Question about 2002 Nissan Sentra

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What is a generator belt and how much does it cost to get fix?

My battery warning light came on and my owners manual says that it could be the generator belt. The car starts up with no problem. How much does this normally run to get replaced?

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  • maemcgee Mar 10, 2009

    wheh i start my van up i can go back an forward but the steeringwheel is hard to turn

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Could be as simple as adjustment if no air conditioning on vehicle. Little more work if it does have A/C. Worse case scenario, it's not the belt but alternator/generator. Check belt condition & tension & go from there.

Posted on Dec 22, 2008

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If its the belt that is slipping then a new one is inexpensive, perhaps $10. The labor to it in can be a bit worse as some other belts or parts may need to be loosened or removed to get the new belt installed. Other problems can cause the symptom you describe including failure of the alternator itself. Rebuilt alternators are available if its that. You may also have a corroded connection between alternator and battery

Posted on Dec 22, 2008

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I have a '99 dodge grand caravan se, while in park the abs light came on, the battery light came on, and the check engine light has been on,


Looks like you have a few issues there.

1. The battery warning. This is indicative of a weak battery and if your battery is 3 years old or more I would replace it.

2. If you have a weak battery this can trigger other warning lights in the vehicle, typically the ABS warning but sometimes other warning lights as well depending on the electronic features in the car. If you replace the battery this should correct the battery warning and most likely the ABS warning if both of these warnings appeared at the same time.
Normally, once the ABS warning is displayed the anti lock braking system(ABS) will be shut down. Whilst your braking will be normal, if you brake too hard and lock up your wheels on a slippery road there is no ABS assist to prevent the brake lock up which you have when the system is working.

3. If the alternator on the engine is not generating sufficient power and thus not charging the battery at all, or very little, you will likely get a battery warning light. I don't know if your 1999 vehicle has a warning light to indicate a faulty alternator or not.

4. Check Engine Light.
You suggested the CE warning has been showing up for a few days and before the battery and ABS warnings popped up.
The CE warning can be caused by dozens of different engine issues.
The vehicle needs to be scanned with the appropriate scan tool to see what fault codes the onboard computer is generating because if you have a CE warning light there will be fault codes generated 99% of the time.

Once these fault codes have been pulled the mechanic can start to diagnose the cause of the problem or problems. Each engine fault code your car's computer is generating can be caused by different types of problems so it is important that they diagnose the issues correctly. Otherwise your Check Engine light will remain on as long as the causes are not identified and fixed.

Dec 29, 2015 | Dodge Cars & Trucks

1 Answer

What is causing the battery to drain?


Running the car will drain the battery it if it's not charging ! An if your charging light is on it isn't charging ! Did you check power an grounds on the alternator ? There is a single heavier wire on the back of the alternator, this should have battery voltage ! You may want to take this to a ASE certified repair shop !
Functionality
With the ignition switch in the RUN position, voltage is applied through the warning indicator I circuit 904 (LG/RD) to the voltage regulator. This turns the regulator on, allowing current to flow from battery sense A circuit 35 (OG/LB) to the generator field coil. When the engine is started, the generator begins to generate alternating current (AC) which is internally converted to direct current (DC). This current is then supplied to the vehicle's electrical system through the output (B+) terminal of the generator.
Once the generator begins generating current, a voltage signal is taken from the generator stator and fed back to the regulator S circuit 4 (WH/BK). This voltage feedback signal (typically half the battery voltage) is used to turn off the warning indicator.
With the system functioning normally, the generator output current is determined by the voltage of the A circuit 35 (OG/LB). The A circuit 35 (OG/LB) voltage is compared to a set voltage internal to the regulator, and the regulator controls the generator field current to maintain the correct generator output.
The set voltage will vary with temperature and is typically higher in cold temperatures and lower in warm temperatures. This allows for better battery recharge in the winter and reduces the chance of overcharging in the summer.
Battery Positive Output (B+) Circuit 38 (BK/OG)
The generator output is supplied through the battery positive output (B+) terminal on the back of the generator to the battery and electrical system.
I Circuit 904 (LG/RD)
The I (ignition) circuit 904 (LG/RD) is used to turn on the voltage regulator. This circuit is powered up with the ignition switch in the RUN position. This circuit is also used to turn the charging system warning indicator on if there is a fault in the charging system operation.
A Circuit 35 (OG/LB)
The A (battery sense) circuit 35 (OG/LB) is used to sense battery voltage. This voltage is used by the regulator to determine generator output. This circuit is used to supply current to the generator field (rotor). The amount of current supplied to the rotor will determine generator output.
S Circuit 4 (WH/BK)
The S (stator) circuit 4 (WH/BK) is used to feed back a voltage signal from the generator to the regulator. This voltage is used by the regulator to turn off the charging system warning indicator. The S circuit is fed back externally on external mounted regulator generators.
Visual Inspection Chart Mechanical Electrical
  • Battery case, posts, hold-down clamp, cables and connections
  • Generator drive (serpentine) belt for condition and tension to make sure there is no slip between the belt and the pulley. For additional information, refer to Section 303-05 .
  • Battery charge
  • Generator pulley
  • Battery junction box (BJB)Mega Fuse
  • Battery junction box fuse:
    • 11 (20A)
  • Central junction box (CJB) fuse:
    • 30 (30A)
  • Circuitry
  • Charging system warning indicator
  • Cables
  1. Check the operation of the charging system warning indicator lamp (instrument cluster). Normal operation is as follows:
    • With the ignition switch OFF, the charging system warning indicator should be OFF.
    • With the ignition switch in RUN and the engine off, the charging system warning indicator light should be on.
    • With the engine running, the charging system warning indicator light should be off.
  1. Verify the battery condition. Refer to Section 414-01 .
Normal Charging System Voltages and Charging System Warning Indicator Operation Ignition Switch Position A Circuit 35 (OG/LB) S Circuit 4 (WH/BK) I Circuit 904 (LG/RD) Generator B+ Circuit 38 (BK/OG) Battery Engine to Battery Ground Charging System Warning Indicator Operation OFF 12 volts 0 volts 0 volts 12 volts 12 volts 0 volts Off RUN-engine off 12 volts 0 volts 1-3 volts 12 volts 12 volts 0 volts Illuminated RUN-engine running 13-
15 volts 1/2 battery voltage 13-
15 volts 13-
15 volts 13-
15 volts 0 volts Off
  1. If the customer concern is verified after the initial inspection, refer to the Symptom Chart to determine which tests to carry out.
    • The charging system warning indicator is on with the engine running (the system voltage does not increase)
    • Circuitry.
    • Voltage regulator.
    • Generator.
    • GO to Pinpoint Test B .
    Your whole problem is the alternator is not charging , a couple tests with a volt meter would tell you !

Aug 16, 2015 | 2001 Ford Expedition

1 Answer

2006 Buick lucerne; while driving "service battery


Test the alternator out put.. First check battery for voltage.. should be 12v or slightly better.. Start engine and check the battery again.. and it now should be 14= VOLTS.. IIF ITS NOT 14+THE ALTERNATOR IS POSSIBLY BAD.

Sep 06, 2014 | Cars & Trucks

1 Answer

Car won't start. it tries to turn over, but just doesn't .battery replaced several months ago so it's not that. The red "GEN" light pops up. Is that the generator signal? Manual doesn&


Interesting. They haven't used generators in over 50 yrs.
But yes that was the warning light for the generator.
If you have a volt meter that would tell you what the system is doing.
If the engine will not crank, and the battery is fully charged, you would need to check the connections at the starter for voltage and ground.
And the red warning lights would normally come on until the engine starts.

Jan 13, 2013 | 1996 Jeep Cherokee Sport

1 Answer

My battery warning light came on and my owners manual says that it could be the generator belt


In 1997, they have a serpintine belt, if this belt fails, you lose power steering as well. this would make the vehicul hard to steer. the belt is at the front of the engine. It also drives the water pump, over heating would occur. If these other simptoms are occuring, you have a belt problem. There are to other posible worn items. Alternator, and or battery. If the vehicul is starting it is not you battery. The alternator, should put out around 14 volts. hope this helps.

Dec 27, 2011 | 1997 Chevrolet S-10 Pickup

1 Answer

1998 ford escort altinator two bolt or three bolt? engine light is on brand new battery and the battery light is on . car just died when driving waited 7mins and it started .is it the altinator


check with volt meter. 12 volts with engine off. Should be 14 volts with engine running if alternator is working.
First, clean battery posts and cable ends. Then check owner manual for fuse locations and blown fuses. There is a large 100 amp fuse in box under hood.

Is the battery lamp lit on the dash?

Looks like 3 bolts. please rate when done

SECTION 414-02: Generator and Regulator 1998 Escort/Tracer Workshop Manual
REMOVAL AND INSTALLATION Generator -Sedan and Wagon Removal
  1. Disconnect the battery ground cable.
  1. Remove the generator drive belt.
    1. Release the tension on the drive belt.
    1. Remove the drive belt from the generator pulley.
  1. Disconnect the HO2 sensor harness clip from the generator bracket.

  1. Position the generator bracket aside.
    1. Remove the A/C line bracket bolt.
    1. Remove the power steering pressure line bracket bolts.
    1. Remove the generator bracket bolts.
    1. Position the generator bracket aside.
  1. Remove the generator bolts and position the generator aside.
  1. Remove the generator.
    1. Disconnect the two generator electrical connectors.
    1. Remove the battery positive nut and washer.
    1. Disconnect the battery positive cable and remove the generator.
step 4
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3 Answers

Electrical power system service required.....ABS warning light, generator warning light, brake failure...car stalled and wont't restart


usually caused by failed generator. Fix the generator and other lights will also extinguish. The car should jump start, but will not stay running without a charged battery. Recommend removing the generator and take to parts store for testing. Would you like instructions for removing generator?

Oct 17, 2010 | 2001 Volvo V70

1 Answer

Charge warning light is on manual states it could be generator belt. How much would this cost to repair?


it's a cheap job and easy to do, however why don't you check it before getting it fixed? if you don't know how ask a friend or neighbor, there are other reasons that can cause no charging, alternator or the alternator connections including the earth lead that is connected to the alternator to an earth point,

Mar 13, 2010 | 2002 Nissan Sentra

1 Answer

How to disable seatbelt alarm on 2003 F-150?


There is a procedure in the owners manual on page 110.

BeltMinder activation and deactivation procedure
1. Turn the ignition switch to the RUN (or ON) position. (DO NOT START THE ENGINE.)
2. Wait until the safety belt warning light turns off. (Approximately 1–2 minutes.)
• Steps 3–5 must be completed within 60 seconds or the procedure will have to be repeated.
3. Buckle then unbuckle the safety belt three times, ending with the safety belt unbuckled. This can be done before or during BeltMinder warning activation.
4. Turn on the parklamps/headlamps, turn off the parklamps/headlamps.
5. Buckle then unbuckle the safety belt three times, ending with the safety belt unbuckled
• After step 5 the safety belt warning light will be turned on for three seconds.
6. Within seven seconds of the safety belt warning light turning off, buckle then unbuckle the safety belt.
• This will disable BeltMinder if it is currently enabled, or enable BeltMinder if it is currently disabled.
7. Confirmation of disabling BeltMinder is provided by the safety belt warning light flashing four times per second for three seconds.
8. Confirmation of enabling BeltMinder is provided by:
• The safety belt warning light flashing four times per second for three seconds.
• Followed by three seconds with the safety belt warning light off.
• Once again, the safety belt warning light will flash four times per second for three seconds.
9. After receiving confirmation, the deactivation/activation procedure is complete.

If you did not get an owners manual with your truck ( purchased used ), you can download one from Ford :
https://www.fleet.ford.com/maintenance/owners_manuals/default.asp

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2 Answers

How to change alternator on 2005 Jeep Wrangler Unlimited?


Straight out of the repair manual:

REMOVAL
WARNING: DISCONNECT NEGATIVE CABLE FROM BATTERY BEFORE REMOVING BATTERY OUTPUT WIRE (B+ WIRE) FROM GENERATOR. FAILURE TO DO SO CAN RESULT IN INJURY OR DAMAGE TO
ELECTRICAL SYSTEM.
(1) Disconnect negative battery cable at battery.
(2) Remove generator drive belt. Refer to 7, Cooling System for procedure.
(3) Remove generator pivot and mounting bolts/nut (Fig. 2) , or (Fig. 3). Position generator for access to wire connectors.
(4) If equipped, unsnap plastic cover from B+ terminal.
(5) Remove B+ cable output terminal mounting
nut at rear of generator (Fig. 4), (Fig. 5), or (Fig. 6). Disconnect terminal from generator.
(6) Disconnect field wire connector at rear of generator by pushing on connector tab.
(7) Remove generator from vehicle.
INSTALLATION
(1) Position generator to engine and snap field
wire connector into rear of generator.
(2) Install B+ terminal to generator mounting
stud. Tighten mounting nut. Refer to Torque Specifications.
(3) If equipped, snap plastic cover to B+ terminal.
(4) Install generator mounting fasteners and
tighten. Refer to Torque Specifications.
CAUTION: Never force a belt over a pulley rim using a screwdriver. The synthetic fiber of the belt can be damaged.

Jul 05, 2009 | 2005 Jeep Wrangler

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