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E4OD Exploded
IF THE IMAGE IS TOO SMALL, click it.
1 Converter Assembly 7902
2 Plug Converter Drain 1/8%uFFFD??x27NPT 87650-S2
3 Shaft Input 7017
4 Seal Front Pump Support 7L323
5 Seal Front Pump E9TP-7A248-AA superceded by E9TZ-7A248-B
6 Bushing Front Pump 7B258
7 Seal Front Pump (O-Ring) 7A248
8 Bolt and Washer Assembly (Front Pump to Case) N805260-S
9 Washer Replacement (9 Req'd) 7G379
10 Pump Assembly Front 7A103
11 Washer Pump Thrust No. 1 7D014
12 Bearing Assembly Overdrive Sun Gear No. 2 7E486
13 Gasket Pump 7A136
14 Seal Coast Clutch (2 Req'd) 7G402
15 Cylinder Assembly Coast 7G387
16 Seal Coast Clutch Inner 7A548
17 Seal Coast Clutch Outer 7A548
18 Piston Coast Clutch 7A262
19 Ring Coast Clutch Piston Apply 7N519
20 Spring Coast Clutch Piston Disc 7B070
21 Ring Coast Clutch Disc Spring Retainer 7A527
22 Plate Coast Clutch Internal Spline Friction 7B164
23 Plate Coast Clutch External Spline Steel 7B442
24 Plate Coast Clutch Pressure 7B066
25 Ring Coast Clutch Pressure Plate Retaining (Selective Fit) 7D483
26 Gear Assembly Overdrive Sun 7D063
27 Ring Retaining 377155-S (Attaches Clutch Assembly Overdrive One-Way to Overdrive Ring Gear)
28 Ring Retaining 377300-S (Attaches Gear Assembly Overdrive Sun to Cylinder Assembly Coast)
29 Ring Retaining 377135-S (OWC to Outer Race)
30 Clutch Assembly Overdrive One-Way 7A089
31 Washer Overdrive Overrun Clutch Thrust No. 3 7L339
32 Planet Assembly Overdrive 7B446
33 Bearing Assembly Overdrive Planet Thrust No. 4 7F240
34 Gear Overdrive Ring 7A153
35 Shaft Overdrive Center 7A658
36 Ring Overdrive CL Pressure Plate Retainer (Selective Fit) 7D483
37 Ring Retaining 7G375 (Retaining Center Overdrive Shaft Assembly to Overdrive Ring Gear)
38 Bearing Assembly Overdrive Center Shaft Thrust No. 5 7G178
39 Plate Overdrive Clutch Pressure 7B066
40 Plate Overdrive Clutch Internal Spline Friction 7B164
41 Plate Overdrive Clutch External Spline Steel 7B442
42 Ring Overdrive Clutch Disc Spring Retaining 7A527
43 Spring Overdrive Clutch Piston Disc 7B070
44 Piston Overdrive Clutch 7A262
45 Seal Overdrive Clutch Piston Outer 7A548
46 Seal Overdrive Clutch Piston Inner 7F225
47 Ring Intermediate Cylinder Retaining 7D483
48 Bolt M10-1.5 x 24mm Overdrive Cylinder Fluid Feed 7Z059
49 Cylinder Overdrive and Intermediate Clutch 7G384
50 Seal Intermediate Clutch Piston Inner 7F225
51 Piston Intermediate Clutch 7E005
52 Seal Intermediate Clutch Piston Outer 7F224
53 Spring Intermediate Clutch Piston Disc 7B070
54 Bolt M12-1.75 x 31mm Center Support Fluid Feed (2 Req'd) 7Z059
55 Support Assembly Center 7A130
56 Washer Center Support Thrust No. 6 7L326
57 Seal Direct Clutch Cast Iron (2 Req'd) 7D025
58 Plate Intermediate Clutch Pressure Apply 7B066
59 Plate Intermediate Clutch Internal Spline Friction 7B164
60 Plate Intermediate Clutch External Spline Steel 7B442
61 Plate Intermediate Clutch Pressure Rear 7B066
62 Piston Assembly Intermediate Band Servo 7D021
66 Band Assembly Intermediate 7D034
67 Clutch Assembly Intermediate One-Way 7A089 (*)
68 Washer Intermediate One-Way Clutch Thrust No. 7 7G401
69 Drum Assembly Intermediate Brake 7D044
70 Seal Direct Clutch Piston Inner 7A548
71 Seal Direct Clutch Piston Outer 7A548
72 Piston Assembly Direct Clutch 7A262
73 Retainer and Spring Assembly Direct Clutch 7A262
74 Ring Direct Clutch Support Spring Retaining 7C122
75 Washer Intermediate Brake Drum Thrust No. 8A 7C096
76 Plate Direct Clutch Internal Spline Friction 7B164
77 Plate Direct Clutch External Spline Steel 7B442
78 Plate Direct Clutch Pressure 7B066
79 Retaining Ring Direct Clutch Pressure Plate (Selective Fit) 377126-S, 377127-S, 377128-S, 377437-S
80 Seal Forward Clutch Cylinder (2 Req'd) 7D019
81 Bearing Assembly Forward Clutch Needle Thrust No. 8B 7F374
82 Cylinder Assembly Forward Clutch 7A360
83 Seal Forward Clutch Piston Inner 7A548
84 Seal Forward Clutch Piston Outer 7A548
85 Piston Assembly Forward Clutch 7A262
86 Ring Forward Clutch Piston Spring 7D256
87 Spring Forward Clutch Piston Disc 7B070
88 Ring Forward Clutch Spring 377127-S (FWD CL Piston Spring to FWD CL Cylinder Assembly)
89 Plate Forward Clutch Pressure 7B066
90 Spring Forward Clutch Pressure 7E085
91 Plate Forward Clutch Internal Spline Friction 7B164
92 Plate Forward Clutch External Spline Steel 7B442
93 Plate Forward Clutch Pressure Rear 7B066
94 Retaining Ring Direct Clutch Pressure Plate (Selective Fit) 377127-S, 377437-S, 377444-S, 386841-S, 386842-S
95 Washer Forward Clutch Hub Thrust 7D090
96 Ring Forward Hub Retaining 377132-S (FWD Ring Gear Hub to FWD Ring Gear) No. 8C
97 Hub Forward Ring Gear 7B067
98 Gear Forward Ring 7D392
99 Bearing Assembly Forward Clutch Thrust No. 9A 7D234 (Between FWD Ring Gear and FWD Planet Assembly)
100 Washer Forward Planet Carrier Thrust No. 10A 7A166
101 Planet Assembly Forward 7A398
102 Bearing Assembly Forward Clutch Thrust No. 9B 7D234 (Between FWD Planet Assembly and FWD Sun Gear Assembly)
103 Gear Assembly Forward/Reverse Sun 7D063
104 Shell Input 7D064
105 Washer Input Shell Thrust No. 14 7D066
106 Ring Retaining 377300-S (Attaches FWD/REV Sun Gear Assembly to Input Shell)
107 Ring Reverse Clutch Pressure Plate Retaining 7D483
108 Plate Reverse Clutch Pressure 7B066
109 Plate Reverse Clutch External Spline Steel 7B442
110 Plate Reverse Clutch Internal Spline Friction 7B164
111 Spring Transmission Reverse Clutch Cushion 7E085
112 Ring Reverse Planet Retaining 377155-S
113 Washer Planet Carrier Thrust No. 10B 7A166 (Between Reverse Planet Assembly and Input Shell)
114 Planet Assembly Reverse 7D006
115 Washer Planet Carrier Thrust No. 11 7A166 (Between Reverse Planet Assembly and Output Shaft Hub)
116 Ring Retaining 387031-S (Retaining Output Shaft Hub to Output Shaft Assembly)
117 Gear Output Shaft Ring 7A153
118 Hub Output Shaft 7D164 (*)
119 Ring Retaining 377132-S (Retaining Output Shaft Hub to Output Shaft Ring Gear)
120 Hub Assembly Reverse Clutch 7B067
121 Clutch Assembly Reverse One-Way 7A089
122 Bearing Assembly Output Shaft Hub Thrust No. 12 7G178
123 Retainer and Spring Assembly Reverse Clutch 7D406
124 Seal Reverse Clutch Piston Inner 7D404
125 Seal Reverse Clutch Piston Outer 7D403
126 Piston Reverse Clutch 7D402
127 Bushing Case Front 7025 (3 Lube Grooves)
128 Case Assembly 7005
129 Vent Assembly Case 7034
130 Connector Assembly Fluid Tube Inlet (Front) 7D273
131 Bolt N605770-S36 (Attaches Heat Shield to Case)
132 Heat Shield 7A434
133 Valve Assembly Converter Drain Back Check (Rear) 7D174
134 Bushing Case Rear 7025 (1 Lube Groove)
135 Bolt (5 Req'd) 5/16 x 1.9 7D167 (One-Way Clutch to Case)
136 Washer Output Shaft Thrust Rear No. 13 7B368
137 Gear Output Shaft Parking 7A233
138 Output Shaft Assembly (4x2) 7060
139 Gasket Extension Housing 7086
140 Extension Assembly (4x2 except Super Duty) 7A039
141 Bolt Extension Assembly to Case (Top) (7 Req'd) N605803-S36
142 Bracket Wiring 7H102 (**)
143 Bolt Extension Assembly to Case (4x2 Bottom) (2 Req'd) N605802-S36
144 Bushing Extension Housing (4x2) 7A034
145 Seal Extension Housing (4x2) 7052
146 Plug Assembly Extension Housing 7H183
147 Screw and Washer Assembly 1/4-20 x .62 (Plug Assembly to Extension Assembly) 57621-S2
148 Output Shaft Assembly (4x4) 7060
149 Extension Assembly (4x4 and Super Duty) 7A039
150 Bolt Extension Assembly to Case (4x4 and Super Duty Bottom) (2 Req'd) N606569-S36
151 Indicator Assembly Fluid Level 7A020
152 Tube Assembly Fluid Filler 7A228
153 O-Ring Filler Tube 391308-S
154 Tube Fluid Inlet Short 7A160
155 Screw and Washer Assembly M8-1.25 x 23.8 (2 Req'd) N805232-S (Attaches 7D419 to 7005)
156 Plate Parking Rod Guide 7D419
157 Spring Parking Pawl Return 7D070
158 Pawl Parking 7A441
159 Shaft Park Pawl 7D071
160 Bolt M8-1.25 x 25.9mm N805261-S191 (Attaches Park Pawl Act Abutment to Case)
161 Abutment Parking Pawl Actuating 7G101
162 Nut 3/8 Spring 372552-S2 (Attaches Service ID Tag to Case)
163 Tag Transmission Service ID 7B148 (**)
164 Nut M10-1.5 Hex N620482-S2 (Attaches Manual Lever Assembly to Case)
165 Lever Assembly Manual Control 7A256
166 Bolt Assembly Transmission Range Sensor to Case (2 Req'd) N805312-S100
167 Manual Lever Position Sensor (Transmission Range Sensor) 7A247
168 Shaft Manual Control Lever 7C493
169 Seal Manual Control Lever 7B498
170 Pin Manual Lever Retaining 7B210
171 Rod Assembly Parking Pawl Actuating 7A232
172 Lever Manual Control Valve Detent Inner 7A115
173 M14-1.5 Hex Inner Detent Lever N800287-S36 (7A115 to 7C493)
174 Bolt Manual Valve Detent Spring Assembly to Case N805503-S
175 Spring Assembly Manual Valve Detent 7E332
176 Plug Test Port 1/8-27 Hex Head (2 Req'd) 390685-S (**)
177 Stud Valve Body Assembly to Case Solenoid Valve Body to Case Accumulator Body Assembly to Case N805330-S
178 Plug Converter Access 7N171
179 Ball Rubber Check (8 Req'd) 7E195
180 Stud Main Control Assembly to Case N805331-S
181 Spring EPC Blow-Off 7D017
182 Ball EPC Blow-Off 353351-S
183 Gasket Valve Body Separator Plate 7C155
184 Plate Valve Body Separator 7A008
185 Gasket Valve Body Separator Plate to Case 7D100
186 Screen Assembly Solenoid 7G308
187 Valve Body Assembly 7A100
188 Plate Valve Body Reinforcing 7F282 (**)
189 Bolt Valve Body Reinforcing Plate to Case (3 Req'd) N805503-S
190 Solenoid Valve Body Transmission Control 7G391
191 Bolt Solenoid Valve Body to Case (9 Req'd) N805329-S
192 Bolt Valve Body Assembly to Case and Accumulator Body Assembly to Case (18 Req') N805326-S
193 Bolt Valve Body Assembly to Case N805327-S
194 Nut Valve Body Assembly to Case Solenoid Valve Body to Case Accumulator Body Assembly to Case N805328-S
195 Control Assembly Accumulator Body 7G422
196 Gasket Transmission Pan 7A191
197 Screen Assembly Transmission Pan (4x2) 7A098 (*)
198 Pan Assembly Transmission (4x2) 7A194
199 Magnet Transmission Pan 7L027 (**)
200 Bolt Pan Assembly to Case N605902-S36
201 Screen Assembly Transmission Pan (4x4) 7A098 (*)
202 Pan Assembly Transmission (4x4) 7A194
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TSB 89-09-18 Introduction to the E4OD
LIGHT TRUCK:
1989 E-250, E-350, F SUPER DUTY, F-250, F-350
ISSUE: The E4OD is a new 4-speed automatic overdrive transmission. The E4OD transmission was derived from the C-6 automatic (3-speed) transmission.
ACTION: Use the following information to familiarize yourself with the various E4OD components. This information can help you explain the operation of the transmission to the customer.
The E4OD uses electronic controls to control shift points, pressure regulation and torque converter clutch control. This provides high quality shifts, good fuel economy and overall performance. The engine and transmission are monitored with diagnostic testing available through the EEC-IV Quick Test. The E4OD operations are provided by both operator selected positions of the manual selector lever and with an overdrive cancel switch located on the instrument panel.
FUNCTIONS
P (Park), R (Reverse), and N (Neutral) are the same as other Ford automatic transmissions.
D (Overdrive - normal driving position) provides all automatic shifts through fourth gear (overdrive) along with application and release of the converter clutch. The transmission may also be shifted manually between all forward ranges.
D (Overdrive - with overdrive cancel switch activated, amber light on. This position is selected by pushing the button on the instrument panel, or shift stalk on later models.) provides all automatic shifts, including the application and release of the converter clutch, except the shift into overdrive. It is used to provide additional engine braking for descending grades.
2 (Manual second) provides only second gear operation regardless of vehicle speed. It is useful for start-up on slippery surfaces or to provide engine braking on downgrades.
1 (Manual low) provides only low (1st) gear at start-ups. At higher speeds it results in a downshift to second gear followed by an automatic downshift to low which occurs when vehicle speed decreases enough. Once in low, the transmission will stay in low until the selector is moved to another position.
ELECTRONIC CONTROL
The E4OD is electronically controlled by a microprocessor known as the EEC-IV processor (electronic control assembly, ECA). The EEC-IV processor controls both the engine and the transmission on gasoline engine applications in the same microprocessor. On diesels the ECA controls the transmission only. Electronic control also provides powertrain system diagnostic capabilities which will result in earlier and more accurate resolution of E4OD malfunctions. Service technicians can detect many types of transmission concerns if they occur during the standard EEC-IV "Quick Test" on both gas and diesel use. Additionally, the overdrive cancel switch indicator light will flash during certain conditions which will inform the driver to go to a Ford dealer for servicing.
The processor gathers information from sensors located throughout the vehicle which are monitoring vehicle operating conditions. Using this information, the processor determines the best operating state for the transmission. A solenoid body assembly, containing five solenoids, receives the processor signals which in turn produces the desired mode of operation.
Altitude compensation for shift quality and cold ambient warm-up strategy are also provided in the electronic controls. This eliminates the need for changes to the transmission for operating in mountainous regions. It also allows the E4OD to operate effectively even in extreme cold.
An overdrive cancel switch allows lockout of overdrive with the push of a button. The switch is located on the instrument panel and is useful for providing increased engine braking on downhill grades. Depressing the switch will lock out overdrive (amber light turns on). Pressing it again, will change the system back to normal operation. Whenever the ignition key is turned on, the vehicle will automatically provide overdrive operation regardless of the switch position the last time the vehicle was running.
FUNCTIONAL COMPONENTS
Components from the intermediate brake drum rearward to the output shaft and extension housing seal are similar to the C-6 automatic transmission. However, the E4OD planetary gears have a higher contact ratio for quieter operation. Forward of the intermediate brake drum, the E4OD components are new. These new parts are:
> Center support assembly
> Overdrive ring gear
> Coast clutch
> Overdrive sun gear and planet gear assembly
> Pump and support assembly
> Converter and clutch/damper assembly
The E4OD has wider forward gear ratios than the C-6 as shown below.
Gear - C6 - E4OD
1st - 2.46 - 2.71
2nd - 1.46 - 1.538
3rd - 1.00 - 1.00
OD - NA - 0.712
Rev - 2.18 - 2.18
Currently there are 12 E4OD models for use in F-250/350 (4x2 and 4x4), Econoline (5.8L/7.3L Diesel/7.5L) and F Super Duty (7.3L Diesel/7.5L). For details in diagnosing, testing, disassembling and assembling, see Section 17-09 of the 1989 Truck Shop Manual. Also see the E4OD Theory and Diagnosis Technical Training Manual (Order No. 1710-012). The E4OD, like the C-6, is filled with Mercon fluid. The fluid should be changed every 30,000 miles for severe service use. See this PDF for proper fluid application.
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THE DANGER OF CHANGING THE ATF
I'm no slushbox expert, but this is how I understand it:
A) Starting with a good trans & the right fluid, over time, debris is generated in the trans due to normal wear & contamination. The fluid contains detergent additives that keep this debris suspended in the fluid until it can flow back to the filter to be removed.
B) But the fluid only contains SO MUCH detergent. So if it's not changed on-schedule, the debris doesn't get suspended, and it settles out all over the trans. But this alone doesn't cause any immediate problems, which is why so many people neglect the trans fluid for so long.
C) Eventually, someone realizes how old the fluid is, and changes it with fresh detergent-rich fluid. This begins to break up the deposits, but it also loosens large chunks, which can block up the valve body's fine passages & ports, causing MAJOR damage.
D) From what I've seen, there are 3 possible ways to avoid this damage:
1) change the fluid on the recommended schedule
2) rebuild the trans
3) change the filter & fluid once, using decent aftermarket ATF. It's also a good time to add the drain plug kit. Then drive 50-200 miles to break up most of the deposits. Then change the fluid & filter again, using MotorCraft Mercon. If the trans goes out after that, it was going out anyway.
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E4OD TSBs:
98-16-08 TRANSMISSION - E4OD/4R100 - 1989-99 - MAIN CONTROLS, SEPARATOR PLATES AND SEPARATOR PLATE GASKETS USAGE CHART
98-16-07 TRANSMISSION - E4OD - NO 2-3 UPSHIFT
98-13-21 TRANSMISSION - E4OD - SERVICE CASE REPLACEMENT SERVICE TIPS FOR 7.3L DIESEL VEHICLE APPLICATIONS
98-04-19 LAMP - FLASHING TRANSMISSION CONTROL INDICATOR LAMP (TCIL) WITH DIAGNOSTIC TROUBLE CODES (DTCS) 62, 628 AND/OR 1728 STORED IN MEMORY
TRANSMISSION - E4OD - FLASHING TRANSMISSION CONTROL INDICATOR LAMP (TCIL) WITH DIAGNOSTIC TROUBLE CODES (DTCS) 62, 628 AND/OR 1728 STORED IN MEMORY
97-19-20 TRANSMISSION - E4OD - MAIN REGULATOR BOOSTER VALVE AND SLEEVE SERVICE KIT - SERVICE TIP
97-12-13 TRANSMISSION - C6, E4OD, AOD, 4R70W - LOW TRANSMISSION FLUID LEVEL AND/OR SHIFT AND/OR ENGAGEMENT CONCERNS - 4X4 AND AWD VEHICLES ONLY
96-07-28 TRANSMISSION - E4OD - REVERSE CLUTCH PISTON AND PISTON SEAL USAGE - SERVICE TIP
95-25-13 TRANSMISSION - E4OD - DIRECT CLUTCH PLATE USAGE CHART - SERVICE TIP
95-23-14 TRANSMISSION - E4OD - NEW DESIGN INTERMEDIATE BAND APPLY SERVO ASSEMBLY
95-16-19 TRANSMISSION - E4OD - INTERMEDIATE BRAKE DRUM ASSEMBLY USAGE - SERVICE TIP
95-13-07 TRANSMISSION - E4OD - HARSH AND/OR DOUBLE BUMP ON REVERSE ENGAGEMENT - VEHICLES WITH 4.9L ENGINE ONLY
95-11-13 TRANSMISSION - E4OD - DELAYED FORWARD ENGAGEMENT AND/OR HEAT STAINED FORWARD CLUTCH PLATES AFTER INSTALLING CENTER SUPPORT SERVICE KIT F4TZ-7A130-B
95-11-12 TRANSMISSION - E4OD - REVISED REAR CASE BUSHING
95-06-19 TRANSMISSION - E4OD - NEW DESIGN TRANSMISSION RANGE SENSOR (TR) AND CONNECTOR INCLUDED WITH ALL E4OD REMANUFACTURED TRANSMISSIONS
95-06-18 TRANSMISSION - E4OD - OVERDRIVE ONE-WAY CLUTCH - SERVICE TIPS
95-02-12 TRANSMISSION - E4OD - DIAGNOSTIC TROUBLE CODES - WATER INTRUSION OF THE MLP/TR SENSOR
TRANSMISSION - E4OD - POSSIBLE WATER INTRUSION INTO THE MLP/TR SENSOR CAUSING SHIFT CONCERNS AND/OR HARSH ENGAGEMENT CONCERNS
TRANSMISSION - E4OD - SHIFT CONCERNS AND/OR HARSH ENGAGEMENT CONCERNS DUE TO WATER INTRUSION OF THE MLP/TR SENSOR
94-24-15 TRANSMISSION - E4OD - UPGRADE - BALL BEARING CENTER SUPPORT SERVICE KIT
94-23-18 TRANSMISSION - E4OD - EXCESSIVE BUSHING WEAR - LOW ONE-WAY CLUTCH MALFUNCTION
TRANSMISSION - E4OD - FORWARD CLUTCH WEAR
TRANSMISSION - E4OD - OVERHEATING - CONVERTER COVER DISCOLORATION, CLUTCHES BURNED, BURNT FLUID
TRANSMISSION - E4OD - UPGRADED COMPONENTS TO BE INSTALLED DURING TEARDOWN
94-21-14 TRANSMISSION - E4OD - VEHICLE DOES NOT MOVE - DIAGNOSIS AND SERVICE TIPS
94-21-13 TRANSMISSION - E4OD - UPGRADED OVERDRIVE PLANET ASSEMBLY AND INPUT SHAFT WHEN REPLACEMENT OF EITHER BECOMES NECESSARY
94-11-08 E4OD TRANSMISSION/ATX TRANSAXLE - EXCHANGE REQUIRED WHEN REPAIR COST EXCEEDS $1,300 FOR E4OD OR $1,100 FOR ATX
TRANSMISSION - E4OD/ATX - EXCHANGE PROGRAM INCREASES AVAILABILITY OF REMANUFACTURED UNITS - E & F SERIES LIGHT TRUCKS EQUIPPED WITH E4OD TRANSMISSIONS, TAURUS WITH 2.5L ENGINES, TEMPO/TOPAZ WITH 2.3L HSC/HSO ENGINES
94-09-13 HEATER - "GURGLING" NOISE FROM CORE AT COLD START - VEHICLES WITH E4OD TRANSMISSION
NOISE - "GURGLING" SOUND FROM HEATER CORE AT COLD START - VEHICLES WITH E4OD TRANSMISSION
94-08-20 TRANSMISSION - E4OD AND C-6 - INSTALLATION INSTRUCTIONS FOR "NEW UNITIZED PLASTIC CAGE" LOW ONE-WAY CLUTCH - 1989-94 MODELS WITH E4OD AND ALL MODEL YEARS WITH C-6
TRANSMISSION - E4OD AND C-6 - NO FORWARD ENGAGEMENT - SERVICE TIPS FOR INSTALLING "NEW UNITIZED PLASTIC CAGE" LOW ONE-WAY CLUTCH - 1989-94 MODELS WITH E4OD AND ALL MODEL YEARS WITH C-6
94-02-25 TRANSMISSIONS - C-6, E4OD, AOD - DIFFICULT OR IMPOSSIBLE TO SHIFT - CABLE BINDS DUE TO ENVIRONMENTAL EXPOSURE
93-19-11 SHEET METAL - CAB BACK PANEL "BOOM" NOISE - VEHICLES WITH 4.9L ENGINE AND E4OD OR C6 TRANSMISSION
NOISE - "BOOM" FROM CAB BACK PANEL - VEHICLES WITH 4.9L ENGINE AND E4OD OR C6 TRANSMISSION
93-12-16 NOISE - "CLUNK" - WHEN MOVING THE E4OD TRANSMISSION SELECTOR LEVER TO ENGAGE TRANSMISSION RANGES
TRANSMISSION - E4OD - "CLUNK" NOISE WHEN MOVING THE TRANSMISSION SELECTOR LEVER TO ENGAGE TRANSMISSION RANGES
93-08-14 LAMP - "MALFUNCTION INDICATOR LAMP" - ON AND CODE 41 (HEGO INDICATING RICH/LEAN) IN CONTINUOUS MEMORY - 7.5L WITH E4OD TRANSMISSION
93-07-07 SURGE - 5.0L - ON ACCELERATION OR STEADY SPEED BELOW 35 MPH (56 KMH) - CALIFORNIA CALIBRATIONS WITH E4OD
92-22-05 BRAKES - REAR ANTI-LOCK BRAKE SYSTEM ELECTRONICS INOPERATIVE - VEHICLES WITH E4OD TRANSMISSION
INSTRUMENT CLUSTER - LOSS OF INSTRUMENTATION GAUGES - VEHICLES WITH E4OD TRANSMISSION
LAMP - TRANSMISSION CONTROL LIGHT CYCLES ON/OFF OR CONTROL SWITCH INOPERATIVE - VEHICLES WITH E4OD TRANSMISSION
WIRING - E4OD TRANSMISSION CONTROL SWITCH - SHORTS IN STEERING COLUMN AND BLOWS #17 FUSE
TRANSMISSION - E4OD - CONTROL SWITCH WIRING SHORTS IN STEERING COLUMN AND BLOWS #17 FUSE
TRANSMISSION - E4OD - EARLY SHIFTS, LOSS OF POWER, POOR ACCELERATION AND 3-4 SHIFT CYCLING
92-18-12 LAMP - "MALFUNCTIONING INDICATOR LAMP" - ON AND CODE 173 (HEGO INDICATING RICH) IN CONTINUOUS MEMORY - 5.8L WITH E4OD TRANSMISSION
92-15-13 LAMP - "CHECK ENGINE" MALFUNCTION INDICATOR LIGHT (MIL) LIT - SERVICE CODE 173 IN CONTINUOUS MEMORY - VEHICLES WITH 5.0L AND E4OD
92-09-13 MISS - 4.9L - RANDOM MISFIRE - VEHICLES WITH AUTOMATIC OR MANUAL TRANSMISSION
STALL - 4.9L - DURING TRANSMISSION GEAR ENGAGEMENT - E4OD ONLY
LATE GEAR SHIFTS AND ENGINE MISS
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