Catalog: GM Goodwrench Engines Catalog
Company/Brand: GM Goodwrench
engine block in GM Goodwrench Engines Catalog by GM Goodwrench
August 2004 GOODWRENCH REMANUFACTURED ENGINES COMPONENT SUMMARY LIST cont. ... from OE Specifications Cylinder Block Balance Shaft Bore Same as OE ... finish and geometry as OE varies by engine family. Deck Height Same to .010" ... .030" undersize (Dia) varies by engine family same surface finish and geometry ...
III Page 10 August 2004 TRANSFERABLE ENGINE COMPONENTS cont. Exhaust Manifold ... the water pump when installing a new engine. However, if the old pump is reused, ... , with no side play, and the body and block seals should be free from distortion ... surfaces on new and remanufactured engines and/or cleaning parts from the failed ... engine to be reused, the use of surface ...

most important items in installing an engine. It is important to rid the system of ... contaminants to ensure that the new engine has the proper heat transfer taking ... place. Otherwise, the engine will over heat and cause considerable ... the radiator thoroughly and check for blockages. Replace or inspect hoses and check for ... working order, the chance of repeat engine failure is significantly reduced. If ... the old engine is still running, flush the cooling ... system before removing the old engine. If the engine is not running, be sure ... after replacing it with the new engine. Refer to the service manual for the ... of the steps involved in installing an engine. They give a general overview of the ... transferable components from the old engine should be placed on the new engine. To ...

PROCEDURES cont. 8. Rotate the engine on the engine stand so that the intake ... and camshaft. 10. Pre-lube the engine with A.P.I. Starburst certified motor ... oil. Pre-lubing the engine is necessary to avoid dry start damage ... The most efficient way to pre-lube the engine is to use the J-45299 engine pre-luber ... on all applications. However, if no engine pre-luber is available and the engine ... has a mechanical distributor, the engine can be pre-lubed by priming the oil ... after pressure builds up in the engine. This is to flush any debris from the ... engine without a load on the bearings while ... side gaskets and the end seals on the block and cylinder heads, placing RTV sealant ... seal properly to avoid damage to the engine. Refer to the service manual for that ...

GENERAL ENGINE DIAGNOSTICS Section IV Page 17 August ... 2004 Proper diagnosis of a failed engine is critical. Otherwise, the same ... reliability of the best replacement engine. As such, verifying proper operation of ... the various engine systems is mandatory to avoid another ... followed on the replacement. CAUSES OF ENGINE FAILURE Engines rely on a number of ... Lubrication Cooling Emission Controls Engine Controls Various problems in any one ... of these systems can degrade engine performance and prevent the engine from ... symptoms will become evident before the engine suffers a catastrophic failure or ... . On newer vehicles, electronic engine controls and On Board Diagnostics ( ... noticed. While many factors can impact engine performance and driveability, the most ... common causes of engine failure include the following: ...

GENERAL ENGINE DIAGNOSTICS Section IV Page 18 August ... 2004 DIAGNOSING AN ENGINE FAILURE Preliminary Checks Several ... when a customer arrives with a serious engine operating concern: 1. Understand the ... for the following symptoms or signs of engine failure causes: Serious oil or coolant ... leaks which may indicate engine block cracks or cylinder head gasket failure ... . Engine noises that may indicate internal ... engine problems other than timing or fuel ... problems. Unusual odors in the engine compartment, which may indicate ... connectors or broken or melted wires. Engine performance problems from kinked, split ... overlook the possibility that poor engine performance, even an inoperable ... , cooling, emission controls and engine controls. A weak battery, defective ... or failed generator will prevent proper engine start-up and may damage components. ...

GENERAL ENGINE DIAGNOSTICS Section IV Page 19 August ... Proper lubrication is critical for engine life. Engine parts are exposed to ... seizure involving metal welding. All engines have a recommended lubricant or oil ... mark that makes it easier to select engine oils that meet performance standards ... can lead to insufficient lubrication. Engines also have a recommended oil capacity ... -off, or when the oil flow through the engine lubrication passages is blocked ... at the same time as the oil. If an engine failure is caused by lack of ... ; replace the cooler if a catastrophic engine failure occurred. Make sure that the ... properly installed. Also, check the engine itself. Compression-set manifold ... is one of the worst enemies of engine lubrication. Any foreign materials ...

GENERAL ENGINE DIAGNOSTICS Section IV Page 20 August ... Coolant Circulation Diagnosis Proper engine operation depends on coolant to flow ... through the engine water jackets and absorb the heat of ... flowing through the radiator. A typical engine (coolant) operating temperature is ... about 200 F (94 C); some older engines run cooler and some newer engines run ... hotter. With proper flow, the engine coolant in most vehicles can readily ... flow or volume of coolant is too low, engine temperatures may rise beyond design ... specifications. The engine may seize as various parts burn off ... lubrication and expand. Engine failures caused by overheating from ... are common. The most common cause of engine overheating is poor coolant circulation ... is not corrected, a replacement engine will also fail. The following checks ...

GENERAL ENGINE DIAGNOSTICS Section IV Page 23 August ... 2004 Engine Compression Check An engine compression check measures the ability ... compression readings are taken for each engine cylinder and compared with ... plug (glow plug) holes. For gasoline engines, it should be able to read up to 250psi ... (1722kPa). For diesel engines, it should read up to 800psi (5512kPa ... ). Use the following procedures for an engine compression test: 1. Preliminary test ... the plugs before removing them. 4. Block the throttle plate wide open (allowing ... air into the engine and preventing engine flooding that would reduce cylinder ... compression gauge on 'zero', crank the engine through four compression strokes. ... through the plug hole. Crank the engine through four compression strokes. Check ...

GENERAL ENGINE DIAGNOSTICS Section IV Page 24 August ... which may or may not be built into an engine analyzer, applies shop air pressure to ... a cylinder leakage test: 1. With the engine at operating temperature, disable the ... and oil dipstick or filler cap. 3. Block the throttle wide open. 4. Disconnect ... 6. Rotate the crankshaft (or crank the engine) until the piston for the cylinder ... blown head gasket or a cracked head or block. Air blowing from an adjacent spark plug ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 88 August 2004 ... , GMC C1,2 G1,2 K1, M1 (LB1)(4.3N) Engine-Specific Content: Oil Pump Notes: Includes 21- ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ... . CAUTION: The oil pump in this engine must be primed before starting engine. ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 89 August 2004 ... 3Z) Exc. Emis. above 8500lb. GVW (NA4) Engine-Specific Content: Oil Pump Notes: Includes 21- ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ... . CAUTION: The oil pump in this engine must be primed before starting engine. ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 90 August 2004 ... 3Z) Exc. Emis. above 8500lb. GVW (NA4) Engine-Specific Content: Oil Pump Notes: Includes 21- ... PSI Oil Pressure Bypass Valve. Engine not used on GMC Typhoon and Syclone ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ... . CAUTION: The oil pump in this engine must be primed before starting engine. ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 91 August 2004 ... 1993 Chevrolet, GMC ST1 (LB4)(4.3Z) Engine-Specific Content: Oil Pump Notes: Includes 21- ... PSI Oil Pressure Bypass Valve. Engine not used on GMC Typhoon and Syclone ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ... . CAUTION: The oil pump in this engine must be primed before starting engine. ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 92 August 2004 ... 4.3L 1993 Chevrolet B (LB4)(4.3Z) Engine-Specific Content: Oil Pump Notes: Includes 21- ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ... . CAUTION: The oil pump in this engine must be primed before starting engine. ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 93 August 2004 ... Chevrolet, GMC LM1 (LB4)(4.3Z) M30 Engine-Specific Content: Oil Pump Notes: Includes 21- ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ... . CAUTION: The oil pump in this engine must be primed before starting engine. ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 94 August 2004 ... ST1 (06-16)(L35)(4.3W) M30 (exc. CTF) Engine-Specific Content: Oil Pump Notes: Includes 21- ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ... . CAUTION: The oil pump in this engine must be primed before starting engine. ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 95 August 2004 ... ) 1995 Chevrolet, GMC LM1 (L35) M30 Engine-Specific Content: Oil Pump Notes: Includes 21- ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ... . CAUTION: The oil pump in this engine must be primed before starting engine. ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 96 August 2004 ... )(4.3A) Emis. above 8500lb. GVW (NA4) Engine-Specific Content: Front Cover, Oil Fill Cap, Oil ... Rocker Cover Notes: *Effective with engine codes ADF, AJZ, FLX, and XDF. ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ... . CAUTION: The oil pump in this engine must be primed before starting engine. ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 97 August 2004 ... , GMC G1,2 (L35) M30, NA1 (exc. ZK3) Engine-Specific Content: Front Cover, Oil Fill Cap, Oil ... replacing a 1998 and prior Goodwrench engine (12532552), also use 1-12557587 ... flywheel when replacing a Goodwrench engine (12532552) for P3 application. ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 98 August 2004 ... 1996-2000 Chevrolet, GMC LM1 (L35) Engine-Specific Content: Oil Pan, Oil Filter, Front ... Notes: When replacing a 1998 and prior engine, also use 1-12557587 flywheel for A. ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 99 August 2004 ... -99 Chevrolet, GMC S1 (LF6) M30, M50 Engine-Specific Content: Oil Pan, Oil Filter, Front ... Notes: When replacing a 1998 and prior engine, also use 1-12557587 flywheel for A. ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 100 August 2004 ... Chevrolet, GMC G2,3 (L35)(4.3W) MT1 Engine-Specific Content: Harmonic Balancer, Balance ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ... . CAUTION: The oil pump in this engine must be primed before starting engine. ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 101 August 2004 ... ) M30 2002 Chevrolet, GMC LM1 (LU3) Engine-Specific Content: Light Duty Deep Oil Pan, ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ... . CAUTION: The oil pump in this engine must be primed before starting engine. ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 102 August 2004 ... , GMC G2,3 (L35) MT1, NA4 (exc. ZK3) Engine-Specific Content: Front Cover, Oil Fill Cap, Oil ... Notes: When replacing a 1998 prior GW engine (12369214), also use flywheel (12557584 ... of oil related parts: If the original engine failed either catastrophically or due ... to bearing failure, the engine oil cooler MUST BE REPLACED and the oil ... Brite) is the number one cause of 4.3L engine failure. Intake Manifold: For some ... engine assemblies (see service manual), sealer ... consumption by allowing oil from the engine valley to be drawn into the intake ... in these cylinders. Front Covers: 4.3 blocks with ten-bolt front cover provisions ... bolt plastic covers. On OBD II equipped engines, reluctor ring must also be transferred ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 113 August 2004 ... Chevrolet, GMC G1,2 (L30)(5.0M) M30 Engine-Specific Content: Front Cover, Oil Fill Cap, Oil ... : For 2001 G-van application, service engine block contains English threads. When ... 1986-87 Oldsmobile G (LG8)(5.0-9) Engine-Specific Content: Crankshaft, Inj Pump Drive, ... , Push Rods, and Timing Chain Notes: Engine does not include Water Pump, Intake or ... location during normal handling of the engine. Prior to reinstallation of the oil pan ... , remove the oil pump from the old engine. If the engine being replaced has high ... well, transfer the pump from the old engine. Failure to change the pump will result ... screen height. This remanufactured engine contains the following materials for ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 115 August 2004 ... Chevrolet, GMC CK1(06) G1 (LS9)(350L) Engine-Specific Content: Front Cover, Oil Pan, and ... Goodwrench 5.7 Liter (350 C.I.D.) V8 engine is to be used on 1973 through 1985 ... car. Remove any paint from cylinder block to clutch housing or transmission ... and crankshaft before installing engine. Check engine restrictor at center of ... manifold side gaskets from replaced engine and procure one of the following units ... front cover assembly from replaced engine. Some models may require R.H. cylinder ... either L.H. or R.H. side of cylinder block with plug furnished. Plug side opposite ... of dipstick location. This engine is built to production point of build ... .7L 1997-98 Chevrolet Y (LS1)(5.7G) Engine-Specific Content: Front Cover, Harmonic Balancer ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 117 August 2004 ... (L05)(5.7K) MT1, 9C2, 5Z1 (exc. NM8) Engine-Specific Content: Front Cover, Oil Pan, ... 12520270 5.7 Goodwrench 5.7 Liter engine is built with 1993 model year designed ... oil pump assembly. When servicing this engine, it is required that replacement parts ... be of the same type and design. This engine is built with current-production valve ... be necessary to use cover from replaced engine. On models with a 5-Quart Oil Pan, ... screen oil part number 10166159. This engine is built to production point of build ... Chevrolet, GMC G1,2 (L31)(5.7R) M30 Engine-Specific Content: Crankshaft Hub, Front Cover, ... : For 2001 G-van application, service engine block contains English threads. May ... Covers to be transferred from original engine for some applications INSTALLATION ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 118 August 2004 ... New 5.7L 1996 Chevrolet Y (LT4) Engine-Specific Content: Front Cover, Oil Pan, Oil Pump ... M30 Emis. Sys (under 8500lb. GVW) NA1 Engine-Specific Content: Front Cover and Pointer, Oil ... Chevrolet, GMC G1,2,3 (LS9)(350L) Engine-Specific Content: Front Cover and Valve Rocker ... 1996-2003 Chevrolet, GMC W4 (L31) Engine-Specific Content: Oil Pan Notes: For 2001 ... application, must use 2000 transmission/engine and starter mounting bolts. Service ... engine block has English mounting threads. ...

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 132 August 2004 ... 1988-93 Chevrolet, GMC G3 (L19)-454N Engine-Specific Content: Crankshaft Balancer, Front ... use old oil adapter. Cooler lines go to block. Replaces: 12531454, 10181230 Replaced ... number 88890529, Goodwrench 7.4 Liter engine assembly, has been developed as a ... service replacement engine for 1974-1993 light duty truck 454 C.I ... .D. engine applications. When using this engine to ... part number 3053355 is required. This engine is built to production point of build ...