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1999 cavalier .. If I disconnect breather hose it's fine ,but if not , I can't add fuel

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Check and make sure the PCV valve is functional.

Posted on Oct 25, 2012


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Chevy cavalier questions

Sounds as if,the cavalier,may have an internal blown head gasket.

Apr 29, 2014 | 1999 Chevrolet Cavalier

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I'm trying to find the correct fuel pump psi for a

Key on, engine not running.........41-47 psi
Engine idling..................................
with pressure regulator hose connected.........31-44 psi
with pressure regulator hose disconnected........42-50psi

Aug 25, 2013 | Cars & Trucks

1 Answer

Evap system

The FSM is clear on this. each hose and fitting must be air tight.
or the the car vents gas fumes full time, and the EVAP ECU tests
(monitor) make sure this all works.
you can just look at the left and right side above rear tires. and see
if your hands are small enough to fit here. Id bet not.
some mech, report, the tank can be tilted down at front (drained fuel)
and gain access.
keep in mind, you get fuel siphoning at any time. do not open the system, with fuel in the tank, and then drive to autozone,
i loosen the gas cap so that pressure can not build in tank.
expanding fuel can push fuel out , during a filter change. very
dangerous in a garage, and you gone.
it's just a vent hose, you can see, it and what needs to be done is really obvious. given you arms sides and lenght.
my fsm states, " TANK pull"

Removal & Installation

  1. Relieve the fuel system pressure and disconnect the negative battery cable.
  2. Remove the fuel filler cap from the fuel tank.
  3. Have a Class B fire extinguisher near the work area. Use a hand operated pump device to drain as much fuel through the fuel filler neck as possible.
  4. Use a siphon to remove the remainder of the fuel in the tank by connecting the siphon to the fuel pump outlet fitting.
    CAUTION Never drain or store fuel in an open container because there is the possibility of a fire or an explosion.
  5. Reinstall the fuel filler cap.
  6. Remove the rear seat cushion from vehicle (if so equipped).
  7. Disconnect the fuel pump motor connector and sending unit electrical connectors.
  8. Disconnect the wire harness grommet and harness through the vehicle floor pan.
  9. Raise and safely support the vehicle.
  10. Remove the fuel filler hose clamp from the filler neck assembly.
  11. Remove the fuel breather hose clamp from the filler neck assembly.
  12. Remove the fuel filter inlet hose clamp and hose from the filter.
    NOTE A small amount of fuel may be released after the fuel hose is disconnected. In order to reduce the chance of personal injury, cover the fitting to be disconnected with a shop towel.
  13. Remove the fuel vapor clamp and hose, and fuel return hose clamps and hose from the respective fuel lines.
  14. Using a suitable transaxle jack, support the fuel tank.
  15. Remove the fuel tank retaining bolts and lower the tank.
To install:
  1. Reconnect all fuel hoses, lines and the fuel breather hose to the fuel tank.
  2. Place the fuel tank in its proper space using the transaxle jack, Install the fuel tank retaining bolts.
  3. Remove the transaxle jack.
  4. Reconnect all fuel hoses, lines and the fuel breather hose to the fuel tank.
  5. Install the fuel breather hose and hose clamp to the filler neck assembly.
  6. Install the fuel vapor hose and hose clamps. Install the fuel return hose and hose clamp to the respective fuel lines.
  7. Install the fuel filter inlet hose and hose clamp to the filter.
  8. Lower the vehicle. Install the wire harness and grommet through the vehicle floor pan.
  9. Connect the fuel pump motor and the sending unit connectors.
  10. Install the rear seat cushion. Reconnect the negative battery cable.

Mar 26, 2013 | 2002 Suzuki Esteem

1 Answer

Does a 1999 cavalier gas tank have an access panel

Unfortionally it doesn't but am guessing you need to replace the fuel pump assembly. I can tell you that your tank isn't all that hard to pull out providing you do have an assistant to help you. You only have 2 straps holding yours up. Dissconnect the line at the fuel filter and can leave the other end on the tank. The side you take off on the filter is a quick disconnect so it's easy. A hint that may help is to twist the line back and forth in order to remove dirt up in there which makes sqeezing the quick disconnects difficult at times. Blowing it with air helps too. Also when disconnecting, puch the line towards the filter and then sqeeze and pull.Then I think there are one or 2 other lines (also quick dissconnect) and then the filler tube and vent. Loosen the 2 straps, lower a bit with help and while it's coming down and you are able to reach the electrical connections, disconnect and drop the tank. One other litle tip is to be sure NOT to bend the straps up because it can make it a pain when trying to start the bolt when installing the tank back in the car. You may have known all this but just in case I thought I could help with a few tips.

Oct 24, 2012 | 1999 Chevrolet Cavalier

2 Answers

Changing the power steering fluid on a 2004 chevrolet cavalier your power steering hoses to your steering and disconnect and use a container to catch fluid,you can also loosen hoses at pump and put towel over hole and blow out line to get all fluid out,make sure when you blow , the other end is secure and fluid doesn't go every where,good to have another person helping.Here's a link on how to bleed.

Oct 17, 2012 | 2004 Chevrolet Cavalier

1 Answer

My 1999 Chevy Cavalier's fuel gage does not go above quarter even with a full tank. Why?

in my experiance with chevy's, it's the fuel pump that they use. most of the time you can simply go to a shop and have them adjust the float inside the fuel tank and you'l be fine, it is generally the same price as an oil change. what your describing could be answered by this. i hope this helps.

Sep 18, 2011 | 1999 Chevrolet Cavalier

1 Answer

1999 Cavalier Z24 P0300. Changed plugs, plug boots, and coil packs. Burning rich...

Sounds like you have a bad fuel pressure regulator.Take the vacuum hose off the regulator and look for fuel if there is fuel present replace regulator.But if you don't have in vacuum hose hook a fuel gauge up to fuel rail then start the engine look at reading on gauge now pull vacuum hose off and if pressure does'nt rise 5-10 psi replace pump.

May 08, 2011 | 1999 Chevrolet Cavalier

1 Answer

I need a diagram to replace a fuel tank on a 1987 vw cabriolet

1987 Volkswagen Cabriolet 1.8L FI SOHC 4cyl

1985-89 Scirocco and Cabriolet
  1. Disconnect the negative battery cable and drain the fuel tank.
  2. Remove the rear right wheel housing cover.
  3. Disconnect the large breather hose from the filler neck.
  4. Pull the gravity valve down leaving the hoses connected.
  5. Unbolt the fuel pump bracket from the body and lower the pump.
  6. Remove the fuel tank screw.
  7. Disconnect the fuel pump hose and pull the blue hose from the return line.
  8. Disconnect the brake hoses from both sides of the rear axle and plug them.
  9. Disconnect the rear axle from both sides of the body and allow it to swing down and rest on the handbrake cable guides.
  10. Unhook the rear muffler support lugs.
  11. Disconnect the filler hose from the tank.
  12. Support the tank, remove the tank fasteners and lower the tank enough to disconnect the fuel gauge sending unit wires and breather hoses.
  13. Remove the fuel tank.

To install:
If installing a new or used tank, make note of where the old foam strips were installed, and install new foam strips on the replacement tank in the same locations.
  1. Raise and support tank. Connect the small breather hoses and fuel gauge sending unit wires. Install the tank fasteners.

When connecting the breather hoses, position the hose clips so that they do not make contact with the body.
  1. Connect the filler hose to the tank and connect the rear muffler support lugs.
  2. Raise the rear axle off the handbrake cable guides and install.
  3. Connect the brake hoses and bleed the brakes.
  4. Connect the return line and fuel pump hose.
  5. Install the fuel tank screw.
  6. Raise the fuel pump and attach the fuel pump bracket to the body.
  7. Put the gravity valve back into its original (raised) position.
  8. Connect the large breather hose to the filler neck.

When connecting the breather hose, position the hose clip so that it does not make contact with the body.
  1. Install the right rear wheel housing cover.
  2. Fill the tank and connect the negative battery cable.


Fig. 1: Fuel tank assembly used on the Rabbit Pick-up. Other models are similar

Hope helps (remember to rate and comment this).

Sep 21, 2010 | Volkswagen Cabriolet Cars & Trucks

1 Answer

Removing tank

Disconnect battery ground cable. Loosen fuel filler cap. Support underneath of the fuel tank protector Disconnect evaporative fuel hose at the canister. Disconnect fuel feed hose and fuel return hose near the fuel filter. Plug both ends of the fuel hoses to prevent fuel leakage. Disconnect air breather hose and fuel filler hose at the fuel filler neck. Cover fuel hose to prevent any dust entering. Remove the four fuel tank assembly fixing bolts at four corners of the tank. Let down the tank and disconnect the wiring connectors Remove fuel tank assembly along with protectors Remove retaining cover and roll over & float valve along with the evaporative fuel hose and pipe Remove fuel pump and sender assembly by removing the snap ring with the fuel hoses Remove protectors by removing the six fixing bolts

Jun 12, 2009 | 1999 Isuzu Rodeo

1 Answer

My 1999 caviler has a new battery but has trouble starting

Try and remove the vacuum hose from the fuel pressure regulator and turn the key on if fuel comes out the regulator is leaking causing the engine to flood when it sits.

Jan 07, 2009 | 2004 Chevrolet Cavalier

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