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.
1993 Volvo 850 L5-2.4L VIN 55 B5254SFACTORY OEM SERVICE PROCEDURE
Piston Ring, Engine
PISTON PINS AND RINGS
All Measurements Given In Inches Unless Otherwise Specified.
Engine Model 1994-96 B5234T
Engine Liter 2.3L Turbo
Piston Std. Dia. [04]
Piston Pin Dia. 0.905
Piston Pin To Piston Clearance [02]
Piston Ring End Gap, [01]
Top .008-.016
Second .008-.016
Oil .010-.020
Piston Ring Side Clearance
Top .0020-.0033
Second .0012-.0026
Oil .0008-.0022
Engine Model 1993-96 B5254S
Engine Liter 2.5L
Piston Std. Dia. [04]
Piston Pin Dia. 0.905
Piston Pin To Piston Clearance [02]
Piston Ring End Gap, [01]
Top .008-.016
Second .008-.016
Oil .010-.020
Piston Ring Side Clearance
Top .0020-.0033
Second .0012-.0026
Oil .0008-.0022
[01] Pistons marked C, 3.7816-3.7820 inch
Pistons marked D, 3.7820-3.7824 inch
Pistons marked E, 3.7824-3.7828 inch
Pistons marked G, 3.7832-3.7836 inch.
[02] Piston pin should fit in connecting rod & piston using light thumb pressure.
[03] Pistons marked C, 3.2694-3.2698 inch
Pistons marked D, 3.2698-3.2702 inch
Pistons marked E, 3.2702-3.2706 inch
Pistons marked G, 3.2710-3.2714 inch.
[04] Pistons marked C, 3.2694-3.2698 inch
Pistons marked D, 3.2698-3.2702 inch
Pistons marked E, 3.2702-3.2706 inch
Pistons marked G, 3.2709-3.2715 inch.
All Measurements Given In Inches Unless Otherwise Specified.
Engine Model 1994-96 B5234T
Engine Liter 2.3L Turbo
Piston Std. Dia. [04]
Piston Pin Dia. 0.905
Piston Pin To Piston Clearance [02]
Piston Ring End Gap, [01]
Top .008-.016
Second .008-.016
Oil .010-.020
Piston Ring Side Clearance
Top .0020-.0033
Second .0012-.0026
Oil .0008-.0022
Engine Model 1993-96 B5254S
Engine Liter 2.5L
Piston Std. Dia. [04]
Piston Pin Dia. 0.905
Piston Pin To Piston Clearance [02]
Piston Ring End Gap, [01]
Top .008-.016
Second .008-.016
Oil .010-.020
Piston Ring Side Clearance
Top .0020-.0033
Second .0012-.0026
Oil .0008-.0022
[01] Pistons marked C, 3.7816-3.7820 inch
Pistons marked D, 3.7820-3.7824 inch
Pistons marked E, 3.7824-3.7828 inch
Pistons marked G, 3.7832-3.7836 inch.
[02] Piston pin should fit in connecting rod & piston using light thumb pressure.
[03] Pistons marked C, 3.2694-3.2698 inch
Pistons marked D, 3.2698-3.2702 inch
Pistons marked E, 3.2702-3.2706 inch
Pistons marked G, 3.2710-3.2714 inch.
[04] Pistons marked C, 3.2694-3.2698 inch
Pistons marked D, 3.2698-3.2702 inch
Pistons marked E, 3.2702-3.2706 inch
Pistons marked G, 3.2709-3.2715 inch.
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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