Loose or damaged bolts: Check the bolts that hold the transfer case to the transmission and the driveshaft to the transfer case. If any of these bolts are loose or damaged, they could allow transmission fluid to leak out. Tighten any loose bolts and replace any damaged bolts.
Worn or damaged seals: The seals between the transfer case and the transmission, and between the transfer case and the driveshaft, can wear out or become damaged over time. This can allow transmission fluid to leak out. Replace any worn or damaged seals.
Cracked transfer case: If the transfer case itself is cracked, it will leak transmission fluid. This is a more serious problem that will require replacing the transfer case.
To repair a Chevy 305 truck that is leaking transmission fluid out of the transfer case, you will need to:
1. Identify the source of the leak. This can be done by visually inspecting the transfer case and the surrounding area for any leaks.
2. Once the source of the leak has been identified, you will need to repair it. This may involve tightening or replacing bolts, replacing damaged seals, or replacing the transfer case itself.
3. Once the repair has been made, you will need to refill the transfer case with transmission fluid.
It is important to note that working on a transfer case can be dangerous, so it is important to take safety precautions, such as wearing gloves and safety glasses. If you are not comfortable working on your own vehicle, you should take it to a qualified mechanic.