Core exchange

Brake caliper return criteria:

• The core part must match the purchased product.
• The core part must be complete.
• All caliper guide pins, fasteners, connecting and bleeder screws must be present.
• The core part must not have excessive corrosion damage.
• The core part must not be cracked or machined.
• Only core parts that are suitable for reprocessing can be taken back and the core charge refunded.
• The label on the packaging must not be soiled, missing, or have any extra marks or writing.
• * These instructions are for information purposes only. Each case is considered individually (each spare part undergoes an individual examination by a manufacturer).

Original packaging

• Bosch, Elstock, GKN parts must be returned in their original packaging, or else the part cannot be accepted. This is a requirement from the supplier.

Alternator return criteria:

• Unidentifiable alternators will not be accepted.
• Manufacturer's OE label is present, or the OE number etched on the alternator is readable/recognisable.

Corrosion

• The alternator has not been stored for a long time after being dismantled, and has no corrosion marks on the belt pulley.
• Heavily corroded alternators.

Damage level

• Damaged plastic cover.
• A missing rib on the front and/or rear end fitting.
• Connector broken below the seal.
• Two missing ribs on the front and/or rear end fitting.
• Connector broken up to the seal

Completeness of the alternator:

• The alternator is complete and assembled.
• Disassembled or incomplete alternator.
• The used alternator must have the same power output as the new one. Otherwise, the core charge cannot be returned.

Starter return criteria:

• The unit is accepted.
• The unit is rejected.

Identifiability

• Unidentified starters will not be accepted.
• Manufacturer's OE label is present, or the OE number etched on the alternator is readable/recognisable.

Damage level

• Beading of the relay housing is not damaged.
• Damage to the starter relay plastic part.
• The starter is deformed/damaged, e.g. due to impact on the housing, broken housing, or a worn pinion.
• The shaft is heavily discoloured due to overloading (e.g. a blue colour due to overheating).

Corrosion:

• The starter has not been stored for a long time after being dismantled, and has no corrosion damage.
• Heavily corroded starter.

Completeness of the starter

• The starter is complete and assembled.
• Disassembled or incomplete starter.
• Heavy corrosion of the pinion.
• Missing rear plate.
• Damaged front cover.
• * These instructions are for information purposes only. Each case is considered individually (each spare part undergoes an individual examination by a manufacturer).

Driveshaft return criteria:

• The returned core must be of the same type as the new core part.
• The driveshaft must be complete – consisting of the interconnecting shaft and both joints.
• The interconnecting shaft must be straight. Bent shafts cannot be remanufactured.
• The interconnecting shaft must not be rusted or broken.
• The thread of the joints must be complete and fitting tightly.

A/C compressor return criteria:

• The unit will be rejected if:
• It is severely corroded (damaged area >3 cm²).
• Not all connections for piping are tightly closed with original caps.
• The shaft cannot be manually rotated by 360°.
• The part cannot be identified (the nameplate is illegible or missing).

Return criteria for power steering pump:

• The core part will be accepted if:
• 1. The used pump is returned in the original packaging.
• 2. The pump is complete and corresponds to the part from the catalogue.
• 3. There is no mechanical damage.
• 4. The thread is in good order.
• 5. The pump cannot be returned with the damaged pulley and shaft.
• 6. There is no damage to the pulley, shaft, or adapter.
• 7. The cap is not missing or damaged.

The core part will be accepted if:

• 1. The used steering gear is returned in the original packaging.
• 2. The steering gear is complete, i.e. it includes:
• - dust boots
• - pressure hoses
• - tie rods (if supplied with the new part)
• 3. The steering gear is not strongly corroded.
• 4. There is no mechanical damage, the part is not bent, the steering rack function is not impaired, fasteners are not damaged.
• 5. No bending or breaking of the tie rod(s); no damage to the thread.
• 5. No bending or breaking of the tie rod(s); no damage to the thread.
• 7. The shaft and the splines are not damaged.
• 8. The returned steering gear matches the new one.

Turbocharger return criteria:

• The core part should be returned complete and assembled.
• None of its elements should be dismantled, replaced or removed.
• The returned core must be of the same type as the new core part.

Injector return criteria

• Part disassembled -> not acceptable
• Nozzle missing -> not acceptable
• Injector return criteria
• Connector damaged -> not acceptable
• Connector broken -> not acceptable
• Connector melted -> not acceptable
• Inlet connector damaged -> not acceptable
• Damage to injector body caused by inappropriate handling (e.g. hammer) -> not acceptable
• Seal seat damaged -> not acceptable

Core parts are accepted if:

• The returned core part is the same type as the new part.
• The injector pump is complete and undamaged.
• No damage.
• The control valve is not damaged.

Core parts that have the following defects can not be returned:

• Disassembled
• Missing parts
• Heavy corrosion

Car battery return criteria:

• The manufacturers do not impose special requirements on used car batteries. Nonetheless, we strongly recommend not to open used batteries and not to drain fluids (electrolytes) out of them, as this is dangerous.

How to return a used car battery:

• 1. Bring the used battery to our warehouse at this address: AUTODOC SE (Retoure - Lager R) Rhinstrasse 132 12681 Berlin.

Ignition distributor return criteria:

• The unit should not have signs of severe corrosion.
• The distributor cap should not be missing.
• The connector must not be missing.
• The unit must be complete.
• Unidentifiable ignition distributors will not be accepted.