1986 Volkswagen Jetta Service and Repair Manual
1986 Volkswagen Jetta service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- Base Sedan 2-Door
- GL Sedan 4-Door
- Base Sedan 4-Door
- GLI Sedan 4-Door
Engines covered
- 1.6L 1588CC 97Cu. In. l4 DIESEL SOHC Naturally Aspirated
- 1.8L 1781CC l4 GAS SOHC Naturally Aspirated
- 1.6L 1588CC 97Cu. In. l4 DIESEL SOHC Turbocharged
- 1.8L 1781CC l4 GAS Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
CERTAIN HYDRAULIC BRAKE HOSES, P/N 171.611.107B, SOLD AS REPLACEMENT EQUIPMENT FOR 1975-1985 VOLKSWAGEN (VW) RABBIT; 1985-1992 VW GOLF; AND 1980-1992 VW JETTA PASSENGER VEHICLES. POSSIBLE BRAKE HOSE
BRAKE HOSE RUPTURE COULD RESULT IN LOSS OF BRAKING ABILITY, POSSIBLY RESULTING IN A VEHICLE CRASH.
FOREIGN PARTS DISTRIBUTORS WILL NOTIFY OWNERS AND REPLACE THE BRAKE HOSES WITH COMPLIANT BRAKE HOSES
SUBJECT REGARDING LATCH SYSTEM LOWER ANCHORS AND TETHERS FOR CHILDREN, INSTALLING / RETROFITTING. *TT
VIOLENT DEPLOYMENT OF DRIVER'S AIR BAG DURING A COLLISION RESULTED IN MULTIPLE CUTS/BURNS/CONCUSSION. *AK
DRIVER SUSTAINED MULTIPLE INJURIES WHEN AIR BAG DEPLOYED DURING CRASH, INCLUDING A BURN THAT LEFT THE VW EMBLEM FROM THE STEERING WHEEL EMBEDDED ON ARM.
TL* THE CONTACT OWNS A 1986 VOLKSWAGEN JETTA. THE CONTACT WAS DRIVING 60 MPH WHEN HE NOTICED ANTIFREEZE ABNORMALLY LEAKING ONTO HER FOOT. AS A RESULT, THE CONTACT SUSTAINED BURNS TO HER FOOT AND THE
THERE IS A WEAK MELTED SEAL IN THE FUEL BOX WHICH IS LEAKING. *JG THE HEATER CORE WAS RECALLED. RECALL# 87V053000 *SCC
THERE IS A WEAK MELTED SEAL IN THE FUEL BOX WHICH IS LEAKING. *JG THE HEATER CORE WAS RECALLED. RECALL# 87V053000 *SCC
Showing the 5 most serious of 18 complaints filed with NHTSA.
