1995 Buick Riviera Service Manual

Technical Documentation for the 1995 Buick Riviera and 1995 Oldsmobile Aurora

• Built for 1995 Buick Riviera and 1995 Oldsmobile Aurora owners and workshops, documenting the 3.8L, 3.8L Supercharged, and 4.0L powertrain systems
• Official General Motors publication, form number 1995 G BODY 3.8L, documenting the CS144 charging system and engine management sensors
• Contains 19 detailed electrical schematic figures and flow charts for testing the charging system and engine performance self-diagnostics
• 100 pages of factory-sourced data, including wiring layouts and component locator charts for the 3.8L V6
• Features a full index of electrical component locations, including relays, sensors, and ground points
• Downloads to your account within seconds of checkout
• Permanent availability in your purchase account — no re-buy required
• This edition provides the primary diagnostic reference for 1995 General Motors 3.8L and 4.0L engine management and electrical troubleshooting.

Component Locator and Diagnostic Walkthrough

This 100-page service publication provides a comprehensive look at the electrical systems and diagnostic procedures for the 1995 Buick Riviera and the 1995 Oldsmobile Aurora. The document details the internal operation of the CS144 charging system, including regulator fault detection and rectifier bridge testing, while also outlining on-vehicle testing for charge indicator lights and battery charging issues. The content spans engine-specific removal and installation instructions, detailing the 3.8L, 3.8L Supercharged, and 4.0L engines.

Further sections map out the entire electrical infrastructure, providing precise locations for buzzers, relays, timers, circuit protection devices, and control units. The document lists the specific locations for every sensor, motor, and solenoid, including ABS wheel speed sensors, coolant temperature sensors, and transmission-related components. Comprehensive ground location lists and detailed splices are provided, ensuring technicians can identify exact routing for the wiring harnesses.

Engine Specification and Performance Data

This manual provides depth in engine identification codes and critical engine overhaul specs. The publication details piston and rod assembly, camshaft bearing specs, and rocker arm installation. Torque specifications are provided for every major assembly, including main bearing caps, cylinder head bolts, and timing components. Users can reference what an OEM service publication covers to understand the technical depth of these factory-specified values.

Key engine data includes the 3.8L displacement, 9.0:1 compression ratio, and 225 horsepower rating. The crankshaft main bearing oil clearance is documented at 0.0008–0.0022 in., and the crankshaft end play is specified at 0.003–0.011 in. The camshaft oil clearance for these engines is listed at 0.0005–0.0035 in. across all applications.

Reference only — always consult a certified technician before performing service on this equipment.

An official 100-page General Motors OEM service manual covering the 1995 Buick Riviera and 1995 Oldsmobile Aurora, documenting the 3.8L and 4.0L engine electrical systems, diagnostic code charts, and overhaul specifications.