Description
Factory Infiniti I35 Workshop Manual (2002–2004)
This factory-level service manual delivers complete repair, diagnostic, and wiring coverage for the 2002–2004 Infiniti I35 sedan — the VQ35DE-powered luxury mid-sizer sold exclusively in the North American market.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 3.5L VQ35DE DOHC 24-valve V6 (255 hp) |
| Diesel | N/A |
| Transmissions | 4-speed automatic with manual shift mode |
| Drive | FWD |
| Model Years | 2002, 2003, 2004 |
| Badge Twins | Nissan Maxima A33 (shared platform) |
Common I35 Repairs Covered
| System | Procedures |
|---|---|
| VQ35DE Intake Manifold Gaskets | Upper and lower plenum gasket replacement; torque sequences for plenum bolts |
| Crankshaft Position Sensor (CKP) | Diagnosis of P0335/P0340 codes; sensor R&R procedure and gap specification |
| ABS / Brake System | Wheel speed sensor replacement, brake caliper overhaul, master cylinder service |
| Climate Control (HVAC) | Blend door actuator diagnosis, refrigerant charge procedure, blower motor R&R |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Why do VQ35DE intake manifold gaskets fail on the I35, and is the fix covered?
The upper intake plenum gaskets on the 3.5L VQ35DE are a well-documented wear item on 2002–2004 I35 models, often causing rough idle and vacuum leaks around 80,000–100,000 miles. The manual includes the full disassembly sequence, gasket torque specs, and plenum bolt tightening pattern needed to complete this repair correctly.
Is this manual the same as the Nissan Maxima A33 service manual?
The Infiniti I35 rides on the Nissan Maxima A33 platform and shares major mechanical components, but this manual is the Infiniti-specific factory document. It reflects I35 trim levels, Premium Package options, Bose audio wiring, and North American market specifications rather than generic Maxima content.
Are full wiring diagrams included for the electrical system?
Yes. The manual contains color-coded circuit diagrams for every major system — engine management, ABS, HVAC, power windows/locks, premium Bose audio, lighting, and the security system. Connector pin-outs, ground locations, and splice charts are included to support thorough electrical fault diagnosis.
What format is the manual?
The manual is a PDF document. After purchase, download it instantly to any Windows, Mac, tablet, or mobile device. Your download link remains active for lifetime re-downloads at no additional charge.
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