What size combination wrench should I use when preparing…?

…to install a car battery?

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3 Responses to “What size combination wrench should I use when preparing…?”

  1. Depends on the car and cables…1/2-9/16, 7/16-1/2, 5/16-3/8 on side terminals…10,12, 14 metric…or just use an adjustable wrench instead.

  2. That will depend on your car. Mine uses a 5/16 wrench on the cable bolts (side mount connection battery). I have used a 12 mm, 7/16, and even 1/2 inch wrenches.
    On the battery hold down bolt I have used 10mm thru 12 mm and 3/8 to 12 inch sockets with long extensions.

  3. It depends on the car. Most foreign cars require a 10mm or 8mm wrench. Some have 13mm and 13mm or 14mm wrench to remove the hold down bolt.
    Most GM cars use a 5/16 or 8mm (same size) connection bolts.
    Some 13mm and 10mm also.
    get a set 6mm to 15mm sockets and a set of
    1/4″ to 1/2″ sockets.
    A cheapie set from Walmart will work. Sears has nice sets of 1/4 drive deep socket sets metric and SAE for $10 each set when on sale.
    Normally $20 each set

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