The service and repair manual for the 1998 Volvo WAH — 12.7L I6 and 8.3L I6 and 10.8L I6 and 11.1L I6 engines, 3 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 year | 1998 |
|---|---|
| Engines | 12.7L I6 — 774 cu in 8.3L I6 — 505 cu in, turbocharged 10.8L I6 — 661 cu in, turbocharged 11.1L I6 — 677 cu in |
| Trims | WAH64T Tractor Truck - Short Conventional · WAH64 Straight Truck - Short Conventional · WAH42 Straight Truck - Short Conventional |
| Federal record | 4 recalls · 0 complaints · 26 technical service bulletins (refreshed 2026-08-21) |
02 / Known issuesRecalls on federal record for the 1998 WAH
- Parking Brake · 00V002002The loss of service brakes can occur, increasing the risk of a crash.
- Service Brakes, Air — antilock · 00V232003This condition could cause the abs ecu to exhaust the air at the air brake modulators for one or mor.
- Wheels — rim · 98V120001This condition can cause failure of these wheels.
- Suspension — front › springs › air suspension › lines and fittings · 98V255000This condition would result in increased stopping distances.
Owners have filed 0 complaints and Volvo has issued 26 technical service bulletins for the 1998 WAH. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1998 WAH manual
Is this manual specific to the 1998 WAH?
Yes. It is the OEM manual matched to the 1998 model year, covering the 12.7L I6 and 8.3L I6 and 10.8L I6 and 11.1L I6 across the WAH64T Tractor Truck - Short Conventional, WAH64 Straight Truck - Short Conventional, WAH42 Straight Truck - Short Conventional trims. Specifications and procedure sequences are the ones Volvo published for this year.
What 1998 WAH problems does it help with?
4 recalls are on federal record for the 1998 WAH, 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 WAH 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 WAH years and 1998 Volvo models
2002 WAH · 2001 WAH · 2000 WAH · 1999 WAH · 1997 WAH · 1996 WAH · all 7 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 WC · 1998 Volvo WG · 1998 Volvo WI · 1998 Volvo WX · every 1998 model