Question about 2000 Jeep Grand Cherokee

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Mixed up rod bearing caps any soiutions - 2000 Jeep Grand Cherokee

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No special tools needed to tear down the D30 other than a 13mm 12 point socket to remove the hubs and a punch to remove the cross shaft pin in the carrier if you're removing the spider gears. Drain the oil and check to see if there is any metal flakes in it. Check the spider gears, ring gear and pinion for chips and/or chunks missing. IF you remove the carrier from the housing make sure that you you don't mix up the bearing caps & cups and keep them on their proper sides. My other truck had a grinding noise coming from the rear about a year ago and it ended up being the pinion that was missing 2 teeth.

Had to get the gears re-done at a shop.

Posted on Mar 18, 2011

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I need torque sequence for rod bearing caps


There is no sequence for the rod caps Since there are only 2 bolts per cap you only have to snug up each bolt then apply half the listed torque value to each cap bolt. then continue back and forth on them until the end torque value is applied to both bolts.

Apr 29, 2015 | 1996 Pontiac Bonneville SE CA Value

2 Answers

What the torque specs. For a 2002chevys10 4.3vortex mains and rod bearing


Torque Specs Database

Type: Dim: Length: Head: Nut Grade: 20 Ft-Lbs 240 In-Lbs 27.12 N-m Connects: Connecting Rod To Engine Block Years: All Vote Record: Vote Note: Vortec - Rod Cap Nuts - 2 Steps: 20 FtLbs; +70degs

http://ww2.justanswer.com/uploads/ZZdaryl/2009-06-14_153454_torque.pdf

Main Bearing Cap Bolt 4.3L Step 1 15 ft lbs (20) Step 2 Additional 73 Degrees

i don't know if that's correct for main bearing caps since another link states it's much higher

4 3 Vortec Piston Specs eHow

hopefully a GM guy will chime in to confirm the main bearing torque

the rod bearing torques are the same on all the other links

Mar 25, 2015 | 2002 Chevrolet S-10

1 Answer

Connected new rod bearings, and crank wont turn. ???


check that you kept the caps and rods as units as any one cap will not fit any other rod. The same goes for the main bearings. Have you got the correct size bearings for the crank shaft. Have you placed the rods in the cylinder correctly. have you placed the bearing slippers in the cap and rod correctly

Nov 11, 2013 | 2000 Ford Focus

1 Answer

I am rebuilding my motor i have a 1999 chevy tahoe 5.7 liter i took all the rod bearing and caps out and i for got the order they go in can you please help me


Big mistake. ALWAYS NUMBER AND MARK EVERY CAP WHEN YOU TAKE IT APART.
Your best option now is to bring the block to a machine shop and have it align bored so the caps are all perfect again. And do not mix them up after that. On the connecting rods, you probably could get away with mixing them but they really should be re-sized. Only other option would be to take another set from a scrapyard engine and use those. Since you are doing a rebuild, it wouldn't be a bad idea to have the machine shop check the concentricity of the crank journals while you are there. One of the biggest reasons that home rebuilt engines fail is that the new bearings are put on a worn crank that is a bit out of round. After the machine work is complete, ask the shop what size bearings you need.
Sorry you made that mistake but it actually forces you to do a better job!!!
Every engine I build gets that work done,

Jul 17, 2011 | Chevrolet Chevy Cars & Trucks

1 Answer

Need to know crankshaft main bearings and rod bearings torque specks.


2 Different size engines for that year. If you have the 2.2 the main bearing caps are 70 ft/lbs (final torque) & the rod bearing caps are 38 ft/lbs (final torque). If you have the 4.3, the main bearing caps are 77 ft/lbs (final torque) & the rod bearing caps are 45 ft/lbs (final torque). I hope this helps and good luck.

Mar 13, 2011 | 1996 Chevrolet S-10 Pickup

1 Answer

Need torque for a 2000 Toyota Celicia GT 1.8L


Crank Main caps Tightening Torque

For the 12 Pointed Head Bearing Cap Sub-Assembly Bolts
Start from center bolts and tighten in a clockwise rotation working out
Step 1 all bolts 22 Nm or 16 ft lb
Step 2 all bolts 44 Nm or 32 ft lb
Step 3 all bolts 45 degrees additional clockwise rotation using an angle indicator.
Step 4 all bolts 45 degrees additional clockwise rotation using an angle indicator.

Hexagon Head Bearing Cap Sub-Assembly Bolts
1ZZ-FE Engine 18.5 Nm (14 ft.lb)
2ZZ-GE Engine 18 Nm (13 ft.lb)

Connecting rod:
1. Apply a light coat of engine oil on the threads and under the heads of the connecting rod cap bolts.
2. Install and alternately tighten the 2 connecting rod cap bolts in several passes. Torque: 1ZZ-FE: 20 Nm (204 kgf-cm, 15 ft. lbs.) 2ZZ-GE: 30 Nm (306 kgf-cm, 22 ft. lbs.) If any of the connecting rod cap bolts does not meet the torque specification, replace the connecting rod cap bolts.
3. Retighten the cap bolts by 90° more
4. Check that the crankshaft turns smoothly.

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Mar 18, 2010 | 2000 Toyota Celica

1 Answer

I'm looking for the 2000 isuzu rodeo 3.2L v6 connecting rod bearings torque specs.


1. Check the connecting rod alignment If either the bend or the twist exceeds the specified limit,the connecting rod must be replaced. Bend per 100 mm (3.937 inch) Limit: 0.15 (0.0059) Twist per 100 mm (3.937 inch) Limit: 0.20 (0.0078)

2. Measure the connecting rod thrust clearance. Use a feeler gauge to measure the thrust clearance at the large end of the connecting rod If the clearance exceeds the specified limit, the connecting rod must be replaced. Standard: 0.16 mm - 0.35 mm (0.0063 inch - 0.0138 inch) Limit: 0.40 mm (0.0157 inch)

3. Measure the oil clearance between the connecting rod and the crankshaft.

    1. Remove the connecting rod cap nuts and the rod caps (12). Arrange the removed rod caps in the cylinder number order.
    2. Clean the rod bearings and the crankshaft pins.
      1. Carefully check the rod bearings. If even one bearing is found to be damaged or badly worn, the entire bearing assembly must be replaced as a set. Reinstall the bearings in their original positions. Apply plastigage to the crank pin.
      2. Reinstall the rod caps (12) to their original positions. Tighten the rod cap nuts. Torque: 54 Nm (40 ft. lbs.) Note: Do not allow the crankshaft to rotate.
      3. Remove the rod caps.
        1. Measure the width of the plastigage and determine the oil clearance. If the oil clearance exceeds the limit, replace the rod bearing as a set. Standard: 0.019 mm - 0.043 mm (0.0007 inch - 0.0017 inch) Limit: 0.08 mm (0.003 inch)
        2. Clean the plastigage from the bearings and the crankshaft pins.

May 21, 2009 | 2000 Isuzu Rodeo

1 Answer

Torque specs


2002 2.0L Duratech.

Don't have 2004 2.3L

  • NOTE: Use new connecting rod bearing cap bolts.
    NOTE: Do not fully tighten the connecting rod bearing cap bolts at this stage.
    Install the bearing caps.
  • Rotate the crankshaft through 180 degrees and insert pistons 2 and 3.
  • Position the corresponding bearing shells, clean and free of oil, into the connecting rod and the connecting rod bearing cap.
  • Coat the inner side of the bearing shells with engine oil.
  1. NOTE: The crankshaft must rotate freely, if necessary check and adjust the bearing clearances.
    Tighten the main bearing and connecting rod bearing bolts.
    1. Tighten the main bearing bolts in two stages.
      • Stage 1: 25 Nm.
      • Stage 2: 60 degrees.
    1. Tighten the connecting rod bearing bolts in two stages.
      • Stage 1: 35 Nm.
      • Stage 2: 90 degrees.
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Apr 28, 2009 | 2004 Ford Focus

1 Answer

Jeep cherokee with a 4.0 6 cyl when a start the motor cold it sounds like a diesel engine, lots of clanking. last a couple of seconds then goes away. replaced oil pump. no help there.


Lots of clanking when first started sounds like a worn rod bearing. Check the engine compartment and rev engine to listen for knocking. It will get progressively worse as time goes by. Nothing to do except buy/install new crankshaft kit from autozone, about $300+.

In the mean time, just change oil and put in some oil additive to lessen the knocking. High speeds will accelerate the wear of the rod bearing. The rod bearing is installed inside of the piston rod. This bearing goes around the crankshaft. It has very tight tolerances down to the thousands of an inch. When it gets worn, metal will flake off of the soft bearing material and contaminate your oil more. If you catch it early enough, you can replace the bearing without too much trouble. Here is what you need to do.

Find the bad bearing. If you hear the knocking with the engine on and under the hood, disconnect a sparkplug. If the knocking goes away, that is the bad bearing. Do this disconnecting/reconnecting until you identify the bad bearings. Now disconnect battery. Next loosen drive belt- done from steering pump. Loosen 2-13mm bolts on back, one on top and one on bracket on bottom. On bottom right-hand side of pump will be a long adjusting bolt. Loosen turn this bolt counter clockwise to loosen drive belt. Now jack vehicle from the frame, vehicle will raise but tires will remain on ground. keep going as high as your jack will go. Install jack stands on frame. This extends your suspension and keep body raised. Drain oil, remove steering damper. It's the shock absorber looking thing connected to your tie rods/center link. The easiest way to remove the oil pan is to get a 3/8 inch socket adapter for a cordless drill. The bolts will come out in a hurry if you do this. Keep track of where the double sided bolts are, they secure the fuel line brackets. After all are removed, wiggle, tug, and pull pan out. Now you will see the large main caps and the rod caps. The mains are bolted to the block and the rods will rotate up and down with the spinning of the crankshaft. Spin the crankshaft to see. Each bearing cap needs to be marked. Use a center punch and hammer to mark from front to rear. 1 mark for rod cap 1 and so forth. You should end up with 6 marks on rod cap #6. Do the marking on the front side of the cap so you know how it fits back. Remove the rod caps that corresponded to the bad bearing identified earlier. Remove nut on cap. Wiggle cap back and forth until it comes loose. It will eventually come out. Inside the cap, you will see the bearing. It is basically a liner for the cap that rides on the crankshaft. there is one on the top of the rod too. Remove it by pushing rod up into cylinder and pulling it out with your hand. Ensure you remember the orientation of the bearings. One side has a notch, the other has a key that fits into a hole on the rod. Now you have the bearing in hand, check for scoring, or wearing on the face. Check the web for a nice color picture. Feel the crankshaft bearing area with your finger nail. It should be smooth and not ridged. Purchase some plastigage along with a standard .000 bearing. Clean rod surface, install new bearing and plastigage. Tighten to torque. Remove cap and measure plastigage for your oil clearance. Now you can purchase the correct bearing to match your oil clearance. If you don't have a repair manual, now's a good time to get it. It has bearing tolerances for you to get the correct bearing. After you have the correct bearings, use oil additive to grease up the new bearing/crank surfaces. Put everything back together, put some quality magnets inside of your oil pan near the drain hole and cross your fingers.

Nov 20, 2008 | Jeep Cherokee Cars & Trucks

1 Answer

S40 2004


The rods are held to the crankshaft by and end cap with 2 very strong 10 mm bolts and nuts, these are made from really tough steel, what can make a rod fail, well a loose end cap will quickly destroy and often break a rod, over reeving the engine is the most common cause, also a burned out bearing, any thing that causes the rod to exceed it structural design specs will make it fail.

Oct 22, 2008 | 2003 Volvo S40

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