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Posts posted by mkoch
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1985 BRAT. I have decided to upgrade my alternator to a 90amp 1989 Nissan Maxima model.
Is there an online source for a v pulley?
Is it possible to use the pulley from the original BRAT alternator on the new alternator?
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12 hours ago, azdave said:
The schematic can mislead you but the circled thermostat is actually in-circuit at all blower speed selections. ...
With the battery disconnected, I tested the resistance from the AC relay, through the thermostat and fan speed switch, to ground.
You're right! The thermostat is part of the circuit in the four fan speed positions.
Thank you for the response!
12 hours ago, azdave said: -
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3 hours ago, el_freddo said:
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What’s the issue you’re chasing?
Cheers
Bennie
I am trying to make the air conditioner work.
I have 1984 Subaru 1600 1800 Engine and Body Service Manual
and
1984 Subaru Wiring Diagram and Troubleshooting
It looks like the 85 BRAT has the same dash and engine wiring as the 84 4wd wagon.
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I have the manual to the 84 gl, but the vehicle I drive is an 85 BRAT.
Can I use the 84 wiring diagrams to fix the 85 BRAT?
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I have the manual to the 84 gl, but the vehicle I drive is an 85 BRAT.
Can I use the 84 wiring diagrams to fix the 85 BRAT?
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On 6/3/2022 at 5:18 PM, Steptoe's photos said:
which hoses? I think they are the same throughout but not sure
I the ones which connect to the heater core. Connect on the driver's side firewall.
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I want to replace the heater hose on my '85 BRAT. What diameter should I get?
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7 hours ago, DaveT said:
How many miles on the alternators? They typically wear out a brush right around 150k miles, causing low output. I've rebuilt several of the alternators since 1988, 150k is very repeatable. A couple of times the internal regulator or the rectifiers died.
That sounds about right. Both alternators that recently went bad had well over 100,000 miles on them.
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I have an 85 BRAT, I replace the alternator six months ago with one from my parts car, '84 GL. The replacement seems to be bad, with low voltage shown, and light coming on.
Is there any component which could be making these alternators go bad? I thought the voltage regulator is in the alternator.
mkoch
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I had what seemed like front axle problems. I can drive in 4wd, but not 2wd.
The video explains is all. Parking brake on, engine running, 1st gear 2wd , clutch engaged.
The castellated nut just spins!
https://youtube.com/shorts/yYehV4mw_lg?feature=share
What th... What's the problem??
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The video tells the story!!! The left turn signal switch will activate flashing in bulbs other than the turn signal bulb!
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I had a leak, in a coolant bypass hose. I used dry ice in the radiator to pressurize the cooling system, and the leak became much easier to find.
Video.
https://youtube.com/shorts/gN2hKFJvt3M?feature=share
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2 hours ago, GeneralDisorder said:
Cut open the oil filter and have a look.
GD
Thank you for the response, and thank you for all the posts on ultimatesubaru.org!
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My front main seal leaked, and I saw that I was losing oil pressure just as I was on a highway on ramp. I had definitely driven with low oil for a few miles, but good oil pressure.
So glad I noticed the dipping oil pressure gauge!
I replaced the crankshaft seal, and topped up the oil.
In startup, it sounded like the hydraulic valves ticked until they were filled with oil.
I have a new sound above 2000 rpm, well represented on the video.
Any guesses?
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On 7/22/2021 at 9:12 AM, el_freddo said:
Common problem that one. Tricky if you don’t know what to look for. The symptoms make sense as this being the issue. It’s a relatively easy fix once you’ve got the part.
Cheers
Bennie
The ignition control module, in the distributor, has a condenser. The 1984 GL does not have points. Could the condenser go bad and cause the problem mentioned?
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On 7/4/2021 at 10:19 AM, 6 Star said:
Use the floor jack to hold pressure on the LCA ..."
What is "LCA"?
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Following up on this.
The new 5psi fuel pump solved the problem.
I could cruise at highway speeds all day!
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I need to replace the front axles on my 85 BRAT. Do I need to remove the wheel bearing housings from the car?
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On 5/21/2021 at 7:47 AM, el_freddo said:
Before it baulks does it sound or feel like it’s running out of power?
If so, it’s probably fuel starvation of some description. It could be the fuel pump as previously stated. They shouldn’t be too noisy. You should hear it prime then die before starting the engine. After start up you shouldn’t her the pump over the noise of the EA81!
Cheers
Bennie
I did not notice a loss in power before the balking. I tried to recreate the problem today, and I was unable to make it balk.
I did some before and after measurements.
Old fuel pump, 2psi (13.8 kPa) at carb, 594 cc/ minute unrestricted flow.
New fuel pump 5psi (34.5 kPa)at carb, 983cc/minute unrestricted flow.
The unrestricted flow was from the forward fuel filter, so there must have been some loss to the vapor return line.
Is 2psi fuel.pressure a problem with a Hitachi?
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1 hour ago, moosens said:
Have you ever taken the carb off and soaked it , refreshed it with a kit ? Float needle could be an issue here. My opinion.
as you mention , the valve that fills the float bowl.Where are such kits available?
Stripped hub, second one!l
in Old Gen.: 80's GL/DL/XT/Loyales...
Posted · Edited by mkoch
I stripped a hun on my 1985 BRAT, for the second time! The 36mm castellated nut was at the right torque, with cotter pin. What am I doing wrong?