Hiya! Help haha! 2002 Safari Trek 2430

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pkitty's TEC

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Nov 23, 2022
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New Mexico
My heater is making a whirring noise that seems to happen when it is just getting started (ie it's cold) it's about 19 degrees where I am and have been looking for the fan to see if they/it needs replacing. Any suggestions about location? I looked in the outside panel as well.
Annd since I'm here, the lighter casings/power points (where I have plugged in my phone for charging) don't have a current going to either of them. Seems an impossibility to remove and replace them as they're so jammed up against the innards of the dash.
 

Isaac-1

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Dec 3, 2016
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SW Louisiana
I also have a 2002 Safari Trek, though mine is the 2830 floor plan, originally your coach would have came equipped with a Suburban SF42F furnace, being a 2430 it should be mounted below the refrigerator the same as my 2830. This furnace feeds the floor ducts out the bottom of the unit, and I think there are some screws holding it in place to the floor that must be removed, along with disconnecting the gas line, and the screws on the outdoor exhaust plate in order to slide it forward to access the fan motor (I have never needed to remove mine). I think there are detailed directions on removing the furnace in the files archive at the Trek Tracks web site (Safari Trek owners group). (the access cover just pops off and has retaining clips, just pull out)

Ike

p.s. if you are talking about the dash heater blower it is on the passenger side floorboard area, and this is a semi-direct replacement (you just have to transplant your old blower wheel as it is different length, but motor shaft matches) https://smile.amazon.com/gp/product/B000IZ3IE2/
 
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Kirk

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Oct 30, 2005
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Full-time , Escapee
My heater is making a whirring noise
The blower in an RV furnace is noisy so I'm wondering if this is a noise that didn't used to happen in the past, or might you be new to using it and the sound is normal? Replacing the motor in an RV furnace is not an easy job and particularly so if you have the furnace that Isaac believes that you have.
 

pkitty's TEC

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Joined
Nov 23, 2022
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New Mexico
Ahhh thank you to you both! I was speaking about the furnace. I have only had my rig for a little over a month and was in fairly moderate weather before, I did run the heater but am doing so more often now. Seems that once it is warmed up the high pitched rattle whirring sound stops.

Any knowledge/help on the lighter casings/power points (where I have plugged in my phone for charging) don't have a current going to either of them? Seems an impossibility to remove and replace them as they're so jammed up against the innards of the dash.
 

TheBar

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Jun 25, 2018
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Location
MS
Sounds like the bearings in the blower motor are worn. The slack is taken up when it warms up. The bearings are oil-less but I've kept a fan motor running every day for 30 years by putting a thick oil like STP around the bearings every few years.
 

Gary RV_Wizard

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Feb 2, 2005
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Location
West Palm Beach, FL
First step is to verify that the furnace is a Suburban SF42F (as Isaac-1 deduced). Assuming it is, get the documentation for it at Suburban SF-42F – PDX RV

You may have to physically pull the furnace out to get at the motor and fans. There are two fans on a single shaft/motor. One fan for combustion air/exhaust and the other circulates heated air through the ducts.
 

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