Jeep Engines - Oljeep

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T - T 74.0L POWER TECH IN-LINE 6 (COOLING SYSTEM) 215TroubleshootingThe 4.0L Power Tech engine standard production coolingsystem is adequate at keeping operating temperatures ataccepted levels. However, several components may bechanged to reduce power losses in the system.Not surprisingly, race engine cooling problems arise duringthe summer and tend to disappear in the fall. There arevarious causes: flex-fans, water pumps, radiator size andfunctioning shrouds, grille openings, and fan bladediameter and number. The not so obvious areas areimproper spark advance and too lean fuel mixture.Now, what happens if a racer has fixed all of these problemsand he still overheats or runs too hot? What could thisproblem be? Some people feel this means there is somemysterious design problem with the engine. This is a witchhunt! Generally, engines don’t have an overheatingproblem. Big engines make more heat than small engines,but this just requires a bigger radiator. Put simply, enginesmake heat; cooling systems get rid of heat. Nothing fancy!If your engine overheats, that means the balance betweenthese two functions has been lost somewhere.COOLING SYSTEM HOSES(Refer to Figure 4-40.)Rubber hoses route coolant to and from the radiator, intakemanifold and heater core. The lower radiator hose is springreinforcedto prevent collapse from water pump suction atmoderate and high engine speeds. When performing a hoseinspection, inspect the radiator lower hose for properposition and condition of the internal spring.Warning! Constant tension hose clamps are used on mostcooling system hoses when removing or installing, use onlytools designed for servicing this type of clamp. Always wearsafety glasses when servicing constant tension clamps.Caution: A number or letter is stamped into the tongue ofconstant tension clamps. If replacement is necessary, use onlyan original equipment clamp with matching number or letter.Inspect cooling hoses at regular intervals. Replace hosesthat are cracked, feel brittle when squeezed, or swellexcessively when the system is pressurized.In areas where specific routing clamps are not provided, besure that hoses are positioned with sufficient clearance. Checkclearance from exhaust manifolds and pipe, fan blades, drivebelts and sway bars. Improperly positioned hoses can bedamaged, resulting in coolant loss and engine overheating.SERPENTINE DRIVE BELTCorrect drive belt tension is required to ensure optimumperformance of the belt driven engine accessories. Ifspecified tension is not maintained, belt slippage may causeengine overheating, lack of power steering assist, loss of airconditioning capacity, reduced generator output rate, andgreatly reduced belt life.It is not necessary to adjust belt tension on the 4.0L engines.These engines are equipped with an automatic belttensioner. The tensioner maintains correct belt tension at alltimes. Due to use of this belt tensioner, DO NOT attempt touse a belt tension gauge on 4.0L engines.DiagnosisWhen diagnosing serpentine drive belts, small cracks thatrun across ribbed surface of belt from rib to rib (Figure 4-42) are considered normal. However, cracks running alonga rib (not across) are not normal (Figure 4-42). Any beltwith cracks running along a rib must be replaced. Alsoreplace the belt if it has excessive wear, frayed cords orsevere glazing.Refer to the Serpentine Drive Belt Diagnosis Chart forfurther belt diagnosis.NORMAL-CRACKSBELT OKNOT NORbL CRACKSREPLACE BELTFigure 4 - 42m7-44
21 6 MOPAR PERFORMANCE PARTSSERPENTINE DRIVE BELT DIAGNOSISCONDITION3IB CHUNKING (ONE OR MORE3IBS HAS SEPARATED FROM3ELT BODY)3IB OR BELT WEARLONGITUDINAL BELT:RACKING (CRACKS BETWEENN O RIBS)POSSIBLE CAUSES1. Foreign objects imbedded in pulleygrooves.2. Installation damage.1. Pulley(s) misaligned.2. Abrasive environment.3. Rusted pulley(s).4. Sharp or jagged pulley groove tips.5. Rubber deteriorated.1. Belt has mistracked from pulleygroove.2. Pulley groove tip has worn awayrubber to tensile member.CORRECTION1. Remove foreign objects frompulley grooves. Replace belt.2. Replace belt.1. Align pulley(s).2. Clean pulley(s). Replace belt ifnecessary.3. Clean rust from pulley(s).4. Replace pulley.5. Replace belt.1. Replace belt.2. Replace belt.
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--Part Number: P5007161$30.00,
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AcknowledgementsThe information pre
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CONTENTSiContentsIntroductionWELCOM
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CONTENTSiiiIgnition SystemTHROTTLE
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CONTENTSVCOMPRESSION RATIO ........
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CONTENTSviiThrottle Body ..........
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CONTENTSixPiston and Connecting Rod
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CONTENTSxiEXHAUST SYSTEM ..........
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CONTENTSxiiiSSI IGNITION COMPONENTS
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Introduction
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INTRODUCTION 3IntroductionWELCOMEWe
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Chapter 1Jeep History
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JEEP HISTORY 7Jeep HistoryThe Jeep
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JEEP HISTORY 9A Jeep By Any Other N
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JEEP HISTORY 11Perhaps one of the m
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JEEP HISTORY 131953 Jeep CJ-3BKaise
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JEEP HISTORY 15Birth of the Sport U
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-r -1 r7JEEP HISTORY 17The Wagoneer
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JEEP HISTORY 19Interior appointment
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JEEP HISTORY 21Chrysler Corporation
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JEEP HISTORY 231994 Jeep Grand Cher
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Chapter 22.5L Power Tech In=Line 4
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~~2.5L POWER TECH IN-LINE 4 (INTROD
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Flywheel Attaching PackageBolts req
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T --I ri2.5L POWER TECH IN-LINE 4 (
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~T --TriINTRODUCTIONThe 2.5L engine
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2.5L POWER TECH IN-LINE 4 (CRANKSHA
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UPPERSHOCKI2.5L POWER TECH IN-LINE
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T -1n2.5L POWER TECH IN-LINE 4 (CRA
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2.5L POWER TECH IN-LINE 4 (CONNECTI
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2.5L POWER TECH IN-LINE 4 (PISTONS
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INTRODUCTIONThe 2.5L engine uses a
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2.5L POWER TECH IN-LINE 4 (CYLINDER
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CAMSHAFT2.5L POWER TECH IN-LINE 4 (
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2.5L POWER TECH IN-LINE 4 (CAMSHAFT
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l- -7 ‘72.5L POWER TECH IN-LINE 4
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2.5L POWER TECH IN-LINE 4 (OILING S
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~~2.5L POWER TECH IN-LINE 4 (OILING
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2.5L POWER TECH IN-LINE 4 (OILING S
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2.5L POWER TECH IN-LINE 4 (FUEL DEL
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-7-2.5L POWER TECH IN-LINE 4 (FUEL
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~~~ ~~ ~~~2.5L POWER TECH IN-LINE 4
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2.5L POWER TECH IN-LINE 4 (IGNITION
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2.5L POWER TECH IN-LINE 4 (ENGINE A
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~ Exhaust2.5L POWER TECH IN-LINE 4
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~~~2.5L POWER TECH IN-LINE 4 (ENGIN
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Chapter 32.46L In-Line 4
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T- T - T2.46L IN-LINE 4 (BLOCK) 103
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INTRODUCTIONThe Jeep 2.46L (258 CID
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2.46L IN-LINE 4 (CRANKSHAFT) 1072.3
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PISTON AND CONNECTING ROD ASSEMBLYT
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Pistons and Rings2.46L IN-LINE 4 (P
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2.46L IN-LINE 4 (CAMSHAFT AND VALVE
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Engine Assembly2.46L IN-LINE 4 (ENG
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Chapter 44.0L Power Tech ln=Line 6
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4.OL POWER TECH IN-LINE 6 (INTRODUC
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4.0L POWER TECH IN-LINE 6 (BLOCK) 1
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4.OL POWER TECH IN-LINE 6 (BLOCK) 1
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4.0L POWER TECH IN-LINE 6 (BLOCK) 1
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~~INTRODUCTIONThe 4.0L engine uses
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~~T -'I 14.0L POWER TECH IN-LINE 6
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4.0L POWER TECH IN-LINE 6 (CONNECTI
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4.0L POWER TECH IN-LINE 6 (CYLINDER
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- --T 74.0L POWER TECH IN-LINE 6 (E
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T - T 7Chapter 54.2L In=Line 6
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4.2L IN-LINE 6 (BLOCK) 285Disassemb
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4.2L IN-LINE 6 (CRANKSHAFT) 287Insp
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4.2L IN-LINE 6 (CRANKSHAFT) 2915. R
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4.2L IN-LINE 6 (PISTON AND CONNECTI
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4.2L IN-LINE 6 (CYLINDER HEAD) 299R
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~4.2L IN-LINE 6 (CAMSHAFT AND VALVE
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4.2L IN-LINE 6 (OILING SYSTEM) 309S
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4.2L IN-LINE 6 IlNDUCTlON SYSTEM) 3
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4.2L IN-LINE 6 (INDUCTION SYSTEM) 3
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~ ~~~Engine Assembly4.2L IN-LINE 6
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Chapter 64.7L Power Tech V-8
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-In4.7L POWER TECH V-8 343Note: Due
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4.7L POWER TECH V-8 345SECONDARYSEC
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- .PT-T4.7L POWER TECH V-8 347VALVE
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4.7L POWER TECH V-8 349LEFTCYLINDER
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T - ~ r i4.7L POWER TECH V-8 351TOR
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4.7L POWER TECH V-8 353Figure 6 - 1
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4.7L POWER TECH V-8 3551. NoiseNote
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4.7L POWER TECH V-8 357Starter Rela
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4.7L POWER TECH V-8 359Fuel return
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4.7L POWER TECH V-8 361Fuel Tank Fi
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4.7L POWER TECH V-8 363Camshaft pos
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T - n r i4.7L POWER TECH V-8 365EXH
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- --I ri4.7L POWER TECH V-8 367ICYL
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T -114.7L POWER TECH V-8 369Inspect
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4.7L POWER TECH V-8 371DESCRIPTIONV
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Chapter 7
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360 AMC V-8 (INTRODUCTION) 375Note:
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~~ ~~ ~T -7 T lINTRODUCTIONThe 360
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-r -TTT360 AMC V-8 (BLOCK) 379Plast
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T - 1 1360 AMC V-8 (CRANKSHAFT) 381
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360 AMC V-8 (CRANKSHAFT) 3836. Remo
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360 AMC V-8 (CRANKSHAFT) 385Install
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360 AMC V-8 (CRANKSHAFT) 3875.6.7.8
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360 AMC V-E) (PISTON AND CONNECTING
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360 AMC V-8 (PISTON AND CONNECTING
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T --ll T7360 AMC V-8 (PISTON AND CO
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~~360 AMC V-8 (CYLINDER HEADS) 3956
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360 AMC V-8 (CAMSHAFT AND VALVE GEA
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360 AMC v-a (CAMSHAFT AND VALVE GEA
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360 AMC V-8 (OILING SYSTEM) 407IFro
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360 AMC V-8 (OILING SYSTEM) 409Test
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~~~360 AMC V-8 (OILING SYSTEM) 41 1
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INTRODUCTIONThe AMC 360 V-8 has a l
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360 AMC V-8 (INDUCTION SYSTEM) 415F
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360 AMC V-8 (INDUCTION SYSTEM) 417A
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360 AMC V-8 (INDUCTION SYSTEM) 419~
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T -1[-7FUEL PUMPSThe fuel pumps of
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360 AMC V-8 (FUEL DELIVERY SYSTEM)
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~Ignition System360 AMC V-8 (IGNITI
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360 AMC V-8 (IGNITION SYSTEM) 427Th
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360 AMC V-8 (IGNITION SYSTEM) 4292.
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360 AMC V-8 (IGNITION SYSTEM) 431Va
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360 AMC V-8 (IGNITION SYSTEM) 433VO
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T - T IENGINE ASSEMBLY360 AMC V-8 (
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l- -17360 AMC V-8 (ENGINE ASSEMBLY)
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360 AMC V-8 (ENGINE ASSEMBLY) 439V-
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360 AMC V-8 (ENGINE ASSEMBLY) 443
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360 AMC V-8 (ENGINE ASSEMBLY) 447Ro
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Chapter 8Off- Roading and Racing
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OFF-ROAD DRIVINGOff-Roading and Rac
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OFF-ROADING AND RACING 4534. Tracti
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OFF-ROADING AND RACING 45510. Wilde
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OFF-ROADING AND RACING 457Sunday Mo
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OFF-ROADING AND RACING 45910. Can m
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.. .OFF-ROADING AND RACING 4611. Of
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OFF-ROADING AND RACING 4634. Water
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OFF-ROADING AND RACING 465As far as
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OFF-ROADING AND RACING 4671. Maga,.
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OFF-ROADING AND RACING 469Mopar has
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OFF-ROADING AND RACING 471Always re
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T -7-7OFF-ROADING AND RACING 4732.
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OFF-ROADING AND RACING 475Driveshaf
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OFF-ROADING AND RACING 477DRAG RACI
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OFF-ROADING AND RACING 479At this p
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OFF-ROADING AND RACING 481Does the
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OFF-ROADING AND RACING 483Stage IIE
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OFF-ROADING AND RACING 485RS5000 Ce
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OFF-ROADING AND RACING 487General P
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I- - 7 1OFF-ROADING AND RACING 489M
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~~OFF-ROADING AND RACING 491Sportsw
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Chapeer 9Additional Infomationl- -
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ADDTIONAL INFORMATION 495TorqueQuar
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ADDTIONAL INFORMATION 497METRIC TO
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