What size are the water pump bolts?
For most water pumps, you will need bolts with a 5/16-inch thread width, and the width of the head may vary from 13 mm to 15 mm.
Do water pump bolts need to be torqued?
You shouldn’t need a torque wrench for a water pump. Just tighten the bolts tight enough so that the gasket doesn’t leak. A good practice is to not tighten the bolts in a circle pattern but in a cross pattern and tighten each gradually.
How do you tighten a bolt on a water pump?
They should be tight. Use your calibrated elbow, tighten until tight, then go 1/8th turn more. Tighten both bolts evenly in progressive stages. Do not tighten one bolt max then tighten the other bolt max.
What size are SBC water pump bolts?
Fits Small Block Chevy (SBC). These bolts are 2″ long (under head) 2 1/4″ overall with 1″ threaded.
Can you over tighten a water pump?
When installing the new pump, remember: Do NOT force the pump on by striking the end of the shaft. Excessive tightening of belts running over the water pump pulley is the major cause of premature bearing failure and breaking of the bearing shaft or housing.
Can you tighten a water pump?
When installing the new pump, remember: Do NOT force the pump on by striking the end of the shaft. Tighten mounting bolts gradually and evenly in a staggered sequence to the vehicle manufacturer’s torque specifications. Failure to do so can result in early failure or damage to the new pump.
What size are SBC crank pulley bolts?
Compatible/Replacement for CHEVY SMALL BLOCK CRANK PULLEY/LOWER PULLEY BOLT KIT (7/16″-20 x 1″) – CHROME.
What size are SBC intake bolts?
King Chrome Small Block Chevy Intake Manifold Bolt Kit, Hex Head
| Brand | Speedway Motors |
|---|---|
| Overall Length | 1.25″ |
| Under Head Length | 1.00″ |
| Thread Pitch | 3/8″-16 |
| Wrench Type | Hex |
Should you use silicone on water pump gasket?
Don’t apply sealant to an O-ring or a dry seal. When changing a water pump, replace all old gaskets and seals with new ones. The sealant will clump together into chunks that contaminate the coolant and can cause leakage or do terrible damage to the thermostat.