Boost Gauge Install DIY

How to Install a Boost Gauge This Volvo Forum topic covers installation of a boost gauge. Your model of Volvo might be different from the photos and description, but the concepts are there. Wiring, routing the vacuum tube, it’s all … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Diagnose Low/No Boost on a Turbo Volvo
2. Boost for a Light Pressure Turbo
3. 2000 V40 Temp Gauge Erratic and Engine Surging

Volvo 240 Tailgate Chomped My Wires

A common problem on 240 estates (wagons) is breakdown of the wiring to the rear lights and heated rear screen due to bad design. The wiring runs around the hinge on the tailgate and eventually wears through. This is a … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Fix Tailgate Rattle Once and For All
2. 850 Wagon Tailgate Strut Replacement Tutorial
3. Where to Run Stereo Wires

Can I Swap In A Used DIM?

Match the part number on the paper label on the top of the DIM, and all will work. The same DIM was used on the V70, XC70, S80 and S60, so you should have plenty to choose from at the … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. V70 XC (2001) How Can a Programming Update Break Everything?
2. S70 / V70 front seat swap to 850
3. ALL 2001 trannies eventually go bad, they’re junk?

850 Fuel Pump Relay Capacitor

It’s probably a good idea to replace the capacitors with higher temperature rated parts, such as the Panasonic P13132-ND (22uF, 50V) and P13122-ND (100uF, 25V) from DigiKey (37 cents and 44 cents each + $2.41 shipping) which are rated for … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Fuel Pump Relay Repair 2
2. Upgrade Fuel Pump Relay Capacitors
3. Fuel Pump Relay Repair

Reset Your Volvo’s Computer = Big Difference

How to do the reset? By simply starving the car’s ECU of electricity. How to Zero out Your Volvo’s Computer and Make it Re-Learn your Driving Style Since all 1990s and 2000s Volvos’ ECU’s have volatile memory and rely on a … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Reset procedure for SRS
2. Dash Computer Flashes DISC
3. Reset Your Service Light: A How To

1996 850 non-turbo Starter Replacement Tutorial

I posted my 1996 850 starter replacement tutorial as an addendum to Tina’s outstanding 1998 S70 starter replacementtopic. Plan on 3 hours, if you’re an average DIY mechanic like I am. You don’t need exotic tools, just 10mm-14mm ratchet, and … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Tutorial – Replacing the Starter Motor 1998 S70
2. Volvo 850 Heater Core Replacement Tutorial
3. Cam Seal & Sensor Replacement Tutorial With Photos

Do the IPD Chip? Exhaust?

This Volvo Forum topic started as a question about identifying a modified ECU by simply looking at it. Then it morphed into straight performance talk. Could I feel the difference between 236hp and 285hp? Indubitably… I also have their 3″ … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Dual exhaust for 98 V70 AWD
2. Volvo V70 Straight Pipe Exhaust Mod
3. Volvo ECU Chip Guide

Preventing Cold Weather Problems on our Volvos

It’s currently 14 degrees BELOW zero here in Denver, Colorado (Matthew1 can vouch for that) and I’m concerned about my 850. Haven’t started it yet but for my future reference, what suggestions can you offer to prevent engine/cooling related issues … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Colder Weather Tips – Winterize Your Volvo
2. How To Diagnose Heater Problems
3. V70GLT 2000 Starting issue – Cold or Hot

S/V 70 Terminal Repair

Bad Terminal Symptoms Headlights intensity lower when rear defroster is used or when ABS activates. Lights are dimming in dash pod when electrical system is stressed. ECC unit lights flashes after car is started in freezing condition. Starter motor turns … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Drain on Battery 1997 850 GLT
2. 2001 S40 Stalling
3. Blower Motor Replacement (How To)

2001 V70 ABS Module Frustration

MVS Forums superuser and ABS expert Matty Moo lays out these facts in trying to solve a particularly vexing ABS module mystery: The 8619538 module works on other pre-CEM. The other STC modules don’t want to work on CEM cars with … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. 2001 S80 T6 Siren Module Replacement/Repair – How To
2. V70 XC (2001) How Can a Programming Update Break Everything?
3. Where to Send Your ABS Module

HID Error Code Eliminators

Assuming your car has stock 55w wiring: -A 35w HID kit will need the BOW3 eliminator. -A 55w HID kit will not need the BOW3 eliminator. Alert! New addition to the forum topic Error Code Eliminators by MVS Contributor (thank you!) … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Low Beam Bulb Failure Triggered by Aftermarket Xenons
2. Speed Sensor A: Error Code P0500
3. Removing S80 headlight lenses for cleaning

Which Brand Battery To Buy?

I am shopping for a new battery. Autozone Duralast Group 47 (or 48) battery is about $93.00! Is there a cheaper alternative? Duracell? Stock Volvo battery? Costco? Napa Gold International? Interstate? AGM? Everstart? Your Battery Brand and Price Related posts:Volvo … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Volvo 240 DL Battery Does Not Charge
2. Drain on Battery 1997 850 GLT
3. New Headlights – A Good Brand

Custom AW50-42 Autobox Remap

Remapping shift points: theory vs reality Knowledgable Volvo forum member JDS60R speaks about the pros and cons of running shift-point-remapping software on our 850, S70, V70 and other Volvo models. He answers the question Is there anything to gain or … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Custom 850 S70 And V70 Airbox Modification
2. Transmission Slow to Shift Into Drive
3. 960 Transmission shift prob, blinking up arrow, code P0500

V70 2000 Rear Wiper stopped working…Problem solved!

Solution to a problem many of you may have with the rear wiper assembly on a V70 wagonL I discovered my rear wiper stopped working about 6 months ago, and I just haven’t had a lot of time to diagnose … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Rear Wiper Maintenance
2. Maf Sensor problem .solved
3. Replacing Headlight Wiper Blades

Delay wiper upgrade for 850 / V70 models

I just wanted to share some information regarding the delay wiper systems on our cars. As you all know there is only one delay setting which is either too short or too long, but hardly ever right. I purchased a … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Replacing Headlight Wiper Blades
2. All Volvo Models 1997+ reliability — better info
3. Fuel Pump Relay Repair 2

Bad Alternator Symptoms

Repeated Dead Battery – The Alternator was Bad My car wouldn’t turn over at all today. It was dead, interior lights barely on. The battery is 12 months old to the day. I don’t live in a state where there … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. 240 Alternator Replacement
2. Alternator replacement
3. Tutorial – Replacing the Starter Motor 1998 S70

Brake Failure Please Stop ASAP error…plus lights galore

A few days ago i got “Brake Failure Please Stop ASAP” error and the ABS,Brakes,and STC lights all came on. So, i pulled over and tried to restart hoping it was a computer fault. Stopping was fine, brakes were fine. … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. 940 1993 Stop Lights Do Not Work
2. Volvo 850, S70, V70 Cruise Control Points of Failure?
3. Warning lights come on During Acceleration

Check Engine Light Set by Failing Coils

I swapped out the the coil ($75.00 dealer part) and my problems were solved. I cleaned the MAF sensor and it was no longer an issue. Went to my local Autozone and reset my light. All is well with my … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Check Engine Light – Running Rough
2. Jerking w a Flashing Check Engine?
3. ETS Light With My 1999 V70 GLT

240 Alternator Replacement

There is no tensioner per se on the 240. The tensioning is done by moving the alternator. At the top of the alternator there is a tensioning arm with an elongated hole in it. There is a square necked screw … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Alternator replacement
2. Timing Belt Tensioner How To?
3. Steps for Replacing Ignition Switch 760/960

Warning lights come on During Acceleration

Symptoms of a Bad Alternator Warning lights would appear as soon as i hit about 3,000 PMs and release the gas to coast Once i got to work i sat in the parking lot and tested it. In park i … Continue reading →

-- Volvo Forum and Help for Volvo Owners since 2001

1. Should I Stay and Pay or Cut Losses?
2. New PNP Fixes Broken Reverse Lights
3. Polyurethane upper engine mount gave extreme vibration