Question about 1998 Chevrolet Cavalier

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Exhaust system leak?

My vehicle's entire exhaust system is hanging about 3" off of the bottom of the car. It is secured with some wire randomly down the length of the pipe. I have noticed a weird almost gas like smell after driving or during a long drive and now tonight the check engine light came on. There is no noticeable difference in how it drives just that it is a bit louder and the smell is more pronounced now. Anyone have any ideas? All of those store that do the code reading around here are closed

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  • 79 Answers

I wouldn't it 'till exhaust system is correctly done!!;dangerous gases will harm you & passengers!!. You could possibly patch it with special muffler patching stuff sold at auto parts store;careful though on what and how you're doing it.

Posted on Feb 12, 2014

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: recently i discover that my

If the problem was the gas cap It will take a while before the light goes out on it's own. The computer only runs it's test when conditions are right. And it has to pass at least twice before it request the light to turn off. If the light does not go out in a week or two you have another concern.

Posted on Jul 19, 2008

  • 7 Answers

SOURCE: 1993 Chevy S10 Blazer engine hesitation with smoke from exhaust

Had a 94 Olds Bravada that did a similar thing and it was EGR valve on the front of the intake. It' s easy to take off and clean with WD 40 and if you have an air compressor blow it out good.

Posted on Jan 24, 2010

  • 1201 Answers

SOURCE: Burning smell,check engine light-misfire, rough idle 96 cavalier

Sounds like there is a blown piston, to be sure have a compression test done on that #2 cylinder, if the reading is low, then you'll know.
A friend of mine had a 95 that did simular things only a little more,
it started smoking, dash lights flickered, etc. Finally, he had to get rid of it, the piston rod went through the engine block.

Posted on Feb 02, 2010

roniecon
  • 6826 Answers

SOURCE: 2005 chevy cobalt 2.2 is running rough (putting)

Number three cylinder is miss fire,it does not mean it is the coil,although it could be,remove the coil,and boot,and spark plug,inspect them to see if the plug,or boot look bad,replace the spark plug,and if the boot is burned or distorted,replace it,a fuel injector can cause a miss fire also,but change the spark plug and see if this solves the problem,if not replace the coil,if it is a dead miss,then the coil might be bad,as for the water in the fuel ,the cap is missing,,and 5 dollars worth of HEET will not hurt,also,fuel from the fuel station,can have water in it.It happens a lot.

Posted on Apr 03, 2010

  • 1608 Answers

SOURCE: 2001 chevy express van 3500 while driving security light comes on

You need to get the codes from the theft deterrent module.Usually a B2960.This will help in the diagnosis of the problem.Hope this helps.Good luck.

Posted on Apr 07, 2010

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1 Answer

Random misfire cylinder 3


Smoke test entire vehicle for vacuum leaks

You don't have any idea where the misfire
is from, at this point,find out

You installed parts

That is not what you do,you diagnose & find
the cause of the misfire,no parts involved there

You don't have the professional tools or software
at home, to diagnose without wasting time & getting
no where

Could have a bad intake gasket or mechanical problem
in one cylinder

Apr 04, 2013 | 2001 Chevrolet Silverado 1500

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I have a 1996 Plymouth voyager with a 3.0 liter. engine an it is a v6. My question is it is throwing a p0300 code , of which I am aware it is a random misfire. but they y does it act like my fuel pump is...


Random Misfires on start up
You can disregard the PO300
& work on the misfire issue in general

Ignition misfires
Vacuum leaks
Egr system
Evap leaks
Exhaust leaks
Spark plugs
Mechanical timing
Mechanical engine wear or damage

The entire engine has to be tested

There is a general long list that can be
shuffled some,but it would take several hours
of testing with professional tools to just find the problems

I only mentioned a few areas

That is what the few ASE Master Technicans with Level 1
driveability skills do

If your dealing with fuel pressure issues, the new pump
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If it doesn't, given the vehicles age, I would say wiring
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Mar 09, 2013 | Cars & Trucks

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2006 buick lucerne jerks when i start going


Change Spark Plugs---every 3 years
Clean MAF Sensor--- twice a year
Change Oxygen Sensors (front ones) at 100,000 miles
Check for cylinder misfires
Back Probe & check TPS Sensor Voltages
New Air Filter & Gas Filter ---every 3 years
Check for Vacuum Leaks on entire vehicle including
Evap System,Exhaust before converter & Intake

I assume no check lights as you didn't mention it

Dec 04, 2012 | 1994 Ford Taurus

1 Answer

Exhaust fume in cabin


Get out of cabin! Somehow some way you have a leak in your exhaust sytem that is making it's way into the car. Or you have a situation where your setup allow exhaust in to car. If exhaust is trapped under car body because the tip isn't directing the gas away from vehicle, it may be collecting and entering vehicle. Fix exhaust system and direct fumes away from car. If you have fumes in cabin regularly, that is deadly. If you have an SUV or some kind of car/truck with a back window that rolls down (4-Runner or Tahoe, etc.) or opens into cabin space and the exhaust is under it, it may be being sucked into vehicle. Move exhaust tip. Check for leaks under car or an area where exhaust could build up or both as well. If your exhaust stayed in the system till the end and is directed away from car, this should'nt happen. Your manifold(s) leaking or something as well? Check from manifold(s) to tip(s) for major leak. Make sure exhaust is making it out the end of the system and away from vehicle. Don't be driving kids around in exhaust filled car or anyone for that matter. Hope this helps.

Jan 30, 2010 | 1996 Toyota Corolla

1 Answer

How do i change a water pump in a 97 grand am with a 2.4 litre engine


2.4L Engine
See Figure 3
  1. Disconnect the negative battery cable.
  2. Drain and recycle the engine coolant.
  3. Disconnect the oxygen sensor wiring.
  4. Remove the upper exhaust manifold heat shield.
  5. Raise and safely support the front end of the vehicle securely on jackstands.
  6. Remove the exhaust manifold brace bolt.
  7. Unbolt and remove the lower exhaust manifold heat shield.
  8. Break loose the manifold-to-exhaust pipe spring loaded nuts.
  9. Unbolt the radiator outlet pipe assembly from the water pump cover.
  10. Disconnect the exhaust pipe from the manifold.
  11. Pull down and back on the exhaust pipe to disengage it from the exhaust manifold bolts.
Do not rotate the flex coupling more than 4°. this could damage the component.
  1. Separate the radiator outlet pipe from the oil pan and transaxle.
    1. On manual transaxle, remove the exhaust manifold brace.

  2. Next, leave the lower radiator hose attached and pull down on the outlet pipe to detach it from the water pump. Allow the outlet pipe to hang.
  3. Lower the vehicle.
  4. Remove the exhaust manifold-to-cylinder head nuts.
  5. Extract the manifold, seals and gaskets.
  6. Remove the timing chain cover. Refer to the procedure later on in this section.
  7. Remove the timing chain tensioner. Refer to Timing Chain removal later in this section.
  8. Unbolt the water pump from the cylinder block.
  9. Extract the pump assembly-to-timing chain housing nuts.
  10. Remove the water pump and cover assembly.
  11. Separate the pump from the cover.
  12. Clean all mating surfaces of gaskets and sealant materials.

To install:
Prior to installing the water pump, read the entire procedure. Pay special attention to the tightening sequence to avoid component damage and ensure a proper seal.
  1. Attach the water pump to the cover and hand-tighten the components.
  2. Lubricate the splines of the water pump drive with chassis grease or equivalent, then install the pump and cover assembly. Hand tighten the cover-to-block bolts.
  3. Install the pump-to-chain housing nuts and hand-tighten.
  4. Lubricate the O-ring on the radiator outlet pipe with an anti-freeze solution and slide the pipe into the water pump cover, install and hand-tighten the bolts.
  5. With the specified gaps, tighten in sequence as follows:
    1. Pump assembly-to-chain housing nuts
    2. Pump cover-to-pump assembly
    3. Cover-to-block, bottom bolt first
    4. Radiator outlet pipe assembly-to-cover

  6. Install the exhaust manifold using new gaskets.
  7. Install the manifold-to-cylinder head nuts, follow the tightening sequence and tighten to specifications.
  8. Raise and support the front of the vehicle.
  9. Index the exhaust manifold-to-exhaust pipe flange bolts.
    1. Turn bolt bolts in evenly to avoid cocking the exhaust pipe and binding the bolts. Turn the bolts in until they are fully seated.

  10. Install and secure the radiator outlet pipe to the transaxle and oil pan.

On manual transaxles, install the exhaust manifold brace.
  1. Install the timing chain tensioner and chain cover.
  2. Attach the lower heat shield.
  3. Lower the vehicle.
  4. Attach the exhaust manifold brace. Tighten the manifold-to-exhaust pipe nuts to specification.
  5. Attach and secure the upper heat shield.
  6. Connect the oxygen sensor wiring.
  7. Fill the radiator with coolant water mixture until it reaches the heater hose coolant outlet, then install the hose and continue to fill. This will assist with the complete cylinder block fill.
  8. Connect the negative battery cable.
  9. Start the engine and top off the cooling system and check for leaks.
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Dec 28, 2009 | 1997 Pontiac Grand Am

1 Answer

I have a vsc light and vsc light off on too,plus it idles really low like it's going to die but doesn't,it has a awful rattling sound coming from exhaust somewhere. the cat.converter has been changed and...


I would look under the car mid way for an exhaust leak.There will be an oval shaped clamp with 2 studs about 3`` apart on the side of the catalytic converter holding a wired sensor in place. Check to see if you have an open exhaust sensor port or burned out gasket with your sensor hanging off the pipe. If so the sensor has vibrated loose and is sucking in fresh air and throwing off the emission sensors in the engine. If the sensor is hanging off and you drive, the wiring could break and you might lose the entire device.$$$$
I was driving my RX300 last week and it literally just started to sputter and the sensor fell off the studs, the nuts had rotted off from heat... Easy fix for me luckily a gasket and 2 new studs , but I had to have the dash lights reprogrammed ans well.
Please post back to advise

Dec 08, 2009 | Lexus ES 300 Cars & Trucks

1 Answer

2004 jeep liberty replacing the starter


2004 Jeep Liberty 4WD 3.7L MFI SOHC 6cyl
Starteer - Removal & Installation

2.4L & 3.7L Engines
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Disconnect the negative battery cable.
  3. Remove the starter mounting bolts.
  4. On the 3.7L engine, the left side exhaust pipe and front driveshaft must be disconnected.
  5. Disconnect the starter solenoid harness connections.
  6. Remove the starter.
To install:

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Fig. Starter mounting: 2.4L engine

1ab95e7.jpg

Fig. The starter position for the 3.7L engine
  1. Connect the starter solenoid wiring connectors.
  2. Install the starter and torque the bolts to 40 ft. lbs. (54 Nm).
  3. On the 3.7L, the left side exhaust pipe and front driveshaft.
  4. Install the negative battery cable and check for proper operation.

2.8L Engine
  1. Disconnect and isolate negative battery cable.
  2. Raise and support vehicle.
  3. Disconnect solenoid wire connector from solenoid terminal
  4. Remove battery cable from stud on starter solenoid.
  5. Remove 3 starter mounting bolts.
  6. Remove starter from transmission bellhousing.
To install:
  1. Position starter motor to transmission housing.
  2. Connect battery cable solenoid terminal wire harness connector to connector receptacle on starter solenoid. Always support starter motor during this process. Do not let starter motor hang from wire harness.
  3. Install battery cable eyelet terminal onto solenoid B(+) terminal stud.
  4. Install nut securing battery cable eyelet terminal to starter solenoid B(+) terminal stud.
  5. Refer to torque specifications.
  6. Position starter motor and install 3 bolts. Tighten 3 bolts in this sequence: top bolt, bottom bolt, middle bolt. Refer to torque specifications.
  7. Lower vehicle.
  8. Connect negative battery cable.

Also can review the Service Repair Manual for Jeep KJ Liberty

I really hope help you with this (remember rated this help) Good luck.

Oct 04, 2009 | 2004 Jeep Liberty

2 Answers

How to replace the water pump on 1993 oldsmoblie achieva.


2.4 enigine is the harder of the 3 enignes. it will need a timing chain to be removed and a coolant tube in the back of the engine to be removed. this job on the book calls for almost 7 hours.

if its 3.3 or 3100 its alot easier.

3100 is just 4 10mm pulley bolts and 5 or 6 small 8mm water pump bolts.

3.3 is alittle more work, but same concept as 3100 engine. more owkr only cause its in a tighter area.

good luck,
michael

Apr 29, 2009 | Oldsmobile Achieva Cars & Trucks

1 Answer

How to replace/remove both catalytic converters


Below are the steps needed to remove the catalytic converters. You may be able to first remove the band clamp from between the converter and the exhaust manifold, then loosen the rest of the system and to get enough clearance to slide the converter towards the front of the vehicle but you will need to first remove the clamp that holds the converter to the rest of the exhaust. Hope this helps
_______________________
Both Catalytic Convertors

First you need to raise the vehicle.

Next, you need to pry the insulators from the support brackets and support the muffler and tailpipe with jackstands.

Then, loosen the the catalytic converter down pipe-to-front resonator clamps and separate the front resonator from the converter down-pipes. Carefully lay the free laying exhaust on the ground.

______________________
Right Catalytic Converter

Then, remove the down-pipe-to-transaxle bracket nut, loosen the clamp and separate the extension pipe from the converter.

Next lower the vehicle and remove the air filter and intake ducts. Disconnect the wiring harness for the O2 sensor and the remove the sensor.

Finally loosen the band clamp at the exhaust manifold and remove the converter from the engine compartment. You may need to replace these clamps after removal because you need to pry it apart and they will leak when you reinstall.

_____________________
Left Catalytic Converter

Now disconnect the wiring harness for the O2 sensor and the remove the sensor.

Next remove the down-pipe-to-transaxle bracket nut

Finally loosen the band clamp at the exhaust manifold and remove the converter from the engine compartment.

Apr 22, 2009 | 1999 Dodge Intrepid

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