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OEM #TM107119 documents one machine and nothing else: your XUV Gator, covered from the gasoline engine through the drivetrain to the brakes across all 430 pages. It walks through step-by-step service procedures, exploded views for every assembly, wiring diagrams with full circuit detail, error codes, and torque tables spanning fasteners on all eight systems. Pin connector charts and a system diagram fill out the electrical side. Set your spark plug gap to 0.9-1.05 mm, torque the connecting rod end-cap nut to 40 N•m (30 lb-ft), and confirm fuel pressure holds between 315 and 345 kPa before you close anything up. With the Gator down and the clock running, you want the factory answer instead of a forum guess. Bookmarked and keyword-searchable, it opens on any tablet right at the bench.
What's Inside This John Deere 825i Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 5-8 | - |
| Specifications and Information | 9-20 | O-Ring Seal Service, General Information, Coolant, Serial Number Locations |
| Engine - Gas | 21-100 | Cylinder Head, Valves and Springs, Crankshaft, Camshafts, Piston, Connecting Rod, Cylinder Bore, Timing Belt |
| Electrical | 101-228 | Park Brake, Warning Buzzer, Oil Pressure Light, Cooling Circuit, 4WD Drive Circuit, Light Circuit, Headlight Circuit, Electronic Controller |
| Power Train | 229-314 | Emfwd Driveshaft, Front Differential, Rear Axle Halfshaft, Cv Joint and Boots, Front Drive Gear Box, Transaxle, Differential, Primary Clutch |
| Steering | 315-354 | Steering Knuckle, Front Wheel Bearing, Ball Joint, Steering Wheel, Steering Shaft, Steering Gearbox, Front Coilover Shock Absorber, Rear Coilover Shock Absorber |
| Brakes | 355-390 | Brake System, Park Brake Components, Park Brake Housing Components, Hydraulic Brakes, Park Brake, Master Cylinder, Brake Pedal, Brake Calipers |
| Miscellaneous | 391-424 | Wheel, Occupant Protective Structure (Ops), Hood Latch, Hood, Headlight, Front Bumper/Skid Plate, Front Grille, Front Fender |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine Oil Capacity (with filter) | 2.2 L (2.3 qt) | p. 23 |
| Cooling System Capacity (Including recovery tank) | 5.0 L (5.2 qt) | p. 23 |
| Fuel System Pressure | 315 - 345 kPa (45.6 - 50.4 psi) | p. 23 |
| Spark Plug Gap | 0.9 - 1.05 mm (0.035 - 0.041 in.) | p. 23 |
| Connecting Rod End-Cap Nut Torque | 40 N•m (30 lb-ft) | p. 25 |
| Battery Voltage | 12V | p. 107 |
| EMFWD Differential Capacity | 580 mL (19 oz) | p. 227 |
| Front Wheel Toe-In | 4 ±3 mm (0.16 ±0.12 in.) | p. 313 |
| Brake Rotor Thickness (Minimum) | 4.76 mm (0.19 in.) | p. 353 |
| Fuel Tank Capacity | 20.1 L (5.3 gal) | p. 389 |
| Wheel Lug Bolt Torque (Aluminum Alloy Wheel) | 142 N•m (105 lb-ft) | p. 389 |
| Steering Wheel Nut Torque | 38 N•m (28 lb-ft) | p. 313 |
John Deere 825i Common Problems This Manual Covers
Engine revs but pulling power fades during heavy uphill towing p. 227
Inspect the primary and secondary clutch components for heat damage. Pull the CVT drive belt and check for glazing or burned edges. When you replace the belt, keep the EMFWD differential fluid at 580 mL (19 oz) as listed on page 227 to cut drivetrain stress.
Manual Section: Power Train Transmission ChecksIntermittent loss of steering control or excessive play in the steering wheel over rough terrain p. 313
Check the steering shaft for separation from the rack assembly. Confirm the steering wheel nut sits at the required 38 N•m (28 lb-ft). Adjust the front wheel toe-in to 4 ±3 mm (0.16 ±0.12 in.) following the procedures on page 330.
Manual Section: Steering System DiagnosisIntermittent starting failures, clicking starter, or complete electrical system shutdown during normal operation p. 107
Test the battery output to confirm it holds a steady 12V under load as shown on page 107. Examine the relevant fuses (e.g., 15A fuses F2 and F3, or fusible link F1 on page 104) for blowing or poor contact. Clean the battery terminals to head off high resistance, and replace any fuse with a damaged internal element.
Manual Section: Electrical Tests and AdjustmentsEngine cranks but will not start, runs erratically, or stalls out randomly at low idle p. 37
Walk the troubleshooting steps for erratic running. Measure the fuel system pressure to confirm it holds between 315 - 345 kPa (45.6 - 50.4 psi). Pull the spark plugs and set the gap to 0.9 - 1.05 mm (0.035 - 0.041 in.) for proper ignition.
Manual Section: Engine Diagnostic SymptomsFrequently Asked Questions
What do the John Deere 825i error codes mean?
The manual lists the Diagnostic Trouble Codes (DTCs) with descriptions for diagnosing engine faults. P0031, for instance, flags an O2 Sensor Heater Circuit Low (Bank 1 Sensor 1), while P0107 points to a Manifold Absolute Pressure Circuit Low Input. Each code ties to a specific electrical fault or sensor input issue, with full explanations on pages 183-185.
What is the torque spec for John Deere 825i wheel lugs?
Lug torque on the 825i depends on wheel type. Aluminum alloy wheels take 142 N•m (105 lb-ft); steel wheels call for 108 N•m (80 lb-ft). Getting this right matters for safe wheel installation, and the figures sit in the specifications section on page 313.
how to read john deere 825i error codes
Reading codes on the Gator 825i means connecting the machine to Service ADVISOR. That tool pulls specific Diagnostic Trouble Codes (DTCs) from the Electronic Control Unit (ECU); the Malfunction Indicator Light (MIL) itself does not display them. The OBDC (On Board Diagnostic Connector) runs an ISO 9141-2 serial protocol for DTC retrieval, as detailed on page 175.
What are the replacement specifications for CVT drive belt?
The CVT drive belt on the 825i and 855D runs a nominal width of 31.75 mm (1.25 in.). That dimension keeps the continuously variable transmission operating as designed. More drive train specs are on page 227.
What do I get after purchasing this John Deere 825i manual?
Checkout delivers a 430-page searchable PDF, downloadable right away. Open it on your laptop, tablet, or phone and carry it straight to the shop floor.
Can I print this John Deere 825i manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
Are there wiring harness diagrams in this John Deere 825i manual?
Complete wiring diagrams are included, covering all electrical circuits, harness routing, and connector pinouts for the John Deere 825i.
Document Quality
This document is a scanned PDF with an OCR layer, allowing you to search and copy text from its contents. The text throughout the manual is crisp and easy to read. Diagrams and illustrations are clear scanned images, with labels generally readable, though some smaller text may require zooming. Pages are mostly clean, with minor black scan artifacts visible along the left edge of some pages. You will find several intentionally blank pages, such as pages 2 and 4, along with blank pages often appearing at the end of sections.
