Service Manual, General Motors 4.3L Engine (TP ... - Kohler Power

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6-124 Marine/Industrial 4.3L Engine 4. Measure the alignment or surface flatness of the exhaust manifold flanges using a straight edge and a feeler gauge. Refer to Engine Mechanical Specifications. If the surface flatness is not within the specifications, the exhaust manifold is warped and must be replaced. 334528 480571 Water Pump Clean and Inspect Caution: Refer to Safety Glasses Caution in Cautions and Notices. 1. Remove all the old gasket material from the water pump sealing surfaces. 2. Clean all the dirt and any debris from the water pump. 3. Inspect the water pump for the following: • Leakage or damage to the housing cover or gasket (1) • Excessive scratches or gouging to the gasket sealing surfaces (2) • Leakage from the water pump vent hole (3) A stain around the vent hole is acceptable. If leakage occurred (dripping) with the engine operating and the cooling system pressurized, then replace the water pump. • Damaged bolt hole threads (4) • Excessive side-to-side movement of the water pump shaft (5) • Leakage around the water inlet pipe (6) • Leakage around the heater hose pipe (7) • Restrictions within the internal coolant passages 2000 Marine/Industrial
Engine Marine/Industrial 4.3L 6-125 Thread Repair General purpose thread repair kits are available commercially. Caution: Refer to Safety Glasses Caution in Cautions and Notices. Important: Refer to the thread repair kit manufacturer’s instructions regarding the size of the drill and which tap to use. Always avoid any buildup of chips. Back out the tap every few turns and remove the chips. Determine the size, the pitch and the depth of the damaged thread. 1. Adjust the stop collars on the cutting tool as needed. Tap the stop collars to the required depths. 2. Drill out the damaged thread. 3. Remove the chips. 4. Apply clean engine oil to the top thread. 5. Use the tap in order to cut new thread. 6. Clean the thread. 7. Screw the thread insert onto the mandrel of the thread insert installer. Engage the tang of the thread insert onto the end of the mandrel. Important: The thread insert should be flush to 1 turn below the surface. 8. Lubricate the thread insert with clean engine oil (except when installing in aluminum) and install the thread insert. 9. If the tang of the thread insert does not break off when backing out the thread insert installer, break off the tang using a drift punch. 4962 4963 2000 Marine/Industrial
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Service Engine Engine Model: Genera
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Table of Contents Caution Introduct
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Table of Contents, continued Valve
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Introduction This service manual pr
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Cautions and Notices Definition of
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Engine Marine/Industrial 4.3L 6-1 E
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Engine Marine/Industrial 4.3L 6-3 F
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Engine Marine/Industrial 4.3L 6-5 E
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Engine Marine/Industrial 4.3L 6-7 G
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Notes
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Service Manual, General Motors 4.3L Engine (TP ... - Kohler Power

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