Question about 2002 Acura RSX

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2002 Acura Rsx Type S With No Alternating Charge To The Battery. The alternator is brand new. New tensioner & Pulley Belt. Battery Was Charged. Ran for about 25 Miles Till It Died Again. Chokes on Take Off. Radio Turnes Off. Lights Dim. Till Car Cant No Longer Move.

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Look at your charging fuse

Posted on Jul 16, 2009

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My 2002 Yukon Denali alternator wont spin


Defective alternator , replace and check tensioner , and tensioning of belt .

Jan 22, 2013 | 2002 GMC Yukon Denali

1 Answer

Alternator


Vehicles: any failing to keep its battery charged.

A vehicle unable to charge its own battery has one of 4 problems:
(a) alternator failure
(b) voltage regulator failure
(c) battery failure
(d) wiring problem between battery and alternator/voltage regulator.

One most modern vehicles (including 2002 Lexus RX300 - 2WD and AWD), the voltage regulator is an integral component of the alternator and is not separately serviceable.

In the US, one can get a free "charging system diagnosis" from the popular auto parts chains: AutoZone, Advance Auto Parts & Pep Boys. You needn't remove any parts from the car to get this diagnostic, since they can attach a diagnostic meter to the charging system in the parking lot. This diagnostic aid will tell you exactly which component has failed - battery, alternator or voltage regulator.

In case the vehicle is immobile, one can DIY (do it yourself) the diagnosis.
(a) inspect the wiring for corrosion/loose connections/loose connectors/etc.
(b) check alternator belt/pulley - if drive belt is properly turning the alternator pulley (no slippage/misrouting/etc.), then the mechanical tests are complete, and you'll need to continue testing the electrical performance of the charging system components.
(c) first component to test: battery
DIY test 1: remove battery from car and put battery on a 120VAC automotive battery charger and charge it fully (or just check it in the car with motor off, since the car's charging system is a type of automotive battery charger).
test parameter: a fully charged lead-acid automotive battery should read 12.45 volts on a VOM/DMM
DIY test 2: disassemble battery out of car after driving it to one of the auto parts chain stores (Advance/AutoZone/Pep Boys) for a free battery test. These testers will test the battery under load, which is not possible with just a DMM.
(d) if wiring is good, and battery tests good under load, then
the failed component is the alternator/voltage regulator - by process of elimination.
(e) DIY test 3: direct alternator/voltage regulator test (car must start and idle successfully to perform this test)
Start the car, and put a VOM/DMM across the terminals of the battery. Since the car is running, you'll be reading the output voltage of the alternator and not the output voltage of the battery. The acceptable ranges for alternator/voltage regulator output are:

ALTERNATOR CHARGING VOLTAGE

Most alternators that are charging properly should produce a voltage of about 13.8 to 14.2 volts at idle with the lights and accessories off. Always refer to the vehicle manufacturer's specifications. Many Asian vehicles, for example, have higher charging voltages of around 15 volts.

When the engine is first started, the charging voltage should rise quickly to about two volts above base battery voltage, then taper off, leveling out at the specified voltage.

The exact charging voltage will vary according to the battery's state of charge, the load on the vehicle's electrical system, and temperature. The lower the temperature the higher the charging voltage, and the higher the temperature the lower the charging voltage. The "normal" charging voltage on a typical application might be 13.9 to 15.1 volts at 77 degrees F. But at 20 degrees F. below zero, the charging voltage might be 14.9 to 15.8 volts. On a hot engine on a hot day, the normal charging voltage might drop to 13.5 to 14.3 volts.

Here are the full specs for installation of the 2002 Lexus RX300 alternator - you may be able to check these specs yourself (with a torque wrench), or pass them along to your mechanic.

Note: the VIN 8th digit should be "F" for the 2002 Lexus RX300 (2WD & AWD)

2002 Lexus RX300 (2WD and AWD) - 3.0L Engine, VIN "F" SFI DOHC

Alternator

Drive belt. Tension the belt to 170-180 lbs. for a new belt or 95-135 lbs. for a used belt.
Adjusting alternator lockbolt. Tighten the bolt to 13 ft.-lbs. (18 Nm).
Alternator pivot bolt. Tighten the bolt to 41 ft.-lbs. (56 Nm).

Glossary of acronyms
--------------------------------
DIY = do it yourself
DMM = Digital Multimeter
DOHC = Dual Overhead Cam
SFI = Sequential Fuel Injection
VOM = Volt Ohmmeter

References
----------------
How to test a Car Alternator - todayifoundout.com

Alternator & Charging System Checks - aa1car.com

Dec 26, 2011 | 2002 Lexus RX 300

1 Answer

How to change an altanator on a 2004 kia optima


The KIA Optima uses a 12 volt charging system with an alternating generator and a frame-grounded starting battery. The alternator is a smaller unit with an internal voltage regulator. The bushings, windings and regulator may wear out and fail, requiring replacement. The average backyard mechanic can change the alternator in a KIA in about an hour.
Things You'll Need
1.Socket set
2.Floor jack
3.Lug wrench
4.Screwdrivers
5.Crowbar
Instructions:
1.Disconnect the battery's positive terminal bolt by turning it counterclockwise. Set it away from the terminal.
2.Jack up the Optima and remove the front passenger side wheel by turning the lug nuts counterclockwise using the lug wrench. Set the wheel and tire aside.
3.Remove or fold aside the wheel well cover by turning the small screws counterclockwise and gently pulling it from the retainer clips. This will give access to the engine.
4.Push on the belt tension pulley until the belt loosens, then pull the belt off of the alternator's pulley wheel. The belt can be left hanging in place.
5.Turn the alternator's bolts in a counterclockwise direction using the socket wrench. A smaller wrench head may be required for the tight space.
6.Pull the alternator free by wiggling it out of the mount.
7.Position the new alternator into the mount and secure the bolts that hold it in place.
8.Push on the belt tension pulley to give enough slack to wrap the belt around the alternator's pulley wheel.
9.Restore the wheel well cover by pushing it onto the clips and securing the screws.
10.Replace the wheel by tightening the lug nuts in a clockwise direction, alternating the pressure of opposing bolts. This sets the wheel better than tightening all of the nuts in a circle.
11.Lower the Optima onto the ground, and reconnect the battery.

Oct 24, 2011 | 2004 Kia Optima

1 Answer

Remove and replace alternator


Hello,

Just follow these steps to remove and replace the alternator. You will need this tools, Serpentine belt tool, Battery wrench, Lug wrench, Floor jack, Jack stand, Socket set,

  1. Open the hood, locate the serpentine belt tensioner and move the tensioner off the
    serpentine belt with the serpentine belt tool. Slip the belt off the tensioner
    pulley with your other hand and then slowly move the tensioner back to its normal
    position. You can pinpoint the location of the belt tensioner by following the belt
    routing diagram, printed on the fan shroud.
  2. Disconnect the negative battery cable from the battery with the battery wrench.
    Push the cable end away from the battery so it doesn't make contact during the
    repair.
  3. Turn the lug nuts on the right-front wheel counterclockwise until they're loose
    enough for hand removal, but leave them on for now.
  4. Lift the right-front end with the floor jack and support it on a jack stand placed
    underneath the right-front frame. Remove the lug nuts and right-front wheel by hand
    and set them aside.
  5. Slip the serpentine belt off the alternator pulley by hand. You can access the
    alternator through the wheel well. Unplug the wiring harness from the alternator
    by hand and remove the ground strap with your socket set.
  6. Remove the alternator mounting bolts with your socket set. Lift the alternator out
    of the engine well, through the wheel well. Insert the new alternator in reverse of
    how you removed the old one.
  7. Thread the alternator mounting bolt through the new alternator and into the
    alternator bracket by hand. Tighten the bolts with your socket set.
  8. Attach the alternator ground strap with your socket set. Plug the alternator
    wiring harness in by hand.
  9. Slip the serpentine belt over the new alternator pulley. Reinstall the wheel and
    lug nuts by hand. Lower the Taurus of the jack stand with the floor jack.
  10. Move the belt tensioner aside again and place the belt on the tensioner pulley with
    your free hand. Hold the belt on the pulley and slowly move the tensioner back to
    its normal position. Reconnect the negative battery cable to the battery.
Hope this helps you.
Take care and good luck

Jan 08, 2011 | 2002 Ford Taurus

1 Answer

Free belt diagram 2002 cadilac sevelle


I don't think you'll find a free belt diagram for the 2002 Cadillac Seville, but you don't need one.

If you have a serpentine belt, just lead the belt around the pulleys until the last one is the tensioner.

Note, that one can match the smooth outer part of the belt with the smooth pulley, and the grooved part of the belt with the grooved pulley, one by one, alternating until you're at the tensioner.

It really is that easy. That's why you won't find a free belt diagram for it, because it's assumed that one can do this without it.

Aug 20, 2010 | 2002 Cadillac Seville

3 Answers

I replaced the serpentine belt on my 2002 accura rsx type s it sqeaks and seems loose is there any way to tighten it....tks


The tentioner should keep the belt at the right tention. Are you sure its the belt? I had some squeaking in my 05' RSX and replaced the Tentioner Pulley and the squeaking went away. Maybe this could be the same case. Hope this helps.

May 10, 2010 | 2003 Acura RSX

1 Answer

I replaced the serpentine belt on my 2002 accura rsx type s it sqeaks and seems loose, is there any way to tighten it....tks


I don't Have a manual for this. But in most cases with A serpentine belt the belt trencher is automatic and could be Warren out other then that look see if a pulley bearing could be getting bad .it is also possible you got a defective belt Hope this helps.

Mar 18, 2010 | 2003 Acura RSX

1 Answer

98 dodge caravan alternator how to change


remove the negative battery cable from the battery. loosen the serpentine belt by using an open-end box wrench and pull the tension pulley back (it's spring loaded, so be careful) by the bolt, remove the belt from the alternator and the tension pulley, then slowly let the tension pulley loose. remove the nuts holding the wires on to the alternator. remove the bolts from the alternator mount, and remove the alternator. put the new one on and hand tighten all of the bolts. then tighten them down with a wrench. put the belt back on the alternator pulley and make sure it's on all of the other pulleys and wheels except the tension. use the wrench again and pull the pulley towards you with your right hand and put the belt under the pulley with your left, and let the pulley go back. reconnect the wires to the alternator and then the battery. **warning** make sure that the battery is fully charged before you start the car with the new alternator, or you'll cause "alternator death" and void your warranty.

Dec 13, 2009 | 1996 Dodge Caravan

1 Answer

Alternator


Disconnect battery, disconnect altenator wire harness. Remove bolts and pull out altenator. When reinstalling new altenator, there should be an adjustable pulley called tensioner pulley that will either have to be pulled up or pushed down in order to put belt back on.

Jun 03, 2009 | 1992 Acura Legend

1 Answer

2002 Acura RSX type S wont start


If you heard a click when you cranked it, that's usually a dead battery. But, you need to check the oil level. I've had 2 RSX's that jumped time because the oil level dropped too low.

The tensioner on the timing chain is hydraulically controlled, if the oil level drops the tensioner looses tension and the chain jumps time. Its an extensive and expensive repair.

Sep 17, 2008 | 2002 Acura RSX

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