Question about 2003 Ford F150 Regular Cab

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Need torque spec for 2003 F150 9.75 differential carrier bearing cap bolts

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77 ftlbs

I am assuming you have the run out and backlash all ready set.

Posted on Jan 17, 2010

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What are torque specs on 1965 ford 7 and 1/4 inch rear


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pinion preload: 17-27 in. lbs. w/integral carrier or 22-32 in.lbs. w/ removable carrier. Tightening the carrier bearings isn't so much a torque setting but more or a tightening procedure. Theses specs are done during the rebuild so I wonder if you're asking about the bearing caps or bolts that hold the diff. to the axle housing? I could not find a spec. for bolt torque. Since the bolts that hold it in (if that is what you asking about) are not a bearing adjustment, you can go with a generic torque based on bolt size. Again, I'm not sure what component, or bolts it is you are asking for torque specs on.

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How to change left front differential seal


When working on your differential you will need a wide variety of tools. Using the correct tools saves time and helps prevent parts from being damaged. Here is a list of some of the tools that you may need:
  • Dial indicator
  • Gear marking compound and a clean brush
  • Calipers or a micrometer
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Back to Top
Disassembly Make sure that you have all the parts and tools you will need. The extent of disassembly depends on the job being done and the inspection findings. Lift the vehicle using an appropriate lift or a jack and safe jack stands. Always make certain that the vehicle is safely supported before working underneath. Unbolt the driveshaft from the yoke. Remove the differential cover or unbolt the third member. Let the oil drain into a suitable container. Please recycle your waste oil. Remove c-clip axles by removing the differential cross pin bolt and cross pin shaft, pushing the axles in and pulling the c-clips. Full float axles are unbolted at the hubs. Punch both carrier caps with identification marks so that you will be able to re-install them on the same side and in the same direction. Most carriers can be pried out of the housing with a pry bar. Further disassembly depends on the job being done. If you're changing the ring and pinion or the pinion bearings, remove the pinion nut with an air gun while holding the yoke, or use a long breaker bar and brace the yoke (bolt it to a long board) so that it can't move. Knock the pinion gear out to the rear with a brass punch, taking care not to damage the threads. Keep track of the location and thickness of all of the original shims. Pinion bearings must be pressed off. Carrier bearings can be pulled using a bearing puller. Internal parts (inside the carrier) can be removed as necessary.



Inspection

Inspect all bearings and races for pitting or uneven wear. The inner carrier bearing races should not spin on the carrier journals. The carrier races should have a snug fit in the housing. Inspect the carrier race bores for grooves from spinning races. The side gear bores inside the carrier should not have any abnormal wear. All gear teeth (including the spider gears) should be smooth but not excessively shiny. Inspect all gear teeth for pitting, chips, breaks, and for signs of uneven wear and overheating. Inspect positraction clutches for scoring and wear. Inspect the axles for pitted, grooved, or dull and rough bearing surfaces. Check for worn axle splines. All questionable parts should be replace
Assembly

Differential Adjustments
The four essential differential adjustments are pinion depth, pinion bearing preload, backlash and carrier bearing preload. The tables at the back can be used to write down shim combinations and results.

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Okay, the main bearing caps only have 10 bolts, i think your looking for the connecting rod caps, they have 16 bolts, i will list them both, theres a tightening sequnce for the main bearing caps, these are the caps that hold the crankshaft to the engine block, the connecting rod caps hold the pistons to the crank and they have 16 nuts,For a 2004 mazda 6 with the 3.0 engine the torque specs are as follows.
Connecting rod bolts step 1) 19.2 - 23.6 ft lbs.
step 2) tighten an additional 80 - 100 degrees

Main bearing caps step 1) 32.5 - 33.9 ft. lbs.
step 2) tighten an additional 175 -185 degrees.
heres a diagram for main caps to tighten in order.
hope this is helpful.fc3bff9.gif

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Carrier removal dana 60,spicer 60


Are you a Mechanic? Did you pull the axles? Did you watch one of the many videos on youtube? There are tons of how to's on the net for differential rebuilding. They detail what you want to know. You need some special tools and better understand that if it isn't done correctly it will result in a very very expensive repair. i.e. replacing the whole axle. Start with the housing spreader if you have the axles pulled and the caps off. be careful though as that differential will squash your toes if you dont catch it.

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2003 mazda 6 3.0 need the main bearing torque specs


I'm sending you the torque specifications for your main bearings and also your head bolts. I also sent you main bearing and cylinder head tightening sequence. I hope this will be useful2c713bf.giffce6623.gif
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Torque specs 7.5 inch rear axle 96 ford ranger


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Want to install a posi unit in my 2004 Ram Quad 2WD 9.25


REMOVAL
  1. Remove filler plug from the differential cover.
  2. Remove differential cover and drain the lubricant.
  3. Clean housing cavity with flushing oil, light engine oil or a lint free cloth. NOTE: Do not use steam, kerosene or gasoline to clean the housing.
  4. Remove axle shafts.
  5. Remove RWAL/ABS sensor from housing. NOTE: Side play resulting from bearing races being loose on case hubs requires replacement of the differential case.
  6. Mark differential housing and bearing caps for installation reference (REFERENCE MARKS).
  7. Remove bearing threaded adjuster lock from each bearing cap.
  8. Loosen differential bearing cap bolts.
  9. Loosen differential bearing adjusters through the axle tubes with Wrench C-4164 (THREADED ADJUSTER TOOL).
  10. Hold differential case while removing bearing caps and adjusters.
  11. Remove differential case. NOTE: Tag the differential bearing cups and threaded adjusters to indicate their location.

INSTALLATION
  1. Apply a coating of hypoid gear lubricant to the differential bearings, bearing cups, and threaded adjusters. A dab of grease can be used to keep the adjusters in position.
  2. Install differential assembly into the housing.
  3. Install differential bearing caps in their original locations (BEARING CAPS).
  4. Install bearing cap bolts and tighten the upper bolts to 14 N·m (10 ft. lbs.). Tighten the lower bolts finger-tight until the bolt head is seated.
  5. Perform the differential bearing preload and adjustment procedure. NOTE: Be sure that all bearing cap bolts are tightened to their final torque of 136 N·m (100 ft.lbs.) before proceeding.
  6. Install axle shafts.
  7. Apply a bead of orange Mopar Axle RTV Sealant or equivalent to the housing cover (COVER SEALANT). CAUTION: If cover is not installed within 3 to 5 minutes, the cover must be cleaned and new RTV applied or adhesion quality will be compromised.
  8. Install the cover and any identification tag and tighten cover bolts to 41 N·m (30 ft. lbs.).
  9. Fill differential with lubricant to bottom of the fill plug hole. Refer to the Lubricant Specifications for the correct quantity and type. NOTE: Trac-lok™ differential equipped vehicles should be road tested by making 10 to 12 slow figure-eight turns. This maneuver will pump the lubricant through the clutch discs to eliminate a possible chatter noise complaint.
DIFFERENTIAL BEARING PRELOAD AND GEAR BACKLASH The following must be considered when adjusting bearing preload and gear backlash:
  • The maximum ring gear backlash variation is 0.076 mm (0.003 in.).
  • Mark the gears so the same teeth are meshed during all backlash measurements.
  • Maintain the torque while adjusting the bearing preload and ring gear backlash.
  • Excessive adjuster torque will introduce a high bearing load and cause premature bearing failure. Insufficient adjuster torque can result in excessive differential case free-play and ring gear noise.
  • Insufficient adjuster torque will not support the ring gear correctly and can cause excessive differential case free-play and ring gear noise.
NOTE: The differential bearing cups will not always immediately follow the threaded adjusters as they are moved during adjustment. To ensure accurate bearing cup responses to the adjustments:
  • Maintain the gear teeth engaged (meshed) as marked.
  • The bearings must be seated by rapidly rotating the pinion gear a half turn back and forth.
  • Do this five to ten times each time the threaded adjusters are adjusted.

  1. Through the axle tube use Wrench C-4164 to adjust each threaded adjuster inward until the differential bearing free-play is eliminated. Allow some ring gear backlash approximately 0.25 mm (0.01 in.) between the ring and pinion gear. Seat the bearing cups with the procedure described above.
  2. Install dial indicator and position the plunger against the drive side of a ring gear tooth (RING GEAR BACKLASH). Measure the backlash at 4 positions, 90 degrees apart around the ring gear. Locate and mark the area of minimum backlash.
  3. Rotate the ring gear to the position of the least backlash. Mark the gear so that all future backlash measurements will be taken with the same gear teeth meshed.
  4. Loosen the right-side, tighten the left-side threaded adjuster. Obtain backlash of 0.076 to 0.102 mm (0.003-0.004 in.) with each adjuster tightened to 14 N·m (10 ft. lbs.). Seat the bearing cups with the procedure described above.
  5. Tighten the differential bearing cap bolts 136 N·m (100 ft. lbs.).
  6. Tighten the right-side threaded adjuster to 102 N·m (75 ft. lbs.). Seat the bearing cups with the procedure described above. Continue to tighten the right-side adjuster and seat bearing cups until the torque remains constant at 102 N·m (75 ft. lbs.)
  7. Measure the ring gear backlash. The range of backlash is 0.15 to 0.203 mm (0.006 to 0.008 in.).
  8. Continue increasing the torque at the right-side threaded adjuster until the specified backlash is obtained. NOTE: The left-side threaded adjuster torque should have approximately 102 N·m (75 ft. lbs.). If the torque is considerably less, the complete adjustment procedure must be repeated.
  9. Tighten the left-side threaded adjuster until 102 N·m (75 ft. lbs.) torque is indicated. Seat the bearing rollers with the procedure described above. Do this until the torque remains constant.
  10. Install the threaded adjuster locks and tighten the lock screws to 10 N·m (90 in. lbs.).

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