Question about 1995 Buick Regal

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I need to install a new serpentine belt on my 95 regal. It says that it is a spring loaded tensioner on the idler sprocket, but cannot find a way to loosen the tension on it. Do I just loosen the nut that sets the tension between the Alt and the power steering pump? Or is there something I am missing

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There should be a feature that looks like a bolt head on the pivot of the spring-loaded idler, which will allow you to move it so that you can put the belt on.

Optionally, you can get a bar on it, push it against the spring so that you can put the belt on till it runs into the bar you're using — far enough to stay on when the bar is removed. Then push on the side of the belt to move it fully onto the idler. (A person to help you can be a real benefit.)

Posted on Aug 04, 2010

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1 Answer

Are the 2 marks on the belt tensioner suppose to align up when putting on a new serpentine belt?


Just make sure you have the same number belt as the old one. Serpentine belt will stretch with time. A new belt will be a lot tighter.

Jan 03, 2016 | Cars & Trucks

1 Answer

Water pump 2000 3.0 liter dodge caravan


For The 3.0 Motor. (3.3 Way down the line.)

Drain cooling system.
Remove timing belt. Refer to Engine for procedure.
Remove water pump mounting bolts.
Separate pump from water inlet pipe and remove water pump.

Timing Belt Removal
Raise vehicle and remove accessory drive belt splash shield (Fig. 66).
Remove accessory drive belts.
Remove crankshaft pulley and damper (Fig. 68).
Support engine and remove right side engine mount.
Remove engine support bracket (Fig. 67).
Remove timing belt covers (Fig. 67).
Mark belt running direction for installation (Fig. 69).
Loosen timing belt tensioner bolt (Fig. 71) and remove timing belt.
Remove crankshaft sprocket flange shield (Fig. 68). CAMSHAFT SPROCKETS To remove camshaft sprockets
Hold camshaft sprocket with Spanner Tool MB-990775. Loosen and remove bolt and washer (Fig. 70).
Remove camshaft sprocket from camshaft. To install camshaft sprockets:
Place camshaft sprocket on camshaft.
Install bolt and washer to camshaft. Using Spanner Tool MB-990775, hold camshaft sprocket and torque bolt to 95 Nm (70 ft. lbs.) (Fig. 70). TIMING BELT TENSIONER
Install timing belt tensioner and tensioner spring.
Hook spring upper end to water pump pin and lower end to tensioner bracket with hook out (Fig. 71).
Turn timing belt tensioner counterclockwise full travel in adjustment slot and tighten bolt to temporarily hold this position (Fig. 72).

INSTALLATION


Install timing belt on crankshaft sprocket and keep belt tight on tension side (Fig. 69). Install belt on the front (radiator side) camshaft sprocket. Install belt on the water pump pulley, rear camshaft sprocket and finally on the timing belt tensioner.
Rotate the front camshaft sprocket in opposite direction to take up belt slack. Check that all timing marks are aligned (Fig. 69).
Install crankshaft sprocket flange (Fig. 68).
Loosen tensioner bolt and allow spring to tension timing belt.
Turn crankshaft two full turns in clockwise direction. Turn smoothly and in clockwise direction ONLY.
Align the timing marks on the sprockets and tighten the timing belt tensioner locking bolt to 28 Nm (250 in. lbs.) torque.
Install timing belt covers.
Install engine support bracket.
Install right side engine mount.
Install crankshaft damper and pulleys (Fig. 68). Tighten damper center bolt to 135 Nm (100 ft. lbs.) .
Install accessory drive belts.
Install accessory drive belt splash shield (Fig. 66).

Be sure to also replace all the cam and crank seals why you are there. Might as well put a belt on too.

FOR THE 3.3 OR 3.8 MOTORS.

Drain Cooling System.
Remove accessory drive belt.
Remove right front lower fender shield.
Remove water pump pulley bolts and remove pulley.
Remove water pump mounting screws. Remove water pump.
Remove and discard O-ring seal.
Clean O-ring groove and O-ring surfaces on pump and chain case cover. Take care not to scratch or gouge sealing surface

Installation

Install new O-ring into groove.
Install water pump to chain case cover. Tighten screws to 12 Nm (105 inch lbs.) .
Rotate pump by hand to check for freedom of movement.
Position pulley on pump. Install screws and tighten to 30 Nm (250 inch lbs.) .
Install accessory drive belt.
Install right front lower fender shield.
Refill Cooling System.

FOR THE 2.4 MOTOR

Disconnect negative cable from battery.
Raise vehicle on a hoist. Remove right inner splash shield.
Remove accessory drive belts.
Drain cooling system.
Support engine from the bottom and remove right engine mount.
Remove right engine mount bracket.
Remove timing belt. Refer to Engine for procedure.
Remove timing belt idler pulley.
Hold camshaft sprocket with Special tool C-4687 and adaptor C-4687-1 while removing bolt. Remove both cam sprockets.
Remove rear timing belt cover.

Install new O-ring gasket in water pump body O-ring groove. CAUTION: Make sure O-ring is properly seated in water pump groove before tightening screws. An improperly located O-ring may cause damage to the O-ring and cause a coolant leak.
Assemble pump body to block and tighten screws to 12 Nm (105 inch lbs.) . Pressurize cooling system to 15 psi with pressure tester and check water pump shaft seal and O-ring for leaks.
Rotate pump by hand to check for freedom of movement.
Install rear timing belt cover.
Install camshaft sprockets and torque bolts to 101 Nm (75 ft. lbs.) .
Install timing belt idler pulley and torque mounting bolt to 61 Nm (45 ft. lbs.) .
Install timing belt. Refer to Engine for procedure.
Install right engine mount bracket and engine mount. Refer to Engine for procedure.
Fill cooling system.
Install accessory drive belts.
Lower vehicle and connect battery cable.

Mar 29, 2012 | Cars & Trucks

2 Answers

Trying to take off a belt drive so i can take off the water pump


newer motors have a stretch belt ,but not sure for this age so try the idler and put a spanner on the centre nut and turn clockwise against the spring loading to see it slackens the belt.

Jun 18, 2011 | 2006 Pontiac Grand Prix

1 Answer

I need to install a new serpentine belt on my 95 regal. It says that it is a spring loaded tensioner on the idler sprocket, but cannot find a way to loosen the tension on it. Do I just loosen the nut that...


Look closely as there should be a square one half inch or three eighths inch hole in the tensioner. Place the proper sized ratchet or breaker bar in the hole and turn which ever way loosens the belt. When replacing the belt be sure the belt is properly settled in all the pulleys as if it's off by one spline on any pulley it will quickly damage the belt. Please rate this answer, thanks.

Feb 05, 2011 | 1995 Buick Regal

1 Answer

Replace serpentine belt



Removal & Installation

  1. Rotate the drive belt tensioner clockwise and remove the drive belt.
    WARNING Never suddenly let go of the tensioned idler pulley. The force of the spring pressure suddenly released may damage the idler pulley mechanism. Always release the spring pressure gradually.


    0996b43f80204f01.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Rotate the belt tensioner to relieve tension on the belt-4.6L engine shown, others similar


To install:
  1. Route the belt over the pulleys making sure all the grooves in the pulleys and the belt line up correctly. Refer to the accessory belt routing section of this manual.
  2. Rotate belt tensioner clockwise and slip drive belt over idler pulley on tensioner.

  1. Rotate the drive belt tensioner clockwise and remove the drive belt.
    WARNING Never suddenly let go of the tensioned idler pulley. The force of the spring pressure suddenly released may damage the idler pulley mechanism. Always release the spring pressure gradually.


    0996b43f80204f01.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Rotate the belt tensioner to relieve tension on the belt-4.6L engine shown, others similar


To install:
  1. Route the belt over the pulleys making sure all the grooves in the pulleys and the belt line up correctly. Refer to the accessory belt routing diagrams above.
  2. Rotate belt tensioner clockwise and slip drive belt over idler pulley on tensioner.
If for any reason, the tensioner is crooked, replace it!!! Also, install the belt with the writing facing you like you are trying to read a book. This WILL (a trick I learned at Mercedes) prevent even a new belt from squeeling!!

Dec 16, 2010 | 2003 Ford Explorer

3 Answers

How to tighten serpentine belt for 2003 Monte Carlo 3.8L


the belt is self adjusted by a spring loaded automatic belt tensioner, if the belt is noisy or seems loose either the belt size is wrong (if it was replaced recently) or the tensioner is defective or one of the belt idler pulleys is defective.

May 27, 2010 | 2003 Chevrolet Monte Carlo

2 Answers

I have a 2003 rav4 v4 and I'm replacing the serpentine belt. What do I loosen to remove the old belt and install new?


Look for a tensioner pulley. It's spring loaded to maintain tension on the belt. It's a pulley that does not spin a device like alternator, power steering pump or AC compressor. If you put a wrench on it and push it one way or another you can overcome the spring tension and the belt will just pop off. Check the belt routing diagram under the hood when you reinstall a new belt. It should identify the tensioner pulley, sometimes known as an idler pulley.

Apr 10, 2010 | 2003 Toyota RAV4

2 Answers

I need to know how to loosen a tensioner so i can take my serpentine belt off


find the tensioner pulley put a wrench on the bolt and you can release the tension from it

Jan 25, 2010 | 2003 Chevrolet Venture Passanger

2 Answers

How do I asjust the serpentine belt on a 2005 ford freestar?


It should not require any adjustment. the right tension is provided by the idler pully. If you want to release the tension for serpentine removal or examination release the tension on the idler pulley in the rear of the motor, spin the nut in the center like you were tightening, and the pressure will be released from the serpentine belt. Reversely, the appropriate tension will be given using the same way when the strap is reinstalled.
Dan

Dec 08, 2009 | 2005 Ford Freestar

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