Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

'94 850 N/T issues

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Old Jan 26, 2008 | 08:47 AM
  #1  
jaysus1's Avatar
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Default '94 850 N/T issues

Okay, had my 850 for about a year now and I have a couple issues.

1. Starting the car. Car doesnt' start right away. I turn the key hear the fuel pump kick on, turn the key and all I get is a click. I just continue the process and finally it will start, sometimes on the next turn and other times it will take 20 or 30 attempts. Solenoid? Starter? Maybe just a coincidence but I will get out the battery pack and connect and within about 30 seconds being on the pack it will start. I had the battery replaced last year, is it possible that it doesn't have enough cold cranking amps? The battery in it now has 550, which is a top tier battery from partamerica.

2. ABS makes all kinds of wonderful noises. I will just be driving down the road and it will just start buzzing. If I hit the brake it will bite real hard then stop. If my ABS light remains on it does not happen.

What to do any wonderful ideas?

Thanks in advance for the help.

Newbie
Jay

 
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Old Jan 26, 2008 | 09:33 AM
  #2  
tech's Avatar
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Default RE: '94 850 N/T issues

1. Sounds like a bad starter. The extra boost of power helps it start. The starter is trying to pull to many Amps because it is going bad.

2.I would try cleaning the sensors first. If it still happens the ABS module is most likely bad.
 
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Old Jan 26, 2008 | 10:00 AM
  #3  
Ozark Lee's Avatar
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Default RE: '94 850 N/T issues

On your ABS, you have a '94 and those ABS modules rarely fail. Pull codes from socket A-3 and it will tell you which wheel sensor to focus on.

...Lee
 
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Old Jan 26, 2008 | 10:20 AM
  #4  
tech's Avatar
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Default RE: '94 850 N/T issues

ORIGINAL: Ozark Lee

On your ABS, you have a '94 and those ABS modules rarely fail. Pull codes from socket A-3 and it will tell you which wheel sensor to focus on.

...Lee
For some reason there is alot of the 1994 ABS module going bad lately.
There is a bunch of them on this forum as well that went bad.

I know they are usually great modules but have seen some lately going bad.
 
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Old Jan 26, 2008 | 10:30 AM
  #5  
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JPN
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From: IPS, MA
Default RE: '94 850 N/T issues

Mine also failed ('94), reporting multiple codes every time I reset it[8D].

That ATE module was a bad idea, made in, well, read the box to see where it was made (no offense, to be fair, aircraft techs from that country are excellent). Extra shipping distance (across a large body of water &a continent) wouldn't do much benefit.


JPN
 
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Old Jan 26, 2008 | 10:53 AM
  #6  
Ozark Lee's Avatar
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Default RE: '94 850 N/T issues

I hate hearing that problems are cropping up on the older units. I figured out how to fix the later model ABS units from my son's '96 - they all fail -but I have not yet had to deal with the '94 short of cleaning the crud off of the wheel sensors while doing a brake job.

So far so good in my case.

The plus is the old style units go fairly cheap on eBay.

...Lee
 
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Old Jan 26, 2008 | 11:23 AM
  #7  
tech's Avatar
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Default RE: '94 850 N/T issues

Yep agreed here as soon as I can find a spare older one I want to open it up and check out what makes it tick.
 
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Old Jan 27, 2008 | 10:07 AM
  #8  
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Default RE: '94 850 N/T issues

What do you all use to clean the crud from the wheel sensors...brake cleaner, alcohol, kerosene, ????
 
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Old Jan 27, 2008 | 10:18 AM
  #9  
tech's Avatar
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Default RE: '94 850 N/T issues

Brake cleaner usually works pretty good.
 
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