tested the energize or command signal native the computer, the fuel pump relay and all of the wiring up till the in tank module. Quick sidebar: if the push reads zero, climate you should test for power and ground in ~ the 4 wire connector. If you can hear the motor running or have the right to verify ideal electrical procedure then the fuel pressure test of zero speak volumes about your following step in diagnosis. However, before we drop the gas tank and further investigate the pump, it"s time to find the fuel filter.

Unfortunately, top top an entrance level automobile like the Chevy Cavalier a fuel filter is regularly ignored. I"ve written an article about how come diagnose a clogged fuel filter. Through that said, a completely clogged filter can additionally damage the fuel pump assembly.

When us tell the pump to develop pressure and also push against a blockage, it deserve to physically damage the vulnerable impeller operation by the electric motor. If we uncover a clogged fuel filter it"s time to change that tune-up and maintenance component and climate retest the fuel pressure. The fuel push reading top top a Chevy Cavalier native the version year 2000 v 2005 need to register above 55 psi.

Chevrolet Fuel Pump replacement Parts


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Chevy Cavalier Fuel Tank Removal

Replacement the the in tank module assembly that includes the electrical pump stays a common procedure for plenty of different years, makes and also models. The surprising component about the repairs i do not care the amazing difference in the price of the instead of parts. I understand that auto parts cost more at the dealership, but in the fuel pump group I see huge discrepancies.In most situations a Chevrolet components department charges cost +30% on separation, personal, instance auto parts. However, if I contact a dealership for a instead of gas tank module I definitely pay more than that. Among my replacement tips is to usage a quality replacement part. This is simpler said 보다 done. I"ve take away a opportunity on various aftermarket brands and to this day we"ve been lucky.There"s one more important thing to mention about replacement parts. This specifically applies to the Chevy Cavalier Pontiac Sunfire, grand Am and Chevrolet Cobalt models. Most of the aftermarket instead of Chevy Cavalier fuel pump modules encompass a brand-new fuel tank pressure sensor. Failure of the basic Motors fuel tank press sensor i do not care yet an additional common issue with your sedan and also coupe models.

Chevy Cavalier Fuel Pump Installation

Pulling the fuel pump the end of any kind of car is never ever a fun job. However, if you had actually to carry out this procedure for the first time, the Pontiac Sunfire, Chevy Cavalier and Cobalt make a good subject auto for your first attempt. With that said, regularly the best obstacle dealing with DIYers stays the amount of fuel in the tank.The an ext gas you get out, the much easier this job will be. Taking extra time to find a safe way to siphon the end the gasoline that"s finest for you i do not care time well spent. In fact, I never tried to remove the gas tank in my driveway unless that fuel reading comes in at well listed below a 4 minutes 1 tank.These plastic gas tanks are very lightweight v no fuel in them and the project to change the in tank module assembly i do not care much easier when you don’t have actually to deal with fuel sloshing around. The following step in our procedure is to provide the fuel tank strap retaining bolts a good soaking in a penetrating oil product prefer liquid wrench.

They make the gas tank straps making use of stainless steel and also they galvanize the retaining bolts. V that said, this hardware enjoys exposure to harsh conditions and it’s often an overwhelming to eliminate these bolts there is no powered tools.

After unhooking the 3 fuel lines and the big diameter fuel filler hose you deserve to use a floor jack to reduced the gas tank come the ground. At this point you want to discover some compressed wait or also a broom and completely, clean and dust the height of the tank prior to replacing the fuel pump module.

Do your finest to keep new dirt from entering the gas tank. And also while you’re in ~ it examine the remaining fuel for indicators of pollution or debris. Here"s vital note around the old sending unit that"s mounted in the gas tank. Lock spring load the sending out unit to organize the pickup screen against the bottom the the gas tank.

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This means when you eliminate the lock ring that the sending out unit jumps up in ~ you. In order come compensate this and also stop fuel native spilling, press down top top the facility of the old sending out unit as you relax the lock ring.Another necessary note prior to you put everything earlier together. The replacement Chevy Cavalier fuel pump kit often comes through a new four wire electric connector. Chevrolet made decision that the square layout connector they initially fit on the automobile permitted corrosion to get in the connection. Therefore, they have replaced this through a brand-new style flat, four wires, weather pack connector the does a much better job that protecting the electrical connection. This is not an area of the automobile you want to usage a crimp layout connector. Therefore, it’s recommended to solder on the brand-new pigtail connector and use warm shrink protection over the wire repair. Of food you desire to do any soldering and also heat shrinking far away indigenous the open up gas tank.

If you journey a Chevrolet Cavalier, Pontiac Sunfire or Cobalt you"ll want to review this article about how to deal with the clicking sound in the dash there is no replacing parts. Visit our Homepage to view what else we cover here.