Water pump bolt tourque on 2004 dodge ram 1500 5.7

Compare, or check with the parts makers for compatibility lists. They often say fits 'x, y, z models. Rock Auto is a great website for this
https://www.rockauto.com/en/catalog/dodge,2004,ram+1500+pickup,4.7l+v8,1424629,steering,power+steering+pump,7380

https://www.google.com/search?q=2001+Dodge+Ram+1500+5.2+power+steering+pump

They look different

https://www.google.com/search?q=2004+Dodge+Ram+1500+4.7+power+steering+pump

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Install the cylinder heads. Use new gaskets and tighten the bolts, in sequence, as follows:

1. Step 1: Bolts 1-8 to 20 ft. lbs. (27 Nm)
2. Step 2: Bolts 1-10 verify torque without loosening
3. Step 3: Bolts 9-12 to 10 ft. lbs. (14 Nm)
4. Step 4: Bolts 1-8 plus 1 / 4 (90 degree) turn
5. Step 5: Bolts 9-12 to 19 ft. lbs. (26 Nm)

Here's how to replace water pump.Here's the water pump.Here's how to replace the thermostat.Here's the thermostat.

You could pull the serpentine belt and run the engine to see if the noise continues. The bearing for one of the pulleys could be failing, including the water pump and alternator.
It could also be the fan and fan clutch on the water pump.

take out bolts, and the crossmember. if its 2wd, it doesnt get much easier. Be sure the oil pump pickup is clean, these engines seem to sludge up, use a good quality synthetic oil like Mobil1

The torque specs for what nut or bolt? Each has it's own rating. Some may be as low as 5 ft lbs, some may be as high or higher than 100 ft lbs

NAPA auto parts store offer that but get a good rep not a new employee

Remember, fan has a reverse thread. Righty-tightey, lefty-loosey does not apply. You need a clutch fan wrench. (available at your local auto parts store.)

3.7L/4.7L:LOCATED IN LOWER HOUSING ATTACHED TO TIMING COVER..WHERE LOWER RAD HOSE GOES TO ENGINE..PLASTIC HOUSING WITH 2 BOLTS.
5.7L:IN WATER PUMP UPPER HOUSING WHERE METAL HOUSING ATTACHES FROM UPPER RAD HOSE..MAKE SURE ON ALL ENGINES YOU REMOVE BLEED PLUG WHEN REFILLING COOLING SYSTEM TO GET RID OF AIR TO PREVENT ENGINE OVERHEATING