Question about 1998 Mazda Millenia

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Replace alternator Is it an auto belt tension? does the alternator remove from the top or out the bottom?

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In order to remove it must go out the bottom of car, to do that you have to unbolt the 4 bolts holding AC compressor and position the AC compressor over to side -best you can to be able to get the alternator down and out. You have to follow the steps in the table shown below:
replace alternator - 23850843-cld1w30nam4pvdfzfn10ykwq-4-0.jpg

Posted on Dec 07, 2014


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Posted on Jan 02, 2017

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SOURCE: I need to remove the alternator from our 2.0 Litre

draw a diagram of the belt before you remove it then look on one of the idler pulleys for a spring loaded one then work out how to release the tension

Posted on Nov 29, 2009

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SOURCE: when i turn the air, heat or fan on i get a loud screech ac bel tensioner belt drive belt and alternator belt replaced?

It could be the clutch in the AC compressor is failing. If it completely locks up it will break your belt and likely cause the car not to run @ all. Get it checked out ASAP.


Posted on Oct 01, 2012

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How to tighten alternator belt on 1993 pathfinder

Four cylinder engine - loosen bottom pivot bolt on alternator, then loosen top bolt and pull the alternator away from the engine to tighten belt. When at proper tension, tighten top bolt to hold tension and tighten bottom pivot bolt.
Six cylinder engine - loosen the lock bolt at the bottom of the alternator, then use the adjustment bolt (perpendicular to the lock bolt) to tighten the belt tension. Once properly tensioned, tighten the lock bolt.

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before you test the alternator, you should make sure your battery is good and fully charged. auto zone, advance, oreilly, will test both the battery and alternator for free... but if you have a voltmeter... with the car off check the voltage in the battery.. should be around 12.25 to 12.50. Have someone crank the car and watch the voltmeter... when cranking if the battery drops much below 11 volts.. the battery should def be charged and tested.
if the car cranks.. take your voltmeter and hold to the battery.. while running the alternator should be putting out around 13.3 to 14.0 volts.. if you turn the headlights on and it drops below 13 or it isn't putting out at least 13 when running, alternator is most likely bad. disconnect your battery... Negative Cable First Always!! when you do this...when you loosen the positive cable is you slip and hit metal.. it wont ark and possibly fry some electronics...when you hook the battery back up... Positive Cable First Always..same reason..
majority of newer vehicles will just have one belt...serpentine drive belt.. find the tensioner pulley and insert tool and push tensioner back and remove serpentine belt... if you don't work on cars often... take a picture of how the belt was run for when you go to put it back me take a picture unless you do these repairs often. most alternators will have two bolts one on top and one on the bottom... and have a wire connection with an electrical plug and usually a small 10mm or 8mm nut holding wire on the back of alternator... remove wires... remove alternator bolts.. replace in reverse order.. when putting belt back on you need to push tensioner pulley back. Hook your battery back up POSITIVE FIRST ALWAYS! crank and check with your voltmeter... or go have a free test at a local auto parts store!

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1 Answer

How do I replace timing belt on 2000 Dodge Intrepid R/T v6-3.5 L high output engine. Is there a book or somthing that will guide with with everything I need to know to get it right

Thank you for the inquiry. change-1997-dodge-intrepid-3_5l-800x800.jpg

Disconnect the negative (black) cable from the battery.

Remove all accessories that are in the way of the timing belt cover. The Intrepid's 3.5 liter engine and small engine bay make for very cramped working conditions; it is thus necessary to remove all engine accessories so that you can properly work on the timing belt. Begin by loosening the tension bolt on the alternator with a belt tensioner, then use a socket wrench to remove the bolts on the water pump, air condition compressor and power steering pump.

Remove the four bolts on the top timing belt cover, using a socket wrench, then remove the cover.

Use a jack to lift the front end of the Intrepid and place the front end securely on two jack stands. Get underneath the engine.

Remove the three bolts on the bottom timing belt cover, using a socket wrench, then remove the cover.

Use the belt tensioner to put some slack into the timing belt, then remove the belt from the pulleys with your hands.

Line up the pulleys, so that the engine is at the top dead center and the two marks on the camshaft are lined up with the marks on the cams.

Place the new timing belt over the pulleys, making sure not to move any of the pulleys in either direction.

Use the tensioner to tighten the belt.

Reattach the top and bottom timing belt covers and secure them in place, using the bolts you had removed earlier.

Reattach all of the accessories you have removed (in any order), using a socket wrench. When done, place the belts over the pulleys and return tension to them by using the belt tensioner to tighten the tension bolt on the alternator.

Attach the negative (black) battery cable to the battery.

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How do you replace alternator on 1986 fiero gt

Remove negative battery cable. Jack up rear of car. Remove passenger side rear wheel. Loosen A/C compressor tension bolt. Remove A/C belt. Disconnect 2 wire plug and single wire bolted to back of alternator. Loosen alternator tension bolt. Remove alternator pivot bolt from up top of bracket. Wiggle out through bottom.

Reverse for install.

Good luck,

Rebel Faggioli

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1 Answer

Belt routing on a 1999 olds intrigue

Verbal description of the complete serpentine belt loop on a 99 Olds 3.5 V6:
This is from Benny 1345 ( - off the top of my head it sounds right:
Top of CAM to top of ALTERNATOR - bottom of ALTERNATOR to top of nearby (front) PULLEY - bottom of PULLEY to top of A/C COMPRESSOR - bottom of COMPRESSOR to bottom of CRANK - top of CRANK to bottom of middle PULLEY - top of middle PULLEY to bottom of rear TENSIONER - top of TENSIONER to back to top of CAM.
Remember the serpentine belt has ribs on only one side, the ribs face AWAY from the two guide pulleys and TOWARD the pulleys on the Alternator, Compressor, Crank, Cam and Tensioner. You should tell by the pulley being smooth or ribbed as needed.

Apr 20, 2010 | 1999 Oldsmobile Intrigue

1 Answer

Changing the alternator and surpine belt

The tensioner pulley is toward the front of the car, best reached underneath (I had my car up on ramps when I did the replacement, which was a god idea) - I think it is a 13mm wrench used to move pulley toward the back of the car to loosen the serpentine belt.
Then slid the belt from around the alternator pulley so that the alternator could be removed.

The alternator comes out the top of the engine compartment, but to take it out you have to remove the coolant reservoir, and the wiper fluid container to have socket access to the three bolts that mount the alternator. One bolt is on top, the other two are underneath (looking at the new alternator is a good reference to see where the bottom two bolts are located).
There are also two electrical connectors and the nut-mounted positive cable that need to be removed prior to taking thealternator out.
There is not much room to get the old alternator out, but you will find one position in which the alternator can be removed - keep notice if this, as the new one has to go in the same way as the old one came out.

Having a second person around to move the tensioner pulley while you work on the belt would have made life easier.


If you look down at the belt area, you will see a pully toward the front of the car that looks like it's attached to an arm. That is the tensioner pully. The tensioner is spring loaded. If you look at the arm of the tensioner there should be a square hole in it to insert a socket wrench or a breaker bar/pull handle to use as a lever to remove the tension from the belt.
If there is no hOle, then use a wrench(possibly 15mm) on the bolt head of the pully itself as your lever. As you hold the tensioner out of the way, unloop the old belt. Pay attention to the routing, so you can reinstall the new one correctly.
Then, you route the new one in and again use your lever to move the tensioner so you can get the belt over the last pulley. Put it over the alternator last. Use a light to make sure the belt is fully on all 5 grooves of every single pulley before you start the car

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1 Answer

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A good repair manuel to get which has picture step by step, Hanyes auto repair manuel at any aut part store for 20 bucks is a great investment.
.0l Engines The 3.0L engines were equipped with either the Nippondenso or Bosch alternators.
1. Disconnect the negative battery cable.
2. Install a 1/2 in, breaker bar in the tensioner slot. Rotate counter-clock- wise to release belt tension and remove poly-V belt.
3. Remove the alternator mounting bolts (2)
4. Remove the wiring and remove alternator.
To Install:
5. Position the alternator onto the engine, then install the wiring.
6. Set the alternator against the mounting bracket and install the mounting bolts.
7. Rotate the tensioner counterclockwise and install poly-V belt.
8. Connect the negative battery cable. 3.3L and 3.8L Engines
The 3.3L and 3.8L engines were equipped with the Nippondenso alternators. 1. Disconnect the negative battery cable.
2. Remove the alternator drive belt, by relieving the tension on the dynamic tensioner
3. Loosen the nut on the support bracket at the exhaust manifold, do not remove it.
4. Remove the alternator tensioner/power steering bracket bolt.
5. Remove the tensioner stud nut and remove the tensioner.
6. Remove the alternator mounting bolts.
7. Remove the power steering reservoir from the mounting bracket, do not disconnect the hoses, and position it out of the way.
8. Remove the alternator support bracket bolts, Remove the intake plenum to alternator bracket bolt and remove the alternator support bracket from the engine.
9. Remove the alternator from the engine and disconnect the electrical leads.
To Install:
10. Install the alternator in position on the engine and connect the electrical leads.
11. Install the alternator support bracket, tighten the retaining bolts to 40 ft. lbs. (54 Nm). Install the power steering reservoir on the mounting bracket.
13. Install the alternator mounting bolts, tighten the bolts to 40 ft. lbs. (54 Nm).
14. Install the tensioner and tensioner mounting stud. Install the retaining nut on the exhaust manifold.
15. Install the alternator belt, insert a 1/2 in. extension into the square hole in the tensioner and turn the tensioner. Tighten the tensioner bolt.
16. Connect the negative battery cable.

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