1998 Volkswagen LT Bus engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Volkswagen gasoline straight-4 2.3 Liters AGL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Volkswagen diesel straight-5 2.5 Liters AGX engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAuxiliary drive belt tensioner

expand_moreAll other modifications


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAuxiliary drive belt tensioner


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAir-conditioning compressor


All Volkswagen gasoline straight-4 2.3 Liters AGL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAir-conditioning compressor bracket


All Volkswagen gasoline straight-4 2.3 Liters AGL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll other modifications


M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


Air-conditioning compressor pressure line	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAlternator

expand_more2.3 with gasoline straight-4 2.3 L 141 HP engine (1996.5–2006.7)


M8	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreGenerator bracket


All Volkswagen gasoline straight-4 2.3 Liters AGL engines	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m


Power steering pump bracket	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCarburetion


Injection pump drive wheel	118.01 lbf⋅ft118.01 lbf⋅ft160 N⋅m
Lightly lubricate the screws.

expand_moreFuel-distributing pipe


All Volkswagen gasoline straight-4 2.3 Liters AGL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


High-pressure pump pulley	77.44 lbf⋅ft77.44 lbf⋅ft105 N⋅m
Injection hoses	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection nozzle (injector)


All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection pump


All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Injection pump pulley	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m

expand_moreCharging

expand_moreTurbo charger


All other modifications	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Nuts must be replaced.

expand_moreCooling system

expand_moreCoolant pump

expand_moreAll Volkswagen gasoline straight-4 2.3 Liters AGL engines


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCoolant pump pulley


2.3 with gasoline straight-4 2.3 L 141 HP engine (1996.5–2006.7)	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreViscous fan bracket

expand_moreAll other modifications


Central bolt at the bearing pedestal	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Bearing pedestal at the holder	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Belt pulley	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
On the engine block	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreViscous fan clutch


All Volkswagen gasoline straight-4 2.3 Liters AGL engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Left-hand thread
All other modifications	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCylinder head screws

expand_moreAll Volkswagen gasoline straight-4 2.3 Liters AGL engines

expand_moreScrews 1 – 10

Figure 1. Cylinder head, Cylinder head screws, Volkswagen gasoline straight-4 2.3 Liters AGL, Screws 1 – 10.


First stage	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Heed bolt length. See figure 1.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreScrews 11, 12, 13, and 14


Fourth stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll other modifications

Figure 2. Cylinder head, Cylinder head screws, All other modifications.


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Screws must be replaced. See figure 2.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreCylinder head screws shank length (new)


2.3 with gasoline straight-4 2.3 L 141 HP engine (1996.5–2006.7)	4.02–4.13 in4.02–4.13 in102–105 mm

expand_moreValve cover


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Volkswagen gasoline straight-4 2.3 Liters AGL engines


First stage	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Second stage	90°90°90°

expand_moreAll other modifications


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Screws must be replaced.
Second stage	90°90°90°

expand_moreCrankshaft central screws


All Volkswagen gasoline straight-4 2.3 Liters AGL engines	221.27 lbf⋅ft221.27 lbf⋅ft300 N⋅m
Screws must be replaced.

expand_moreAll other modifications


First stage	118.01 lbf⋅ft118.01 lbf⋅ft160 N⋅m
Screws must be replaced.
Second stage	180°180°180°

expand_moreCrankshaft pulley


All Volkswagen diesel straight-5 2.5 Liters AGX engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreFlywheel

expand_moreAll Volkswagen gasoline straight-4 2.3 Liters AGL engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Screws must be replaced.
Second stage	90°90°90°

expand_moreAll other modifications


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Screws must be replaced.
Second stage	90°90°90°

expand_moreMain bearing

expand_moreAll Volkswagen gasoline straight-4 2.3 Liters AGL engines


First stage	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Second stage	90°90°90°


All other modifications	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreVibration damper


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine control


Bottom part of the control unit housing	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Camshaft drive belt deflection pulley	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Camshaft timing chain slip rail	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Camshaft timing chain tensioner	59 lbf⋅ft59 lbf⋅ft80 N⋅m

expand_moreCamshaft timing gear

expand_moreAll Volkswagen gasoline straight-4 2.3 Liters AGL engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Screws must be replaced.
Second stage	90°90°90°

expand_moreAll other modifications


Class 8.8 screws	62.69 lbf⋅ft62.69 lbf⋅ft85 N⋅m
Class 10.9	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m


Chain tensioner locking screws	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Injection pump drive belt tensioning roller	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreToothed belt guard at the bottom


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use sealant.
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use sealant.

expand_moreToothed belt guard at the top


M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreToothed belt guard center


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use sealant.


Toothed belt tensioning roller	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use sealant.

expand_moreTop part of control unit housing


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine lubrication

expand_moreOil cooler


Heat-exchanger on oil filter housing	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil drain plug


All Volkswagen gasoline straight-4 2.3 Liters AGL engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreOil filter housing


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil pump


2.3 with gasoline straight-4 2.3 L 141 HP engine (1996.5–2006.7)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreOil sump


All Volkswagen gasoline straight-4 2.3 Liters AGL engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll other modifications


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine management

expand_moreCrankshaft sensor


All Volkswagen gasoline straight-4 2.3 Liters AGL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreGlow plugs


All other modifications	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m


Lambda sensor	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreEngine mounting

expand_moreSubframe


On frame	92.2 lbf⋅ft92.2 lbf⋅ft125 N⋅m
Nuts must be replaced.

expand_moreExhaust system

expand_moreExhaust manifold


All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Nuts must be replaced.

expand_moreIgnition system

expand_moreSpark plugs


2.3 with gasoline straight-4 2.3 L 141 HP engine (1996.5–2006.7)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreStart system

expand_moreStarter


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1998 Volkswagen LT Bus user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and Volkswagen warranty policy for your region. In some regions DIY service may invalidate your warranty.

Maintenance Items

Engine Fastener Tightening Specifications
Front Suspension Fastener Tightening Specifications
Rear Suspension Fastener Tightening Specifications
Transmission Fastener Tightening Specifications

Service Intervals

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Volkswagen LT Bus service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 1998 Volkswagen LT Bus you're not only saving money, but also also improving your technical skills and learning something new.

1998 Volkswagen LT Bus Second generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Volkswagen LT Bus Second generation model years

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