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Roy Lovato Posted on Nov 15, 2016
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Main bearing torque specifications connecting rod crank shaft mazda protege 2002 2.0liter

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Marvin

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  • Mazda Master 85,242 Answers
  • Posted on Nov 15, 2016
Marvin
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Main Bearing Cap Bolts - 2 Steps:
Initial 15Ft Lbs; +90degrees more of bolt head rotation.

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1answer

Need torque for ford wlt 2.5L turbo main bearings and conrod bearings

The torque specifications for the main bearings and connecting rod bearings in a Ford WL/WLT 2.5L Turbo engine may vary depending on the specific model year and engine configuration. However, as a general guideline, here are the torque specifications for the main bearings and connecting rod bearings in this engine:
Main bearings:
  1. Torque the main bearing cap bolts in three stages in the following sequence:Stage 1: 30 Nm (22 lb-ft)
    Stage 2: 80 Nm (59 lb-ft)
    Stage 3: 90 degrees
  2. After the final torque of 90 degrees, check the bolt stretch with a torque angle gauge. The stretch should be between 0.15mm and 0.30mm.
Connecting rod bearings:
  1. Torque the connecting rod cap bolts in two stages in the following sequence:Stage 1: 30 Nm (22 lb-ft)
    Stage 2: 90 degrees
  2. After the final torque of 90 degrees, check the bolt stretch with a torque angle gauge. The stretch should be between 0.15mm and 0.30mm.
It is important to note that these torque specifications are general guidelines and may vary based on the specific model year and engine configuration. Always refer to the manufacturer's service manual or consult a certified mechanic for the exact torque specifications for your specific vehicle
0helpful
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Mazda demio zj engine torque settings

Here are some common torque settings for the Mazda Demio with the ZJ engine:
  1. Cylinder head bolts - 35-40 Nm (26-30 lb-ft)
  2. Main bearing bolts - 54-61 Nm (40-45 lb-ft)
  3. Connecting rod bolts - 25-29 Nm (18-21 lb-ft)
  4. Camshaft bearing cap bolts - 8-10 Nm (6-7 lb-ft)
  5. Intake manifold bolts - 22-25 Nm (16-18 lb-ft)
  6. Exhaust manifold bolts - 25-28 Nm (18-21 lb-ft)
  7. Flywheel bolts - 78-85 Nm (58-63 lb-ft)
It's important to note that these torque settings may vary depending on the specific year and model of your Mazda Demio. Always refer to your vehicle's service manual for the correct torque specifications.
0helpful
1answer

Need torque settings for mazda xa 3.0l diesel 4 cyl

con rod bolt tension is 55-60ft/lbs
crank shaft main bearings is 80-85 ft/lbs
fly wheel bolts95-100 ft/lbs
crank shaft pulley nut 94-123 ft/lb
head studs tension 80-95 ft/lbs working in a spiral direction from no 1 stud directly in the centre of the head. Pull down in 10ft/lb increment starting at 20 ft/lbs
valve clearance is .010" both valves cold but after warming engine and re-tensioning the head studs re set valves to .012 both valves
injector retaining nuts tension12-17 ft/lbs
0helpful
1answer

'02 protege rod and main bearing sizes?

12 point 10mm and 12 point 12mm.
4helpful
1answer

2004 mazda 6 3.0L V6 main bearing caps(bootom end) has 16 bolts need torgue specs please!

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
3helpful
1answer

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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