Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSGMC1995PICKUP C2500, 2D PICKUP, 7.4 N, AUTOMATICREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION OVERHAUL - 4L80-E
1995 GMC Pickup C2500, 2D Pickup, 7.4 N, Automatic
Automatic Transmission Overhaul - 4L80-E
1995 GMC Pickup C2500, 2D Pickup, 7.4 N, AutomaticSECTION Automatic Transmission Overhaul - 4L80-E
- Application
- Identification
- Description
- Lubrication
- On-Vehicle Service
- Adjustments
- Trouble Shooting
- Notes
- Quick Check
- Symptom Diagnosis
- Notes
- Fluid Flowing Out Of Vent Or Foaming
- Transmission Overheats
- Reduced Internal Lubrication
- High Or Low Line Pressure
- Inoperative In Drive
- Vehicle Moves Forward In "N"
- Engine Stall
- No Torque In Reverse & 3rd
- Locked In Park
- Vehicle Moves In Park
- Slips In Reverse
- No Reverse
- Slips In "D"
- No 1st Gear In "D4"
- No 1st Gear In "D2" Or "D3"
- No 1st Gear In "D1"
- No 1-2 Shift In "D4" (1st Gear Only)
- 1st & 2nd Gear Only
- 1st & 4th Gear Only (Manual 2nd & 3rd Only)
- Late 1-2 Shift
- No Engine Braking In "D1"
- No 2nd Gear
- 2nd Gear Only
- No Torque In 2nd
- Starts In 2nd Gear
- No 2nd Gear Braking In "D2"
- No Engine Braking In "D2"
- No Overrun Braking In "D2"
- No 1st Gear In "D3"
- No 2nd Gear In "D3"
- No 3rd Gear In "D3"
- Starts In 3rd Gear
- No Engine Braking In "D3"
- 2nd & 3rd Gear Only
- No 4th Gear
- Starts In 4th Gear
- Incorrect Shift Points
- Harsh Shifts
- Harsh Shifts ("D" To "R")
- Harsh Shifts (3-4 Shift)
- Harsh Shifts (4-3 Shift)
- Harsh Shifts ("D4" To "D3", "D2" Or "D1")
- Soft Shifts
- Soft Shift (Into "R")
- Soft Shift (R To "D")
- Soft Shift (2-1)
- Soft Shift (2-3)
- Soft Shift (3-2)
- Soft Shift ("D3" To "D2")
- No "D2" To "D1" Shift
- No "D3" To "D2" Shift
- No Converter Clutch Apply
- TCC Does Not Release
- TCC Apply Soft Or Slipping
- Incorrect TCC Apply Or Release
- Clutch & Band Application
- Electronic Self-Diagnostics & Electronic Testing
- Testing
- Removal & Installation
- Transmission Disassembly
- Component Disassembly & Reassembly
- Transmission Reassembly
- Transmission Specifications
- Torque Specifications
- Wiring Diagrams
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.