HELP!! Main Bearing and rod torques needed!!! - TCCoA Forums
 
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post #1 of 3 (permalink) Old 11-02-2003, 10:50 AM Thread Starter
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HELP!! Main Bearing and rod torques needed!!!

I cant find my manual after moving. I need main bearing and rod bearing bolt torque specs for a 94 3.8 ASAP. Thanks guys and gals!

94 3.8 Thunderchicken
59 Chevy Biscayne undergoing frame off rodstoration 383/Hilborn Stack EFI
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post #2 of 3 (permalink) Old 11-02-2003, 11:37 AM
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From my 95 manuals, 94 should be the same.

2. Install crankshaft as follows:

a. Install crankshaft main bearings in cylinder block. Note that third bearing from front is the crankshaft thrust main bearing (6337). Rear crankshaft main bearing on 3.8L SC engine is unique.

b. Lubricate crankshaft main bearings with Engine Assembly Lubricant D9AZ-19579-D or equivalent meeting Ford Specification ESR-M99C80-A, and carefully lower crankshaft into place. Use care to prevent damage to bearing surfaces.

c. NOTE: Prior to applying sealer, clean sealing surfaces with Metal Surface Cleaner F4AZ-19A536-A or equivalent meeting Ford specification WSE-M5B392-A, to remove all residues that may interfere with the sealer's ability to adhere.

Apply a 3 mm (1/8 inch) bead of Silicone Rubber, D6AZ-19562-BA or D6AZ-19562-AA or equivalent meeting Ford Specifications ESB-M4G92-A and ESE-M4G195-A to cylinder block rear main bearing cap parting line.

d. Install crankshaft main bearings in crankshaft main bearing caps and install caps. Note that caps are numbered with triangles. Cap No. 1 is located at the front of cylinder block with triangle facing front of cylinder block.

e. Install main bearing cap retaining bolts.

f. CAUTION: Do not jam prybar into place. Tap into position only enough to hold crankshaft forward while cap bolts are tightened.

Before tightening crankshaft main bearing cap retaining bolts, wedge a prybar between cylinder block web and crankshaft cheek located in front of No. 3 crankshaft main bearing.

g. Tighten crankshaft main bearing cap retaining bolts to 110-120 N-m (81-89 lb-ft) and remove prybar.

3. Check crankshaft end play. Refer to «Section 03-00».

4. Install pistons as follows:

a. Install connecting rod bearings (6211) in connecting rods (6200) and connecting rod caps.

b. NOTE: Lubricate piston and cylinder walls with Engine Assembly Lubricant D9AZ-19579-D or equivalent meeting Ford Specification ESR-M99C80-A before installation.

NOTE: Scratching of crankshaft journal can be prevented by covering connecting rod bolts with ignition wire spark plug boots or flexible hose.

Install pistons using Rotunda Piston Ring Compressor 014-00290 or equivalent. The notch in piston dome must face the front of engine.



c. Install connecting rod caps and retaining nuts. Tighten retaining nuts to 41-49 N-m (31-36 lb-ft).

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post #3 of 3 (permalink) Old 11-03-2003, 10:11 AM Thread Starter
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Thanks Alot!!!

94 3.8 Thunderchicken
59 Chevy Biscayne undergoing frame off rodstoration 383/Hilborn Stack EFI
54 Ford Customline Coupe 351/AOD
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