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Author Topic: DTSNEO6's 84 Gran Fury AHB  (Read 21885 times)

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DTSNEO6

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Re: DTSNEO6's 84 Gran Fury AHB
« Reply #150 on: May 25, 2017, 17:17:31 »

So i was poking around the engine. I noticed that the computer coolant temperature sensor is mounted on the #8 intake runner where the charge temperature switch usually is. (note my vehicle does NOT have the charge temp switch) i just found it odd that it
is a coolant sensor is not mounted where coolant is. The FSM says it should be mounted on the front left of the intake manifold.

I was going to move it but there are plugs on the intake manifold with a square drive too small for 3/8 drive and too big for 1/4 inch drive anyone know what driver I would need to remove these plugs so i can move the sensor?

The FSM says to test the sensor hook an ohmmeter to the two terminals at normal operating temp and it should be above 1300 OHMS. My sensor reads well below that. I have a new one being deliver tomorrow since it was cheap. But i still think it should be mounted on the front left of the engine.
« Last Edit: May 25, 2017, 17:21:32 by DTSNEO6 »
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Ex NHP 1984 Plymouth Gran Fury. WIP...
1987 Plymouth Gran Fury civvie.
1986 Dodge Diplomat

DTSNEO6

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Re: DTSNEO6's 84 Gran Fury AHB
« Reply #151 on: May 27, 2017, 11:04:20 »

Upon further research on the 5.2 with a 4bbl and some trucks the coolant sensor is in the place of the CTS on the #8 runner. So all is normal. The other manual i read also said that the sensor does not need to read more than 1300 OHMS. so i'm still checking it.


On another note i note there was water poring from under the HVAC system. noticed the drain was clogged. and with 87% humidity that was a problem so i removed the drain angle on engine compartment and thoroughly cleaned it. should alleviate the issue.


After much tinkering she doesn't idle perfect in gear but more than manageable. So i happy for the moment.
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Ex NHP 1984 Plymouth Gran Fury. WIP...
1987 Plymouth Gran Fury civvie.
1986 Dodge Diplomat

DTSNEO6

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Re: DTSNEO6's 84 Gran Fury AHB
« Reply #152 on: July 10, 2017, 10:13:57 »

Recently, there has been some talk about the Walker 40430 pipes. I am adamant on keeping the lean burn and all that came with the car, including the air pump

I was curious if switching out the pre-cat assembly with the 40430 pipes, or having a shop fabricate something similar would there be much of an increase and power and would it cause undue stress on the downstream catalytic converter?
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Ex NHP 1984 Plymouth Gran Fury. WIP...
1987 Plymouth Gran Fury civvie.
1986 Dodge Diplomat

Mike

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Re: DTSNEO6's 84 Gran Fury AHB
« Reply #153 on: July 10, 2017, 17:15:29 »

The coolant sensor at the back is for the computer. THe one for the gauge is pretty much alwyas at the very front of the intake under the AC compressor area. It has a black angled plug with a single wire coming off it, I think usually pink.

Unless the cats are clogged removing them makes no real difference in power. A good exhaust shop should be able to make the pipe but if you are going the buy it yourself route you might aswell get it while you can.
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