The Chevy Cavalier fuel pump trouble remains a common occurrence ~ above this popular entry level automobile. In fact, fuel pump fail is so typical in the Cavalier, Cobalt and Pontiac Sunfire that world rush right into the repairs there is no confirming the root cause of the problem.

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In some situations I see civilization talking about replacing the fuel pump ~ above a Cavalier and asking for more assistance about why this didn"t deal with the stalling and also hard beginning issue. On an ext than one chance I"ve found a totally plugged fuel filter ~ above a Sunfire, Cobalt or Cavalier the recently had a fuel pump go out.In some scenarios once the fuel pump self-destructs internally the creates small pieces of rubber and also plastic debris. What"s left the the pump pushes these pieces into the fuel filter. Although these fuel filters space of the easy to replace canister form variety, auto owners regularly forget around them.

General motors says you should replace these fuel filter every 30,000 miles. I"ve seen original equipment, fuel filters, as shown by a purple dot mounted from the factory, with more than 100K mile on it. A clogged gas filter deserve to take out an aging electric pump. Furthermore, in the old days we would never ever replace any type of fuel pump there is no replacing the filter.

Unfortunately, things in the automotive business change and no everybody see"s things the means we use to. Therefore, it’s not unheard the for also professional mechanics to change a fuel pump without addressing this maintenance item. In mine opinion, this continues to be the number one cause of repeat failures once replacing the gas tank fuel module assembly.If we pressure the brand-new impeller to push against a clogged fuel filter it significantly reduces the expectancy of the instead of parts. In this brief write-up we"ll talk about how to get the diagnosis right once you think you have a Chevy Cavalier fuel pump problem. In addition, we"ll talk about some the the replacement parts that are temptingly inexpensive. And finally we"ll talk about the instead of procedure that the fuel pump itself.

How to Diagnose Fuel Pump Problems

When human being ask me how to diagnose fuel pump troubles they"re often immediately disappointed v my answer. To answer the question of how can I verify the fuel pump has failed is to check it. This method energizing the unit and reading the press output developed by the turn impeller within of it.Do-it-yourself minded auto mechanics don"t like when the an initial step that diagnosis contains the acquisition of a crucial tool they don"t right now have in stock. The good news is that a committed fuel pressure gauge that supplies a quick connect Schrader valve installation remains obtainable for acquisition in the $40 range.Here"s the beautiful part about connecting this test gauge come the fuel rail and also cycling top top the ignition key. Not just do you gain to view if the pump is running, however you likewise get to check out the calculation pressure. If your test gauge shows any type of pressure in ~ all, that means the entire electric side of the fuel pressure circuit remains totally operational.

In other words, by cycling the crucial you simply tested the energize or command signal indigenous the computer, the fuel pump relay and every one of the wiring up until the in tank module. Quick sidebar: if the push reads zero, then you need to test because that power and also ground in ~ the four wire connector. If you can hear the motor to run or have the right to verify ideal electrical procedure then the fuel pressure test the zero speaks volumes around your next step in diagnosis. However, before we drop the gas tank and further inspection the pump, it"s time to locate the fuel filter.

Unfortunately, ~ above an entry level automobile like the Chevy Cavalier a fuel filter is often ignored. I"ve written an article about how to diagnose a clogged fuel filter. With that said, a totally clogged filter can also damage the fuel pump assembly.

When us tell the pump to build pressure and push versus a blockage, it can physically ruin the breakable impeller operation by the electric motor. If we find a clogged fuel filter it"s time to replace that tune-up and maintenance component and then retest the fuel pressure. The fuel pressure reading ~ above a Chevy Cavalier from the version year 2000 through 2005 should register over 55 psi.

Chevrolet Fuel Pump replacement Parts


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Chevy Cavalier Fuel Tank Removal

Replacement the the in tank module assembly that has the electric pump remains a typical procedure for plenty of different years, makes and also models. The surprising part about the repairs becomes the amazing difference in the cost of the instead of parts. I understand that auto components cost an ext at the dealership, yet in the fuel pump group I see large discrepancies.In most situations a Chevrolet components department charges price +30% on individual auto parts. However, if I call a dealership for a instead of gas tank module I absolutely pay an ext than that. One of my replacement tips is to use a quality replacement part. This is simpler said 보다 done. I"ve bring away a opportunity on different aftermarket brands and also to this date we"ve been lucky.There"s an additional important point to mention about replacement parts. This specifically uses to the Chevy Cavalier Pontiac Sunfire, grand Am and Chevrolet Cobalt models. Most of the aftermarket replacement Chevy Cavalier fuel pump modules include a brand-new fuel tank press sensor. Failure of the general Motors fuel tank press sensor i do not care yet another common issue with their sedan and also coupe models.

Chevy Cavalier Fuel Pump Installation

Pulling the fuel pump out of any type of car is never a fun job. However, if you had to execute this operation for the very first time, the Pontiac Sunfire, Chevy Cavalier and Cobalt make a an excellent subject vehicle for your first attempt. With that said, regularly the biggest obstacle encountering DIYers continues to be the quantity of fuel in the tank.The an ext gas you get out, the easier this job will be. Acquisition extra time to find a safe means to siphon the end the gasoline that"s best for you becomes time fine spent. In fact, I never tried to remove the gas tank in my driveway unless that fuel analysis comes in at well below a quarter tank.These plastic gas tanks are extremely lightweight through no fuel in them and also the task to change the in tank module assembly i do not care much much easier when girlfriend don’t have actually to resolve fuel sloshing around. The next step in our operation is to provide the fuel tank strap retaining bolts a good soaking in a penetrating oil product favor liquid wrench.

They make the gas tank straps utilizing stainless steel and they galvanize the retaining bolts. V that said, this hardware enjoys exposure come harsh conditions and it’s often challenging to remove these bolts there is no powered tools.

After unhooking the 3 fuel lines and also the huge diameter fuel filler hose you deserve to use a floor jack to lower the gas tank to the ground. At this suggest you desire to discover some compressed air or also a broom and also completely, clean and dust the optimal of the tank prior to replacing the fuel pump module.

Do your best to keep new dirt native entering the gas tank. And also while you’re in ~ it inspect the continuing to be fuel for indications of air pollution or debris. Here"s critical note around the old sending unit that"s an installed in the gas tank. Castle spring pack the sending unit to organize the pickup screen versus 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 at you. In order to compensate this and also stop fuel indigenous spilling, press down on the center of the old sending out unit as you relax the lock ring.Another essential note prior to you put everything back together. The replacement Chevy Cavalier fuel pump kit regularly comes v a brand-new four wire electric connector. Chevrolet made decision that the square style connector they initially fit top top the automobile permitted corrosion to get in the connection. Therefore, they have replaced this v a new style flat, 4 wires, weather load connector that does a much better job that protecting the electric connection. This is not an area the the car you desire to use a crimp layout connector. Therefore, it’s recommended to solder top top the brand-new pigtail connector and also use warmth shrink security over the cable repair. Of food you want to do any soldering and also heat shrinking much away indigenous the open up gas tank.

If you journey a Chevrolet Cavalier, Pontiac Sunfire or Cobalt you"ll desire to read this article around how to settle the click sound in the dash there is no replacing parts. Visit ours Homepage to see what else we cover here.