Brief background to the Volvo 850

Register Keeper's reports.
This page contains a series of articles of technical and general interest by the club official who specialises in this particular Volvo.

Volvo Brochures
These contain technical and general specifications.

S70/V70 and 850 Range.
Information on the 850 and S70/V70 Series

Service light reset
Procedure on resetting the service light on the 850/70 models

Cracking body shell
Technical information on 850

The KALMAR UNION 1397
850/S70/V70/C70 Performance Tuning in the UK

TME
Swedish site offering high performance products for many of the newer Volvo models, 850, S70, V70, C70 Series

850 Styling
Swedish site with lots of information and parts on improving the 850 and S/V70 range.

Volvo Service Schedule
The approved Volvo service schedule for the 850 and S/V70 and TDI models

Volvo 850 Service and maintenance documents

850 ABS EBD valve, and ABS wiring problems
Some 850 models have a faulty valve in the ABS unit, others have a fault in the ABS wiring. See this report for chassis numbers affected.

850/70 Starting Problem
Some of these cars suffer difficulties starting.

Ticking Noise
Cause and cure

Replacing valve guides
Revised Volvo procedure

Identification plates. 850 1991-4
Interpreting the information on the various plates in the engine compartment

Buying a Volvo 850 or 70 Series
Some tips and advice

Engine cutting out when slowing down
Cause and cure for this problem

Superchips
Improve the performance of your car with a new ECU chip.

1999 Engine Changes
A very good summary of the technical changes (and related benefits) made to the N series engine late in 1999.

Volvo 850 club in The Netherlands

Volvo 850 Owners Manual
VOC Members Only. Parts of it may also apply to early S/V70

850 and early 70 Technical Service Bulletins
VOC Members only have access. PDF file

850 Tyre pressures

Bosch Motronic LH 3.2

Bosch Motronic 4.4
Modification on 850 B5254T. PDF

Volvo 850 AWD technical overview. PDF

Volvo 850 SRS and SIPS. PDF

Volvo B5204 HT/LT Engine.PDF

Volvo 850 B5254T Engine. PDF

Injector replacement. PDF

Electronic engine systems
850/70 Series to MY 2000. PDF

Electronic engine system components
850/70 Series up to MY 2000. PDF

Volvo Bi–Fuel Cars

Exhaust and Intake system
850/70 turbo models to MY 2000. PDF

Fuel control
850/70 up to MY 2000. PDF

Idle air control
850/70 up to MY 2000. PDF

Ignition control
850/70 up to MY 2000. PDF

Other engine functions
850/70 up to MY 2000. PDF

Volvo 850 heated seats issue
Bulletin from Volvo Car Corpration. PDF
12 January 2004

Volvo 850 sticking throttle

Volvo 850 Recalls (Not a complete list)

6 CD Changer Installation. 850 Estate (PDF)