Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1995 Mazda 626 L4-1991cc 2.0L DOHCFACTORY OEM SERVICE PROCEDURE
Accumulators
CAUTIONS:
- Each valve should slide out/in under its own weight.
- When a valve will not slide out under its own weight, depending on the valve, push it out with a wire or place the valve body open-side down and lightly tap it with a plastic hammer. Never scratch or otherwise damage a valve surface or bore.
- Do not drop or lose the valves or internal parts.
- Before assembly, make sure all parts are thoroughly clean.
- Apply ATF to all parts and bores.
- Note the proper direction of the valve and internal parts.
- Do not reuse any part that has been dropped.
- Wrap a screwdriver or rod with tape before using it to insert a valve.

DISASSEMBLY
- Disassemble in the order shown in the illustration, referring to the following note:

2/4 Accumulator Plug
1. Remove the 2/4 accumulator plug by using a bolt.

2. Remove the 2/4 accumulator plug seal. Discard the seal.
INSPECTION
- Inspect all parts and repair or replace as necessary.
- Springs must not be twisted.
- Springs must not be damaged.
ASSEMBLY
- Assemble in the reverse order of disassembly, referring to the following note:
2/4 Accumulator Plug Seal
1. Install a new seal on the 2/4 accumulator plug.

2. Lubricate the plug and install.
CAUTION: Do not push the plug into the bore beyond flush or damage to the seal will occur.

3. Install the retaining plate by using needle-nosed pliers.
- Each valve should slide out/in under its own weight.
- When a valve will not slide out under its own weight, depending on the valve, push it out with a wire or place the valve body open-side down and lightly tap it with a plastic hammer. Never scratch or otherwise damage a valve surface or bore.
- Do not drop or lose the valves or internal parts.
- Before assembly, make sure all parts are thoroughly clean.
- Apply ATF to all parts and bores.
- Note the proper direction of the valve and internal parts.
- Do not reuse any part that has been dropped.
- Wrap a screwdriver or rod with tape before using it to insert a valve.
DISASSEMBLY
- Disassemble in the order shown in the illustration, referring to the following note:
2/4 Accumulator Plug
1. Remove the 2/4 accumulator plug by using a bolt.
2. Remove the 2/4 accumulator plug seal. Discard the seal.
INSPECTION
- Inspect all parts and repair or replace as necessary.
- Springs must not be twisted.
- Springs must not be damaged.
ASSEMBLY
- Assemble in the reverse order of disassembly, referring to the following note:
2/4 Accumulator Plug Seal
1. Install a new seal on the 2/4 accumulator plug.
2. Lubricate the plug and install.
CAUTION: Do not push the plug into the bore beyond flush or damage to the seal will occur.
3. Install the retaining plate by using needle-nosed pliers.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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