tensioner direction rotate for release the serpentine
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Filed Under (Dodge) by admin on 19-09-2010
AIR CONDITIONING BELT NOTE: The A/C drive belt self tensioner is NOT a dynamic tensioner. After tensioner adjustment bracket bolts are tightened, the torsion spring is no longer responsible for tensioning the A/C belt. The torsion spring is only used for initial belt tensioning only. REMOVAL 1. Remove generator/power steering belt. Fig. 42 2. Loosen BUT DO NOT REMOVE tensioner locking bolt and pivot bolt (Fig. 42). 3. Insert 1/2″ drive breaker bar into square opening on belt tensioner. Rotate tensioner counterclockwise until belt can be removed from pulleys (Fig. 42). 4. Slowly rotate tensioner clockwise to relieve spring load. INSTALLATION-NEW BELT WARNING: DO NOT REMOVE A/C BELT TENSIONER LOCKING BOLT WITHOUT FIRST HOLDING THE TENSIONER WITH A 1/2″ DRIVE BREAKER BAR, AS PERSONAL INJURY COULD RESULT. Fig. 43 NOTE: Verify that torsion spring position is in the new belt position before installing a NEW belt (Fig. 43). If torsion spring is not in the new belt position, follow steps 1 – 7 to change the tensioner spring from the USED belt position to the NEW belt position. 1. Insert a 1/2″ drive breaker bar into the square opening on the tensioner. Hold counterclockwise pressure on tensioner while removing the locking bolt (Fig. 42). 2. Carefully release spring load of the torsion spring on the tensioner. 3. Remove pivot bolt, tensioner, and spring from front timing cover. 4. Insert spring arm into the NEW belt position on the tensioner (Fig. 43). 5. Install torsion spring, tensioner, and pivot bolt. 6. Install pivot bolt. Tighten only finger tight, at this time. 7. Using a 1/2″ drive breaker bar, apply counterclockwise pressure until locking bolt can be installed.
Filed Under (Pontiac) by admin on 16-09-2010
Important: Use the following steps in order to reset the timing chain tensioner assembly to the zero position. 1. Reset the timing chain tensioner assembly. A. B. C. D. Insert the tensioner plunger assembly into the tensioner housing. With the tensioner plunger fully extended, turn the complete assembly upside down on a bench or other flat surface. With the plunger face against the workbench, press firmly on the boffom of the tensioner housing. Compress the plunger until the plunger is seated flush in the tensioner. 2. Check the plunger to make sure that the plunger is out of the cylinder at the correct dimension. The correct dimension for the plunger to extend out of the cylinder is 1.7 mm ( 0.070 in ) maximum 1999 Pontiac Grand AM L4-144 2.4L DOHC VIN T SFI 3. Loosely install the tensioner assembly and bolts to the timing chain housing. 4. Install the timing chain tensioner shoe on the stud. 5. Apply hand pressure to the timing chain tensioner shoe until the locking tab seats in the groove in the stud. Notice: Do not over tighten the bolts retaining the component or failure to the component may occur. 6. Tighten the timing chain tensioner bolts. Tighten
Filed Under (Toyota) by admin on 29-01-2011
Replacement Interval Guide Toyota recommend: 1993: Replacement every 60,000 miles or 5 years, whichever occurs first. 1994 : Replacement every 63,000 miles or 5 years, whichever occurs first. 1996 : Replacement every 60,000 miles or 5 years, whichever occurs first (Colorado only). The previous use and service history of the vehicle must always be taken into account. Check For Engine Damage Check For Engine Damage Removal Removal 1. Remove timing belt cover . 2. Turn crankshaft clockwise until timing marks aligned . 3. Ensure timing marks aligned: 1KZ-T/TE: . 1HD-FT/1HD-FTE: . 4. Evenly slacken and remove automatic tensioner unit bolts . 5. Remove: Automatic tensioner unit . Tensioner pulley bolt . Tensioner pulley . Timing belt. Installation Installation 1. 2. 3. 4. 5. 6. 7. Check tensioner pulley for smooth operation . Replace if necessary. Remove dust cover. Check tensioner body for leakage or damage . Check pushrod protrusion is 9,0-9,8 mm . Check pushrod does not move when pushed against a firm surface. If pushrod moves: Replace automatic tensioner unit. Slowly compress pushrod into tensioner body until holes aligned. Use press. Retain pushrod with 1,5 mm Allen key through hole in tensioner body . Fit dust cover. Ensure timing marks aligned . Ensure timing marks aligned: 1KZ-T/TE: . 1HD-FT/1HD-FTE: . 8. 9. 10. 11. 12. 13. 14. 15. 16. Fit timing belt in anti-clockwise direction, starting at lower sprocket. Ensure belt is taut between sprockets. Fit tensioner pulley . Tighten bolt to 34 Nm . Push tensioner pulley against belt. Install automatic tensioner unit . Tighten bolts evenly to 13 Nm . Remove Allen key from tensioner body to release pushrod. Turn crankshaft two turns clockwise. Ensure timing marks aligned  &  or . If not: Repeat installation and tensioning procedures. Install components in reverse order of removal. Reset timing belt replacement warning lamp as follows: -Runner/Landcruiser: Remove grommet in speedometer housing. Depress switch using a thin screwdriver . 17. Colorado: Remove speedometer housing. Remove screw indicated and insert in alternative location . 18. Amazon: Lamp illuminates at 90,000 miles. Return vehicle to dealer.
Filed Under (Mitsubishi) by admin on 07-06-2010
Installation Installation 1. Check tensioner pulley for smooth operation. 2. Check tensioner body for leakage or damage. 3. Push pushrod of automatic tensioner unit against a firm surface using a force of 10-20 kg. Pushrod should move less than 1,0 mm. 4. If necessary: Replace automatic tensioner unit. 5. Slowly compress pushrod into tensioner body until holes aligned  . Use suitable press or vice. NOTE: Use a suitable washer to protect tensioner body end screw when using press  . 6. Retain pushrod with 1,4 mm diameter pin. 7. Install automatic tensioner unit  . Tighten bolts  . Tightening torque: 24 Nm. 8. Ensure timing marks aligned  &  . 9. Fit timing belt in anti-clockwise direction, starting at crankshaft sprocket. 10. Ensure belt is taut between sprockets on non-tensioned side. NOTE: Observe direction of rotation marks on belt. 11. Push tensioner pulley by hand against belt. Lightly tighten bolt  . 12. Turn crankshaft 1/4 turn anti-clockwise. Use tool No.MD998716. 13. Turn crankshaft 1/4 turn clockwise. Use tool No.MD998716.
Filed Under (Ford) by admin on 16-12-2010
1. Back out the tensioner bolt four (4) full turns and position the tensioner so the locating tab is at approximately the 4 o’clock position. Line up the hex key slot in the tensioner adjusting washer with the pointer that is located behind the pulley (Figure 1). 2. Working counterclockwise from the crank sprocket, install the liming belt. 3. Rotate the tensioner locating tab counterclockwise and insert the locating tab into the slot in the rear timing cover (Figure 2). 4. Position the hex key slot in the tensioner adjusting washer to the 4 o’clock position (Figure 2). 5. Tighten the attaching bolt enough to seat the tensioner firmly against the rear timing cover, but still allow the tensioner adjusting washer to be rotated using a 6 mm hex key (Figure 2). 6. Using the hex key, rotate the adjusting washer counterclockwise until the notch in the pointer is centered over the index line on the locating tab. (The pointer will move in a clockwise direction during adjustment) (Figure 3). 7. While holding the adjusting washer in position, torque the attaching bolt to 25 +/- 3 N.m (18 +/- 2 lb-ft) (Figure 4). NOTE IF THE POINTER DOES NOT REMAIN CENTERED OVER THE INDEX LINE DURING FINAL TIGHTENING, LOOSEN THE BOLT AND REPEAT THE PROCEDURE BEGINNING WITH STEP 4. OTHER APPLICABLE ARTICLES: NONE WARRANTY STATUS: INFORMATION ONLY OASIS CODES: 490000, 499000