Question about 2001 Oldsmobile Silhouette

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How do we get the alternator out without removing the manfiold

We have all 3 bolts off and the alternator disconnected... but not enough room between chassy and area to take it out... do we have to remove the manifold to do this?

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Not sure this would apply as I am not familiar with your Olds but it has sometimes been necessary in similar situations, to loosen motor mounts, use a 2X4 to pry the engine to one side to remove an accessory.
If the clearance required is only a little bit you may be able to pry it far enough without loosening the mounts.

Posted on Aug 23, 2008


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If you are on the fence about changing your alternator yourself, let me say: Don't do it!!! This is not a novice job. I spent about 4 hours getting it out and about 3 putting it back together, including about a 1 hr trip to the parts store. I'd say I lost 1-2 hours for having no manual or guide on how to do this work. If you are intent on doing this yourself, the next paragraph will describe the steps necessary. You'll have to fill in your own curse words during the exercise! LOL
  1. Remove the lower plastic cowling to allow undercarriage access
  2. Remove the upper plastic cowling to see the radiator
  3. Loosen the radiator overflow tank
  4. Remove the stabilizer bar that runs front to rear over the serpentine belt
  5. Remove the stabilizer bar mounting bracket that is attached to the engine just above the alternator
  6. Remove the steel body bar that runs left-to-right in front of the engine (I didn't find this until late, costing me extra time) You will need to remove the cover to the fuses to get at one of the bolts. 4 18mm bolts.
  7. Remove the bolts and body nuts that attach the front grill and upper bumper to the chassis
  8. Optional - Remove the air breather assembly if you need more room on the right side of the car - it's an easy pull
  9. Remove the upper radiator hose
  10. Remove the upper radiator clamps
  11. Remove the engine fan tray
  12. Optional - remove the radiator Or
  13. Tilt the radiator back with not enough room to properly work
  14. Remove the alternator
  15. That's it. Now Reverse the steps.
Here are a few notes:

Fan tray - held to radiator by an upper and lower clip. Also, there are two hoses bolted to it on the right side along with the power cables..

Radiator - if you are going to leave it in and work around it, you need to lift it from it's center supports so that it can be tilted towards the front of the car. You run the risk of damaging the radiator as is not enough room to maneuver the alternator out without striking it.

You will need a second person to pull back on the radiator during the alternator removal. I used a bottle jack and a piece of lumber to push it forward as I had no helper. The only way to get the radiator leaning far enough to work was to also have the front grill pivoting forward as well. In reality, you need the bottom section as far forward as possible and less so the upper.

Air Conditioner - In every step of removing anything, the AC hoses were in the way. Sure would have been much easier if I could have pulled those hoses off.

Alternator - Has 3 bolts. Reach one from under the car. It is the pivot bolt. It is a 15mm bolt and nut. Best with a helper as the nut is best held from above and the bolt from under. Next bolt was removed from above. It is located on the alternator face. It took me a while to realize that there was a third bolt that is at a 45 degree angle upwards on the front side of the unit. It's also the battery ground wire location. Also remove the hot wire and the 2 wire connector.

Oct 21, 2016 | Cars & Trucks

1 Answer

How to remove the alternator

Hi Steve John:
Here's what I would do.
1) Disconnect battery terminals (negative first).
2) Release serpentine belt (use flex bar in square hole in tension idler bracket)
3) Disconnect wires from alternator (if in doubt, label on masking tape and attach to wires, or take a pic.
4) Remove bolts that secure alternator.
Sometimes there's not a lot of room but patience and perseverence will triumph.

Nov 06, 2015 | Cars & Trucks

1 Answer

How do you remove the tensioner pulley on a 1998 Saab 900 SE Convertible 2.0

Disconnect the Negative Battery Cable
2. Remove the air breather/cleaner and hose from between the air breather/cleaner and throttle housing
3. Remove the strain of the belt tensioner off the belt and pry off the belt
4. Remove the right front wheel
5. Remove the belt cover & Disconnect the battery Cable and the red alternator power wire.
6. Remove the two Alternator Bolts that secure the alternator to the bracket
7. Remove the three bolts that hold the header pipe up to help give room to remove the alternator
8. Remove the converter bolt from the converter bracket and mover the converter over to aid in the alternator removal
9. Refit in reverse

Working from Top down:
disconnect battery 2) not necessary to remove airfilter box but does give more breathing room for belt removal/instal 3) un-tension serpentine belt with a 1/2" drive long extension in the square of the tensioner & pull towards the front of the car to release the serpentine belt 4) lock tensioner with about a 4mm pin(Allen key will do) by pulling forward with that 1/2"drive extension & pinning the tensioner with that hole 5) remove tensioner with 8mm Allen key or drive(not necessary to remove R side engine mount & raise engine) and be careful to not knock and cause to release the tensioner-they hurt when they snap! 6) remove upper alternator bolt(8mm Allen key/drive).

Working from Bottom of the engine bay:
disconnect cables at alternator(13 & 8 mm nuts) 8) remove R wheel/inner fender skirt that covers the harmonic balancer(10 & 8 mm heads)/ tie back flex hose to strut 9) remove lower alternator bolt(8mm alley key/drive) 10) wedge/rotate out alternator of its mounts 11) disconnect exhaust pipe rubber hangers at catalytic converter and mid section of exhaust 12) you can bend(and later re-bend into position the hanger studs) (OR undo front header studs/nuts to free up the front part of the exhaust) to push over the exhaust and pull out the alternator(pulley nose down)--be careful when getting the alternator out as the downstream O2 sensor is right there(a good precaution would be to remove it)......reverse procedures to install.

Jun 30, 2014 | 1998 Saab 900

1 Answer

How to replace alternator on buick lesabre

First disconnect the negative battery cable, then locate the belt tension pulley, you will have to release the pressure to remove the belt. Be sure to sketch a picture of the belt route if there isn't one in your engine compartment. After you have the negative battery cable unhooked and the belt off, remove the big red wire going to the back of the alternator. Make sure that the big nut against the alternator doesn't more while your disconnecting the wire. After this or if there isn't enough room to take wire off, go ahead and remove the bolts holding the alternator to the engine, or the mounting brackets that it bolts to. Now your ready to unhook the plug in the back of the alternator, if you haven't already. And your done. Hope this helps!

May 21, 2011 | 1994 Buick LeSabre

2 Answers

Pulling an alternator

Removing the rear-mounted alternator on early 1990s Civics and CRX can be frustrating. After removing the upper adjusting bracket bolt and the lower pivot bolt, the alternator can *almost* come out the top and almost fits behind the intake manifold.

The only easy exit path is out the left wheel well. Side access requires removing the wheel and unfastening three of the plastic retainers holding the upper end of the splash guard. But even this doesn't provide quite enough room. You need to tuck the alternator back under the intake, unbolt the lower alternator bracket (two bolts, 14mm socket) before the alternator can be removed.

The tools needed:

10mm socket -- alternator power connection, battery terminal
12mm wrench -- adjusting bracket
14mm socket -- adjusting bracket, pivot bolt, alternator bracket

Mar 30, 2010 | 1991 Honda Civic

1 Answer

How to undo the alternator on saab 900s1996

You first undo upper adjuster, remove completely, then you must undo the 3 allen bolts on the alt mount to engine block, of course after disconnecting battery. There is not room to remove lower pivot bolt.

Jun 15, 2009 | 1996 Saab 9000

3 Answers

Trying to remove the alternator from the car.

Removal and Installation
  1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Section 100-02.
  1. Disconnect the battery. For additional information, refer to Section 414-01.
  1. Rotate the accessory drive belt tensioner counterclockwise and position the accessory drive belt aside.
  1. Remove the 8 pin-type retainers and the right lower splash shield.
  1. Disconnect the crankshaft position sensor and release the 2 wiring harness locators from the generator splash shield.
  1. Remove the lower generator boot pin-type retainer, fold the boot upward and disconnect the generator electrical connector.
  1. With the generator boot folded upward, position the protective cover aside and remove the generator B+ nut and terminal.
    • To install, tighten to 8 Nm (71 lb-in).
  1. NOTE: The 3 generator studs and nuts may be replaced with 3 bolts (W709986-S437) to ease the installation of the generator.
    Remove the 3 generator nuts and stud bolts.
    • To install, tighten the generator stud bolts to 8 Nm (71 lb-in).
    • To install, tighten the new generator bolts or generator nuts to 47 Nm (35 lb-ft).
  1. Remove the generator shield from the generator.
  1. Remove the generator.
  1. To install, reverse the removal procedure.

Jun 01, 2009 | 2006 Ford Five Hundred

2 Answers

I need to replace the alternator in a 1996 Dodge Grand Caravan

Disconnect the negative battery cable with a socket wrench. Remove the windshield wiper module for 3.0 L and smaller engines or the right front lower splash shield for engines larger than 3.0 L. Remove the accessory beltdrive with a socket wrench. You will also need to remove the lower bolt and wiring harness from the oil dipstick tube with a socket wrench if you have an engine larger than 3.0 L.
Take the mounting bolts off of the alternator with a socket wrench and disconnect the alternator's electrical harness. This will allow you to remove the alternator assembly.

Install the new alternator assembly and connect the electrical harness. Tighten the mounting bolts to 40 foot pounds with a torque wrench and install the accessory drive belt. You will also need to install the lower bolt and wiring harness from the oil dipstick tube with a socket wrench if your engine is larger than   3.0 L.

Connect the windshield wiper module or right front lower splash shield as required. Connect the negative battery cable with a socket wrench.

Good luck and hope this helps.
I have heard the easiest way to remove the alternator is to remove the exhaust manifold. It will cost about $15.00 or so for a new manifold gasket but it is supposed to create enough room to be able to swap it without the hassle of removing alot of parts.

May 02, 2009 | 1996 Dodge Caravan

1 Answer

1998 Grand Voyager needs alternator replaced

First I removed both bolts to the alternator and and then a horizontal bracket. Because the alternator is on the backside of the engine I removed all the bolts (except one I could not reach) to the vertical bracket that holds the top bolt of the alternator that I could reach which allowed me to move the vertical bracket enough to wiggle the unit between the side of the engine and hoses and wires that run in the area. It is tight but there is just enough room to remove and reinstall the alternator.

Dec 19, 2008 | 1998 Dodge Grand Caravan

2 Answers

Replacing Alternator For 2001 Chrysler PT Cruiser (Manual)

this instruction is general for all vehicles. i am sorry that i do not have particularly for your 2001 chrysler PT cruiser.

first, identify the alternator.
remove the fan belt on the alternator,
label and remove all wires that is attached to it.
remove all bolts that is holding it.
remove the old alternator.

do the reverse on installing it.

tnx 4 using fixya,


Aug 30, 2008 | 2001 Chrysler PT Cruiser

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