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Pelican Technical Article:

Battery Replacement

Nick Czerula

Time:

1 hour1 hr

Tab:

$150

Talent:

***

Tools:

Socket 10mm, flathead screwdriver

Applicable Models:

Volvo V70 (1998-01)
Volvo V70 2.4T (2001)
Volvo V70 AWD (1998-99)
Volvo V70 GLT (1998-00)
Volvo V70 GLT SE (2000)
Volvo V70 R (1998)
Volvo V70 R AWD (1999-00)
Volvo V70 T5 (1998-01)
Volvo V70 X/C (2001)
Volvo V70 X/C AWD (1998-00)
Volvo V70 X/C AWD SE (2000)

Parts Required:

Battery

Hot Tip:

Wear eye and hand protection

Performance Gain:

Car will start well

Complementary Modification:

Replace battery tray

The battery in your Volvo V70 is a lead acid battery. A lead acid battery is a storage battery with an active material of lead and lead peroxide and with an electrolyte solution of water and sulfuric acid. Maintenance-free, low-maintenance and gel-cell batteries are types of lead-acid batteries. V70s are equipped with a 6-cell 12-volt lead acid battery. Each cell consists of lead plates in a lattice and completely covered with sulphuric acid (the electrolyte). The chemical reaction between lead and sulphuric acid produces a nominal 2 volts per cell; the six-cells together provide the approximately 12 volts required to operate electrical and electronic components in the vehicle. After the battery is used to start the engine, the alternator (powered via the engine accessory belt) takes over electrical generation and also replenishes the charge that the battery used in starting the engine.

The battery in Volvo V70 models is located in the left front of the engine compartment. When replacing your battery, be sure to use a high quality unit. Replacing the battery can be done in a short amount of time. Read the battery connection notes before disconnecting the battery. Before disconnecting your battery, remove the key from the vehicle and store it in a safe place and note the radio presets. When the battery is reconnected or loses its charge, the following items may need attention (depending on vehicle equipment). You may have to reset your clock, enter the radio presets, initialize power windows, initialize the sunroof and normalize the steering angle sensor.

Remember that your car may have been serviced before and had parts replaced with different size fasteners used in the replacement. The sizes of the nuts and bolts we give may be different from what you have so be prepared with different size sockets and wrenches.

Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. If you're working with the electrical system, disconnect the battery before beginning. Always catch fluids in appropriate containers and properly dispose of any fluid waste. Recycle parts, packaging and fluids when possible. Never work on your vehicle if you feel the task is beyond your ability.

Our vehicle may vary slightly from yours as models do change and evolve, as they grow older. If something seems different, let us know and share your info to help other users. Do you have questions or want to add to the article? Leave a comment below. When leaving a comment, please leave your vehicle information.

Charging battery: You can connect a battery charger directly to the battery under the hood at the positive (+) (red arrow) and negative (-) (green arrow) terminals.
Figure 1

Charging battery: You can connect a battery charger directly to the battery under the hood at the positive (+) (red arrow) and negative (-) (green arrow) terminals. However, I suggest removing the battery from the vehicle during charging. At the minimum, disconnect the battery cables when charging. Follow the manufacturer's instructions on settings and using the battery charger. Jump Starting vehicle: A vehicle with a discharged battery can be jumpstarted using a good battery or a good battery in another vehicle. When jumpstarting: Be sure to work in a well-ventilated area. Batteries can produce an explosive gas. Wear gloves and eye protection. If battery acid comes in contact with your skin, immediately flush with water and seek medical assistance. Move both vehicles close together but do not allow then to touch. Turn the ignition OFF in both vehicles. Connect one end of the positive jumper cable to the positive (+) battery terminal of the vehicle with the good battery. Connect the other end of the positive jumper cable to the positive (+) terminal (red arrow) of the vehicle with the discharged battery. You will have to flip open the lid on the positive (+) terminal on your V70. Connect one end of the negative (-) cable to the negative (-) battery terminal of the vehicle with the good battery. Connect the other end of the negative (-) jumper cable to the negative (-) battery terminal (green arrow) of the vehicle with the discharged battery. Start the engine on the vehicle with a good battery. Allow it to idle, then raise the engine run rate to 2000 RPM. Next, start the engine of the vehicle with the discharged battery. Once the vehicle with the discharged vehicle starts, shut OFF any electrical accessories, radio, HVAC blower, etc. Carefully disconnect the jumper cable in the reverse order you connected them in. Allow the vehicle with the dead battery to idle to recharge the battery.

Replacing battery: Keep your battery (red arrow) and battery terminals clean.
Figure 2

Replacing battery: Keep your battery (red arrow) and battery terminals clean. Clean them with baking soda and water during each service.

Replacing battery: Start by removing the positive terminal cover (red arrow).
Figure 3

Replacing battery: Start by removing the positive terminal cover (red arrow). Lift it straight up to remove it.

Replacing battery: Using a ratchet and a 10mm socket, loosen the negative (-) battery cable (red arrow).
Figure 4

Replacing battery: Using a ratchet and a 10mm socket, loosen the negative (-) battery cable (red arrow).

Replacing battery: Remove the negative (-) battery cable from the battery.
Figure 5

Replacing battery: Remove the negative (-) battery cable from the battery.

Replacing battery: Move the negative (-) cable aside (green arrow) and cover it so it does not accidentally come in contact with the battery terminal.
Figure 6

Replacing battery: Move the negative (-) cable aside (green arrow) and cover it so it does not accidentally come in contact with the battery terminal.

Replacing battery: Using a ratchet and a 10mm socket, loosen the positive (+) battery cable (red arrow).
Figure 7

Replacing battery: Using a ratchet and a 10mm socket, loosen the positive (+) battery cable (red arrow). 

Replacing battery: Remove the positive (+) battery cable from the battery.
Figure 8

Replacing battery: Remove the positive (+) battery cable from the battery.

Replacing battery: Release the mounting clip at the front right corner of the battery (red arrow).
Figure 9

Replacing battery: Release the mounting clip at the front right corner of the battery (red arrow). Pull the clip up at an angle to remove it.

Replacing battery: Move the battery toward the right side of the vehicle to free it from the mount (green arrow).
Figure 10

Replacing battery: Move the battery toward the right side of the vehicle to free it from the mount (green arrow). The battery should slide over about a half inch.

Replacing battery: Lift the battery up and remove it from the vehicle.
Figure 11

Replacing battery: Lift the battery up and remove it from the vehicle. Be careful and make sure you have a good grip; the battery is quite heavy. You will have to move cables around and keep them out of the way as you remove the battery from the vehicle.

Replacing battery: Clean the battery compartment thoroughly.
Figure 12

Replacing battery: Clean the battery compartment thoroughly. Clean corrosion from the battery cable ends if present.

Replacing battery: Install the battery in its compartment and slide it to the left.
Figure 13

Replacing battery: Install the battery in its compartment and slide it to the left. Be sure the end of the battery (red arrow) is fully seated below the tab (green arrow), as shown by yellow arrow.

Replacing battery: Install the hold down clip.
Figure 14

Replacing battery: Install the hold down clip. Line up the ridge on the clip (red arrow) with the closest slot on the battery tray to the battery (green arrow). Connect the positive (+) cable. Next, connect the negative (-) cable.

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