Text preview for : en_sect_1.pdf part of Daewoo Nubira/Lacetti Also known as: Chevrolet Nubira / Lacetti, Chevrolet Optra Optra5, Suzuki Forenza Reno Covers the 1.4L, 1.6L and 1.8L engine. Year 2004



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SECTION 1

ENGINE
SOHC ENGINE MECHANICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1B ­ 1 DOHC ENGINE MECHANICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1C ­ 1 ENGINE COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1D ­ 1 ENGINE ELECTRICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1E ­ 1 ENGINE CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1F ­ 1 ENGINE INTAKE & EXHAUST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1G ­ 1

ENGINE

DEFECT CODE
NATURE CODE
N01 N02 N03 N04 N05 N06 N07 N08 N09 N11 N12 N13 N14 N15 N16 N17 N18 N20 N21 N22 N23 N24 N25 N26 N27 N28 N29 N30 N31 N32 N33 N34 N35 N36 Hard start, no start Poor idle Surge, hesitate, stumble Engine noise, engine knocking noise Choke malfunction Engine stalled (general) Excessive fuel consumption Excessive oil consumption Overheated Engine run­on Flooded, overflowing Poor acceleration, uneven acceleration Abnormal combustion Lack of engine power Percolation Improper exhaust gas (black gas, white gas) Backfire, afterfire Blocked Shuddering, pulsation, vibration, chattering Slippage ( = slipping) Difficult engagement Difficult disengagement Abnormal shifts Impossible shifts Squeaking, squealing, abnormal(wind) noise Dragging Pulls Stalled while driving Stalled while idling Stalled between shifts Stalling during sudden braking Fails to reach normal operating temperature RPM too low RPM high N37 N38 N39 N40 N43 N46 N47 N51 N52 N55 N57 N60 N61 N62 N63 N64 N65 N66 N67 N68 N71 N72 N73 N77 N82 N84 N85 N86 N91 N92 N93 N94 N99 Jumping­out Improper synchronizing Oil diluted Misfire Excessive shock Misaligned or mismatched Weak Deteriorated Distortion, rainbow, waving Rust, corrosion, perforation. Loose, poor fit Excessive vibration Dead battery Inaccurate (meter, gauge, etc.) Poor sound (horn, radio, etc.) Overcharged, discharged Electrical failures Blown fuse Warning light on Intermittent operation Oil leak, oil entering Water leak, water entering Leaks­other (air, fuel, refrigerant, vacuum) Improper memory Loosening, falling­off, sagged Improper opening and/or closing Grabbed Poor maneuverability Interference or hitting Inoperative High/low operating effort Special policy Undefined

CAUSE CODE
R01 R02 R03 R04 R05 R06 R07 R08 R09 R11 R12 R13 R14 R15 R16 R17 Scored, scratched or chipped Frozen Peeling, come­off Rusty, corroded Split, cut or torn Broken or cracked Porous, pin holes, cavity Bent, kinky, twisted, distorted, warped or wrinkled Stripped ­ bolts, holes, nuts Weakened, loss of tension or resilience (spring, cushion, etc.) Abnormal wear Out of balance Out of round Loose or improper connection Open circuit or short circuit Burnt or burned­out R18 R19 R21 R22 R23 R24 R25 R26 R27 R28 R31 R32 R33 R34 R35 R36 R99 Grounded or shorted Improperly machined Improper clearance, back lash, free play Lack of lubricants Improper welding or soldering, welding or soldering omitted Improper tightening, fit or assembly Sticks, binds, seized Foreign material, clogged Improper sealing, sealer omitted or skipped Improper adjustment Incorrect part Improperly installed Improperly routed Missing part Flaw in material Contaminants Undefined