W-BodyTech Technical Library

W-Body Tech Library

Start with your exact vehicle, then search verified W-Body repair guides, specifications, maintenance procedures and factory reference data.

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Confirm the year, VIN, RPO codes, engine and transmission before using any repair procedure or specification.

VehicleFind Your W-BodyChoose the exact make, model and generation.OwnershipMaintenance & IdentificationBuild a baseline before repairs or upgrades.ProceduresGuides & How-ToBrowse service, repair and upgrade guides.Factory DataRPO & SpecificationsVerify original equipment and option codes.

30 resources shown

GuideMaintenance

General Information & Maintenance

Identify the exact W-Body, establish a maintenance baseline and find the correct service information before repairs.

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Library SectionEngine & Tune-Up

Engine Performance & Tune-up

Ignition, fuel, intake, exhaust and PCM diagnosis and performance information.

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GuideEngine & Tune-Up

Ignition and Tune Up

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GuideEngine & Tune-Up

Stage 1 Upgrade

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GuideEngine & Tune-Up

ZZP 10.5mm wires and Accel 45k Coil Packs

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GuideEngine & Tune-Up

Coil pack cleaning and preventive maintenance

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GuideEngine & Tune-Up

3800 NA to Supercharged Top Swap Guide: L36/L67 & L26/L32

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Library SectionEngine Repair

Engine & Engine Overhaul

Engine repair, gaskets, valvetrain, internal components and overhaul references.

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Library SectionEngine Repair

Gaskets

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Library SectionEngine Repair

Valvetrain

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SpecificationEngine Repair

Torque Specs

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SpecificationEngine Repair

Buick 3800 V6

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SpecificationEngine Repair

60-Degree V6

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SpecificationEngine Repair

LS4 5300 V8

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Library SectionCooling

Cooling System

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GuideCooling

GM W-Body Radiator Replacement & Cooling System Guide: 1988-2016

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Library SectionDrivetrain

Drivetrain

Transmission and drivetrain references for fluids, filters, solenoids, wiring and rebuild planning.

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Library SectionDrivetrain

Solenoids

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Library SectionDrivetrain

Harness & Switches 4T65

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Library SectionDrivetrain

Transmission Fluids and Filters

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Library SectionDrivetrain

Torque Converters

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Library SectionDrivetrain

Overhaul & Rebuild Kits

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SpecificationDrivetrain

4-speed 4T65-E

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SpecificationDrivetrain

GM 4T65E-HD Transmission

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SpecificationDrivetrain

GM 4T60-E Transmission

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Library SectionBrakes

Brake Upgrades

Brake service, component fitment and proven W-Body upgrade paths.

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GuideBrakes

How to Upgrade W-Body Front Brakes with CTS-V Brembo Calipers

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Library SectionTools

Tools & Equipment

Tools and equipment for maintenance, diagnosis and major repair work.

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SpecificationVehicle Reference

GM RPO code database

Decode GM Regular Production Option codes for engine, transmission, suspension and factory equipment.

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Library SectionVehicle Reference

Vehicles

Choose the exact Buick, Chevrolet, Oldsmobile or Pontiac W-Body generation.

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