1998 Volvo WG Service & Repair Manual

← 1997All WG years1999 →

The service and repair manual for the 1998 Volvo WG — 12.1L and 10.5L and 10.0L I6 and 14.0L I6 and 10.8L I6 and 14.6L I6 and 11.1L I6 engines, 6 trims. Matched to this exact model year, so the specifications and sequences are the ones Volvo published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year1998
Engines
12.1L
10.5L
10.0L I6 — 611 cu in, turbocharged
14.0L I6 — 855 cu in, turbocharged
10.8L I6 — 661 cu in, turbocharged
14.6L I6 — 893 cu in, turbocharged
11.1L I6 — 677 cu in
TrimsWG64 Straight Truck - Medium Conventional · WG42T Tractor Truck - Medium Conventional · WG42 Straight Truck - Medium Conventional · WG64 Straight Truck - Low Tilt · WG86 Straight Truck - Medium Conventional · WG64T Tractor Truck - Medium Conventional
Federal record6 recalls · 4 complaints · 21 technical service bulletins (refreshed 2026-08-21)

02 / Known issuesRecalls on federal record for the 1998 WG

  1. Parking Brake · 00V002002
    The loss of service brakes can occur, increasing the risk of a crash.
  2. Service Brakes, Air — antilock · 00V232003
    This condition could cause the abs ecu to exhaust the air at the air brake modulators for one or mor.
  3. Wheels — rim · 98V120001
    This condition can cause failure of these wheels.
  4. Steering — linkages · 98V297000
    This condition can result in the loss of steering control, increasing the risk of a crash.
  5. Suspension — front › springs › air suspension › lines and fittings · 98V255000
    This condition would result in increased stopping distances.
  6. Exterior Lighting — tail lights › switch · 02V238000
    It may not allow the driver of a rearward approaching vehicle to have full view of the lamps.

Owners have filed 4 complaints and Volvo has issued 21 technical service bulletins for the 1998 WG. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 1998 WG manual

Is this manual specific to the 1998 WG?

Yes. It is the OEM manual matched to the 1998 model year, covering the 12.1L and 10.5L and 10.0L I6 and 14.0L I6 and 10.8L I6 and 14.6L I6 and 11.1L I6 across the WG64 Straight Truck - Medium Conventional, WG42T Tractor Truck - Medium Conventional, WG42 Straight Truck - Medium Conventional, WG64 Straight Truck - Low Tilt, WG86 Straight Truck - Medium Conventional, WG64T Tractor Truck - Medium Conventional trims. Specifications and procedure sequences are the ones Volvo published for this year.

What 1998 WG problems does it help with?

6 recalls are on federal record for the 1998 WG, covering parking brake, service brakes, air, wheels. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Volvo dealers.

Does it include 1998 WG wiring diagrams?

Yes — the complete wiring diagrams for the 1998 build, alongside repair procedures, specifications and diagnostics.

Is it a subscription?

No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.

RelatedOther WG years and 1998 Volvo models

2001 WG · 2000 WG · 1999 WG · 1997 WG · 1996 WG · all 6 years

1998 Volvo ACL · 1998 Volvo C70 · 1998 Volvo FE · 1998 Volvo S70 · 1998 Volvo S90 · 1998 Volvo V70 · 1998 Volvo V90 · 1998 Volvo VN · 1998 Volvo WAH · 1998 Volvo WC · 1998 Volvo WI · 1998 Volvo WX · every 1998 model