Volvo Workshop Manuals
940 L4-2.3L SOHC VIN 88 B230F (1992)
Engine, Cooling and Exhaust > Engine > Coolant Pump <--> [Water Pump] > Component Information > Fundamentals and Basics > Initial Preparations > Page 3567
Coolant Pump: Fundamentals and Basics
WATER PUMP INSTALLATION TIPS AND HINTS
Compare the old pump to the new pump and verify:
Shaft lengths match exactly.
Retaining bolt holes match exactly.
Install the fan retaining studs into the shaft flange prior to installing the pump. The studs are much easier to install with the pump out of the vehicle
Prior to applying the sealant to the gasket and pump, practice installing the pump to the engine. If any problems are encountered they will be easier
Verify the retaining bolts and bolt holes have clean threads. Re-tap or chase the threads as necessary.
To simplify the gasket installation process and minimize errors, install the gasket as follows:
1. Verify the gasket is correct.
CAUTION: Excess sealant will squeeze out on the inside of the pump and may block the radiator or heater core coolant passages.
3. Install two retaining bolts through the pump.
NOTE: This will help maintain the correct alignment of gasket in the next step.
4. While holding the bolts, place the gasket over the bolts and onto the pump sealing surface.
Do not over tighten the retaining bolts, use a torque wrench to properly tighten the bolts to the correct specification.
CAUTION: Water pump retaining bolts may be easily broken or stripped, do not tighten the retaining bolts with an air wrench or impact gun.
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