Jetta L4-1781cc 1.8L SOHC (1987): Engine, Cooling and Exhaust
Also for this vehicle: Jetta GL L4-1.9L DSL Turbo (ALH) (2001), Jetta GL L4-2.0L (AVH) (2001), Jetta GL Wagon L4-1.9L DSL Turbo (ALH) (2002), Jetta GLS L4-1.8L Turbo (AWD) (2001), Jetta GLS L4-1.8L Turbo (AWP) (2002), Jetta GLS L4-1.9L DSL Turbo (ALH) (2001), Jetta GLS L4-2.0L (AVH) (2001), Jetta GLS V6-2.8L (AFP) (2002), Jetta GLS VR6 V6-2.8L (AFP) (2001), Jetta GLS Wagon L4-1.8L Turbo (AWP) (2002), Jetta GLS Wagon L4-2.0L (AZG) (2002), Jetta GLS Wagon V6-2.8L (AFP) (2001), Jetta GLX V6-2.8L (AFP) (2002), Jetta GLX Wagon V6-2.8L (AFP) (2001), Jetta III L4-1.9L DSL Turbo (AAZ) (1993), Jetta III L4-2.0L (ABA) (1995), Jetta III V6-2792cc 2.8L DOHC (1994), Jetta L4-1.8L Turbo (AWD) (2000), Jetta L4-1.8L Turbo (AWP) (2004), Jetta L4-1.9L DSL Turbo (AAZ) (1997), Jetta L4-1.9L DSL Turbo (AHU) (1999), Jetta L4-1.9L DSL Turbo (BEW) (2004), Jetta L4-1.9L DSL Turbo (BRM) (2006), Jetta L4-1588cc 1.6L DSL SOHC (1982), Jetta L4-1588cc 1.6L DSL SOHC (ME) (1989), Jetta L4-1588cc 1.6L DSL SOHC Turbo (1985), Jetta L4-1715cc 1.7L SOHC (1983), Jetta L4-1781cc 1.8L DOHC (1988), Jetta L4-1781cc 1.8L SOHC (ACC) Can (1995), Jetta L4-1781cc 1.8L SOHC (RV, PF) (1989), Jetta L4-2.0L (ABA) (1996), Jetta L4-2.0L (AEG) (2000), Jetta L4-2.0L (AZG) (2004), Jetta L4-2.0L (BEV) (2004), Jetta L5-2.5L (BGP) (2006), Jetta L5-2.5L (CBTA) (2008), Jetta Sedan (162) L4-2.0L Turbo (CBPA) (2011), Jetta Sedan (162) L5-2.5L (CBUA) (2011), Jetta Sedan L4-1.8L Turbo (AWP) (2003), Jetta Sedan L4-1.9L DSL Turbo (BEW) (2005), Jetta Sedan L4-2.0L (AVH) (2003), Jetta Sedan L4-2.0L (BBW) (2005), Jetta Sedan L5-2.5L (BGP) (2005), Jetta Sedan L5-2.5L (CBTA) (2009), Jetta Sedan V6-2.8L (BDF) (2003), Jetta SportWagen (AJ5) L4-2.0L DSL Turbo (CJAA) (2011), Jetta SportWagen (AJ5) L5-2.5L (CBUA) (2011), Jetta SportWagen L4-2.0L DSL Turbo (CBEA) (2009), Jetta SportWagen L4-2.0L DSL Turbo (CJAA) (2010), Jetta SportWagen L4-2.0L Turbo (CCTA) (2009), Jetta SportWagen L5-2.5L (CBUA) (2009), Jetta V6-2.8L (AFP) (1999), Jetta V6-2.8L (BDF) (2002), Jetta Wagon L4-1.8L Turbo (AWP) (2005), Jetta Wagon L4-1.9L DSL Turbo (ALH) (2003), Jetta Wagon L4-2.0L (BEV) (2005).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Engine206 pages
- Compression Check › System Information › Specifications23
Camshaft, Lifters and Push Rods5 pages
- Camshaft Gear/Sprocket › Component Information › Technical Service Bulletins › Crankshaft Timing Belt Sproket Bolt - Revised Torque2
- Camshaft, Engine › Component Information › Specifications › Measurement Specifications2
- Hydraulic Cam Follower <--> [Lifter / Lash Adjuster, Valve] › Component Information › Testing and Inspection
Cylinder Block Assembly23 pages
- Intermediate Shaft <--> [Auxiliary Shaft] › Component Information › Specifications
- Intermediate Shaft Sprocket <--> [Auxiliary Shaft Gear/Sprocket] › Component Information › Specifications
- Connecting Rod Bearing › Component Information › Specifications › Measurement Specifications2
- Connecting Rod, Engine › Component Information › Specifications › Measurement Specifications2
- Crankshaft Gear/Sprocket › Component Information › Technical Service Bulletins › Crankshaft Drive Sprocket Bolt - Changed
- Crankshaft Main Bearing › Component Information › Specifications
Crankshaft, Engine › Component Information7 pages
- Sealing Flange, Engine Front <--> [Front Engine Plate] › Component Information › Specifications
- Vibration Damper <--> [Harmonic Balancer - Crankshaft Pulley] › Component Information › Specifications
Piston, Engine › Component Information › Technical Service Bulletins2 pages
Piston Pin <--> [Piston Pin, Engine] › Component Information › Technical Service Bulletins3 pages
- Customer Interest: › 138901 › Jan › 89 › Engine - Metallic Clicking Noise
- All Technical Service Bulletins: › 138901 › Jan › 89 › Engine - Metallic Clicking Noise
- All Other Service Bulletins for Piston Pin: › 399102 › May › 91 › A/T - Shifts Erratically
- All Other Service Bulletins for Piston Pin: › 399102 › May › 91 › A/T - Shifts Erratically
- Piston Ring, Engine › Component Information › Specifications
Cylinder Head Assembly28 pages
- Fuel Pressure Release › System Information › Service Precautions
- Valve Cover › Component Information › Specifications2
- Valve Guide › Component Information › Specifications
- Valve Seat › Component Information › Specifications
- Valve Spring › Component Information › Tools and Equipment › Valve Spring Comp. Support - AST Tool # 203623
Valve, Intake/Exhaust › Component Information › Technical Service Bulletins20 pages
Drive Belts, Mounts, Brackets and Accessories12 pages
Drive Belt › Component Information8 pages
Technical Service Bulletins6 pages
- Customer Interest: › 139201 › Jan › 92 › Alternator - V Belt Slips Under Load2
All Technical Service Bulletins:3 pages
- All Other Service Bulletins for Drive Belt: › 309004 › Oct › 90 › M/T - Difficult to Shift Into Gear
- All Other Service Bulletins for Drive Belt: › 309004 › Oct › 90 › M/T - Difficult to Shift Into Gear
- Specifications › Belt Tension Specifications - Used Belts2
Drive Belt Tensioner › Component Information › Technical Service Bulletins4 pages
Engine Lubrication35 pages
Engine Oil Pressure › Component Information › Technical Service Bulletins2 pages
Engine Oil › Component Information5 pages
Oil Filter, Engine › Component Information › Technical Service Bulletins2 pages
- Oil Pan, Engine › Component Information › Locations23
Oil Pressure Sender › Component Information › Technical Service Bulletins3 pages
- Customer Interest: › 908702 › Jul › 87 › Oil Pressure Buzzer - Sounds After Switching Ignition On
- All Technical Service Bulletins: › 908702 › Jul › 87 › Oil Pressure Buzzer - Sounds After Switching Ignition On
- All Other Service Bulletins for Oil Pressure Sender: › 648703 › Jul › 87 › Vent Window - Sticks to Weatherstrip
- All Other Service Bulletins for Oil Pressure Sender: › 648703 › Jul › 87 › Vent Window - Sticks to Weatherstrip
Oil Pump Cover › Component Information › Technical Service Bulletins2 pages
Oil Pump, Engine › Engine Oil Pressure › Component Information › Technical Service Bulletins5 pages
- Customer Interest: › 908702 › Jul › 87 › Oil Pressure Buzzer - Sounds After Switching Ignition On
- All Technical Service Bulletins: › 908702 › Jul › 87 › Oil Pressure Buzzer - Sounds After Switching Ignition On
All Other Service Bulletins for Engine Oil Pressure:3 pages
All Other Service Bulletins for Engine Oil Pressure:0 pages
- 309304 › Jun › 93 › M/T - Difficulty Shifting In and Out of Gear
- 348701 › Jul › 87 › M/T - Grinds Into 1st/Reverse/Hard Shifting
- Oil Temperature Sensor/Switch, Engine › Component Information › Locations
- Intake Manifold › Component Information › Specifications2345
Seals and Gaskets, Engine8 pages
- Intermediate Shaft Oil Seal <--> [Auxiliary Shaft Seal] › Component Information › Specifications2
- Camshaft Oil Seal › Component Information › Service and Repair2
- Crankshaft Main Bearing Seal › Component Information › Specifications2
- Front Crankshaft Seal › Component Information › Service and Repair
- Valve Guide Seal › Component Information › Tools and Equipment
Sensors and Switches - Engine3 pages
Oil Pressure Sender › Component Information › Technical Service Bulletins2 pages
- Oil Temperature Sensor/Switch, Engine › Component Information › Locations
Timing Components33 pages
- Camshaft Gear/Sprocket › Component Information › Technical Service Bulletins › Crankshaft Timing Belt Sproket Bolt - Revised Torque2
- Crankshaft Gear/Sprocket › Component Information › Technical Service Bulletins › Crankshaft Drive Sprocket Bolt - Changed
Timing Belt › Component Information23 pages
- Timing Belt Tensioner › Component Information › Specifications
- Timing Chain › Component Information › Tools and Equipment23
- Timing Cover › Component Information › Specifications23
Tune-up and Engine Performance Checks38 pages
Fuel Pressure › System Information6 pages
- Air/Fuel Mixture › System Information › Specifications2345
- Idle Speed › System Information › Specifications › California Vehicles2
Air Cleaner Housing › Air Cleaner Fresh Air Duct/Hose › Component Information › Technical Service Bulletins2 pages
- Fuel Filter › Fuel Pressure Release › System Information › Service Precautions
- Firing Order › Component Information › Specifications
- Ignition Timing › Timing Marks and Indicators › System Information › Locations
Ignition Cable › Component Information › Technical Service Bulletins6 pages
All Technical Service Bulletins for Ignition Cable:3 pages
Distributor, Ignition7 pages
Distributor Advance Unit › Component Information4 pages
- Distributor Cap › Component Information › Testing and Inspection
- Ignition Rotor › Component Information › Specifications2
Spark Plug › Component Information4 pages
- Compression Check › System Information › Specifications23
- Water Pump › Coolant Pump Pulley <--> [Drive Pulley, Water Pump] › Component Information › Specifications
Cooling System231 pages
- Coolant › Component Information › Technical Service Bulletins › Fluids and Lubricants - Warranty Reimbursements23
Coolant Level Indicator Lamp › Component Information15 pages
Coolant Level Sensor › Component Information › Technical Service Bulletins3 pages
- All Technical Service Bulletins: › 908703 › Jul › 87 › Coolant Temperature Gauge Light - Flashes
- Customer Interest: › 908703 › Jul › 87 › Coolant Temperature Gauge Light - Flashes
- All Other Service Bulletins for Coolant Level Sensor: › 249401 › Jan › 94 › Engine - Poor Driveability
- All Other Service Bulletins for Coolant Level Sensor: › 249401 › Jan › 94 › Engine - Poor Driveability
Radiator Cooling Fan49 pages
Engine - Coolant Temperature Sensor/Switch28 pages
- Coolant Temperature Sensor / Switch HVAC › Component Information › Specifications › Mechanical Specifications2
Coolant Temperature Sensor/Switch (For Computer) › Component Information6 pages
Technical Service Bulletins4 pages
- All Technical Service Bulletins for Coolant Temperature Sensor/Switch (For Computer): › 249304 › Nov › 93 › MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke2
- Customer Interest for Coolant Temperature Sensor/Switch (For Computer): › 249304 › Nov › 93 › MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke2
- Locations › Coolant Temperature Sensor2
Engine Temperature Sensor › Component Information › Technical Service Bulletins6 pages
All Technical Service Bulletins for Engine Temperature Sensor:3 pages
Customer Interest for Engine Temperature Sensor:3 pages
- Temperature Sensor (Gauge) › Component Information › Locations
Lamps and Indicators - Cooling System35 pages
Coolant Level Indicator Lamp › Component Information15 pages
Temperature Gauge › Component Information13 pages
Temperature Warning Lamp/Indicator, Engine Cooling › Component Information › Technical Service Bulletins7 pages
All Technical Service Bulletins:3 pages
- All Other Service Bulletins for Temperature Warning Lamp/Indicator: › 378701 › Jul › 87 › A/T - Slips On Turns or After Stops
- All Other Service Bulletins for Temperature Warning Lamp/Indicator: › 378701 › Jul › 87 › A/T - Slips On Turns or After Stops
- Radiator › Component Information › Specifications23
- Expansion Tank Cap <--> [Radiator Cap] › Component Information › Specifications
Relays and Modules - Cooling System16 pages
Coolant Level Indicator Module › Component Information › Technical Service Bulletins2 pages
- Radiator Cooling Fan Control Module › Component Information › Locations
Sensors and Switches - Cooling System32 pages
Coolant Level Sensor › Component Information › Technical Service Bulletins2 pages
Engine - Coolant Temperature Sensor/Switch30 pages
- Coolant Temperature Sensor / Switch HVAC › Component Information › Specifications › Mechanical Specifications2
Coolant Temperature Sensor/Switch (For Computer) › Component Information8 pages
Technical Service Bulletins6 pages
- All Technical Service Bulletins: › 249304 › Nov › 93 › MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke2
- Customer Interest: › 249304 › Nov › 93 › MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke2
- All Other Service Bulletins for Coolant Temperature Sensor/Switch (For Computer): › 139102 › Apr › 91 › Engine - Ticking Noises at 1800 to 3200 RPM2
- All Other Service Bulletins for Coolant Temperature Sensor/Switch (For Computer): › 139102 › Apr › 91 › Engine - Ticking Noises at 1800 to 3200 RPM
- Locations › Coolant Temperature Sensor2
Engine Temperature Sensor › Component Information › Technical Service Bulletins6 pages
All Technical Service Bulletins for Engine Temperature Sensor:3 pages
Customer Interest for Engine Temperature Sensor:3 pages
- Temperature Sensor (Gauge) › Component Information › Locations
Temperature Gauge › Component Information13 pages
Temperature Warning Lamp/Indicator, Engine Cooling › Component Information › Technical Service Bulletins6 pages
All Technical Service Bulletins for Temperature Warning Lamp/Indicator:3 pages
Customer Interest for Temperature Warning Lamp/Indicator:3 pages
- Thermostat, Engine Cooling › Component Information › Specifications234
- Thermostat Housing, Engine Cooling › Component Information › Specifications
- Water Pump › Coolant Pump Pulley <--> [Drive Pulley, Water Pump] › Component Information › Specifications
Exhaust System9 pages
- Catalytic Converter › Component Information › Technical Service Bulletins › Exhaust - Sulfur Odor Noticed At the Pipe23
- Exhaust Manifold › Component Information › Service and Repair234
- Heat Shield, Exhaust › Component Information › Technical Service Bulletins › Catalytic Converter Heatshield - Replacing When Loose2