1986-1987 Isuzu NPR Diesel




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Engine 4BD1/4BD1-T
Diesel engine oil 15W-40 8.0L (2.1 gals)
Compression Pressure 441 max, 313 minimum (psi)
Transmission (manual) SAE 40 oil above 32 C (90F) SAE 5W-30 SF below 32 (90F)  2.5 Liter (0.66 gal)
Rear Axle gear oil SAE 90 GL-4 Use oil viscosity chart 3.0L (0.79 gal)
Engine coolant 50/50 blend of Ethyl Glycol & Water 14 Liter (3.7 gal)
Brake/Clutch Fluid Dot 3
Power steering Dexron or Dexron II
Air Conditioning R-12 32oz
A/C Oil Suniso oil P/N# 351 or 5GS 9.15 oz
Brake Drum Standard 320mm(12.60in) Limit 321.5mm(12.66in)


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