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Search took 0.01 seconds. Search: Posts Made By: john2031

Forum: Tech Help

03-25-2008, 05:18 PM

Replies: 1

Passenger side door light switch

Views: 956

Posted By john2031

Passenger side door light switch

How can I access the wiring for the dome light switch on the passenger side door. It is a 1990 300SEL. I bought the car used and found the wiring over heated and burned for this switch. The wires...

Forum: Tech Help

01-11-2008, 10:03 PM

Replies: 18

Battery Drain

Views: 3,329

Posted By john2031

Battery Drain

I have a Greenlee DM-20 Meter. The settings for amps are 2000u, 20m, 200m. I have not checked the draw at the battery terminals but will do it tomorrow. There are 2 spades on the powerside of the...

Forum: Tech Help

01-11-2008, 05:16 PM

Replies: 18

Battery Drain

Views: 3,329

Posted By john2031

I unplugged the clock, radio, hazzard relay,...

I unplugged the clock, radio, hazzard relay, vanity lights and measured the draw and it is still to large for me to measure. The only thing I haven't unplugged is listed as "elect illumin" on the...

Forum: Tech Help

01-09-2008, 11:35 PM

Replies: 18

Battery Drain

Views: 3,329

Posted By john2031

Battery Drain

When I put the fuse in circuit #2 everything listed on the card in the fuse box works. I think something must be on that circuit not listed on the card. The radio is new and works.

Forum: Tech Help

01-09-2008, 04:59 PM

Replies: 18

Battery Drain

Views: 3,329

Posted By john2031

Battery Drain

The reading of 1 would be infinity such as more than my digital meter can measure. I tested the right and left headlights and each of them read 1 when on. I know this is the circuit that was killing...

Forum: Tech Help

01-08-2008, 10:33 PM

Replies: 18

Battery Drain

Views: 3,329

Posted By john2031

Strange

I know this circuit is killing the battery. I measured where the fuse plugs in. I set the meter on 2000u at it reads 1 on circuit #2. Other circuits read 003 or 001. Maybe the reading with the...

Forum: Tech Help

01-08-2008, 06:42 PM

Replies: 18

Battery Drain

Views: 3,329

Posted By john2031

Fuse box

I did discover how to open the fuse box. Circuit#2 has 2 spades with 4 wires each. I checked each spade seperate and they are both drawing to many amps. All the wires are the same color (red with...

Forum: Tech Help

01-07-2008, 05:07 PM

Replies: 18

Battery Drain

Views: 3,329

Posted By john2031

Wires

Gilly,
How do I get to the wires for each fuse? It looks like an individual cap for every 3 fuses. I tried to open it but it would not open. I did not want to break anything.

Forum: Tech Help

01-05-2008, 10:55 PM

Replies: 18

Battery Drain

Views: 3,329

Posted By john2031

battery drain

Thanks for the information. I will take the wires off one at a time soon. :D

Forum: Tech Help

01-05-2008, 09:36 PM

Replies: 18

Battery Drain

Views: 3,329

Posted By john2031

Drain

With the fuse in #2 everything works. The battery will be dead within 2 days. It seems as though the fuse would blow because it is only 8 amp. I hate driving without a radio.

Forum: Tech Help

01-05-2008, 05:26 PM

Replies: 18

Battery Drain

Views: 3,329

Posted By john2031

Battery Drain

I have a 1990 300SEL. I purchased the car knowing that something was draining the battery. Circuit #2 is drawing more amps than my meter can measure. I removed the fuse and the battery stays...

Forum: Tech Help

12-07-2007, 11:04 PM

Replies: 19

1990 300SEL Hard to start

Views: 5,458

Posted By john2031

Not as hard to start

I have noticed also when I press the accelarator to the floor and let of it as I crank it does start faster. I will say that I replaced the fuel filter and the check valve but it did not help my...

Forum: Tech Help

12-03-2007, 06:10 PM

Replies: 19

1990 300SEL Hard to start

Views: 5,458

Posted By john2031

Almost There

I adjusted the EHA 1/4 turn cw as found in other post. It will now start on first or second try but it stumbles. If it cut off it will start back on the next try. After it stumbles for 30 to 45...

Forum: Tech Help

11-21-2007, 06:47 AM

Replies: 19

1990 300SEL Hard to start

Views: 5,458

Posted By john2031

2 things not causing the problem

I changed the fuel filter and the check valve. Car does run smoother, but was hard to start this morning. Will be looking at cold start valve soon.

Forum: Tech Help

11-05-2007, 06:56 AM

Replies: 19

1990 300SEL Hard to start

Views: 5,458

Posted By john2031

power antenna

The power antenna is unplugged. The drive motor works, but will not operate with the button or with radio. I think the curcuit board is bad.

Forum: Tech Help

11-04-2007, 11:34 PM

Replies: 19

1990 300SEL Hard to start

Views: 5,458

Posted By john2031

1990 300SEL Hard to start

I have owned this car for a year and I have been working on it when I have time. I am just now ready to put it on the road but still have several small things to repair. It was always easy to start...

Forum: Tech Help

09-22-2007, 05:28 PM

Replies: 20

1990 300SEL a/c problem

Views: 3,431

Posted By john2031

There is no vacuum to the servos at the air door...

There is no vacuum to the servos at the air door behind the glove box. All the other doors work. What should I check first? I will be ordering a freon scale and will remove the freon from the car...

Forum: Tech Help

09-20-2007, 08:38 PM

Replies: 20

1990 300SEL a/c problem

Views: 3,431

Posted By john2031

Fresh Air Door

Checked the Air door behind the glove box today. It does not close with temp wheel in min position. When I press the recirculate button it does not close either. I closed it and put a small block of...

Forum: Tech Help

09-19-2007, 11:05 PM

Replies: 20

1990 300SEL a/c problem

Views: 3,431

Posted By john2031

Had a little time today to check air flow. Air...

Had a little time today to check air flow. Air is blowing out of vents inside car. Air is sucking in at grill under wipers on outside of car. Do they make a metering device to check how much freon...

Forum: Tech Help

09-18-2007, 11:03 PM

Replies: 20

1990 300SEL a/c problem

Views: 3,431

Posted By john2031

Thanks for all the ideas. It will be this weekend...

Thanks for all the ideas. It will be this weekend before I can check out things. I will check the fresh air door first. When I press the recirculate button I can not tell a difference. Air is coming...

Forum: Tech Help

09-17-2007, 11:31 PM

Replies: 20

1990 300SEL a/c problem

Views: 3,431

Posted By john2031

Yes the txv is new. This compressor is a reman. ...

Yes the txv is new. This compressor is a reman. The line is cool to the touch but because of the air temp coming out I can't tell if I have too much freon or not enough. I can feel air blowing out...

Forum: Tech Help

09-16-2007, 11:17 PM

Replies: 20

1990 300SEL a/c problem

Views: 3,431

Posted By john2031

The car was R12 but had no freon when I purchased...

The car was R12 but had no freon when I purchased it. I decided to use R134a because all of my other cars have been changed over. I flushed the system and put in the correct amount of PAG oil. I...

Forum: Tech Help

09-16-2007, 09:04 AM

Replies: 20

1990 300SEL a/c problem

Views: 3,431

Posted By john2031

Thanks William, How did you clean it? Do...

Thanks William,
How did you clean it? Do you have to remove it from the car? If so I see a major dash removal!!

Forum: Tech Help

09-15-2007, 07:57 PM

Replies: 20

1990 300SEL a/c problem

Views: 3,431

Posted By john2031

1990 300SEL a/c problem

If working on cars drove you crazy I'd been there a long time ago!! I purchased this car knowing the air and radio did not work. The compressor clutch was locked up. I have replaced the following...

Forum: Tech Help

07-21-2007, 09:49 PM

Replies: 8

A/C Help 90 300SEL

Views: 1,130

Posted By john2031

Not cool

Tonight (Sat) I turned the a/c on as soon as I started the car. The low side pressure is #60 and the suction hose is cold. The air temp coming from the vents is about 63 degrees. At 2000 rpm's the...

Forum: Tech Help

07-20-2007, 11:52 PM

Replies: 8

A/C Help 90 300SEL

Views: 1,130

Posted By john2031

Still not cool

I let off the belt and tightened it again. I am sure that the tensioner is working. I added enough freon so that the low side pressure is #40 at 2000 rpm's.
The car idles @ 700 rpm's and the low...

Forum: Tech Help

07-17-2007, 10:36 PM

Replies: 8

A/C Help 90 300SEL

Views: 1,130

Posted By john2031

Thanks

I let out some of the freon. The belt is new but when I put it on I could not find the pointer to tell when the tension was right. I found it tonight and loosened everything and tightened it...

Forum: Tech Help

07-16-2007, 07:41 PM

Replies: 8

A/C Help 90 300SEL

Views: 1,130

Posted By john2031

A/C Help 90 300SEL

Purchased my first MB last year. A/c was not working. The clutch bearing was locked up. I replaced the clutch, all seals in compressor (Nippendenso 10pa17c), TXV, and drier. I pulled a vacuum and...

Forum: Mercedes-Benz Used Parts For Sale & Wanted

03-17-2007, 11:37 AM

Replies: 0

1990 300sel

Views: 586

Posted By john2031

1990 300sel

I am looking for the metal strips on the outside of the passenger side doors. Mine are on the car but the front one is bent in several places. The back one is screwed to the door trim panel.

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