TRNW-2: 2018 Cross trek TR580

[Fred Whitaker]

  I have always used an aftermarket solenoid. I have been getting Dormans 0ff of Amazon for under 50 dollars and keep them on the shelf. Haven't had one come back yet.  Lock up and Transfer are the same.
 You do have to be careful tightening the ground wire. The eyelet will spin and break when tightening. I put a washer over the eyelet,which helps but you still have to be careful.
  First I have heard about the  valve bore wear.  I have one here now the rear wheels wont hold under load that I was planning on putting transfer clutches in without pulling the tranny out. I might be getting another education!
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From: trnw2-bounces at trnw.net <trnw2-bounces at trnw.net> on behalf of tranphys--- via trnw2 <trnw2 at trnw.net>
Sent: Thursday, January 23, 2025 3:37 PM
To: 'Brett Karulak' <brettsb16a2 at gmail.com>; 'Technical Discussion Forum' <trnw2 at trnw.net>
Subject: Re: TRNW-2: 2018 Cross trek TR580


Hi Brett,

Shops down here are replacing the valve body and internal wiring harness together, also the transfer valve bore is known to wear out and a new solenoid won’t fix that.







Reece Callingham

Transmission Physician Rebuilders Network

2 Bullock Creek Road

Meldale Qld 4510

0412 060 906

ABN: 70 838 310 239

tranphys at bigpond.net.au<mailto:tranphys at bigpond.net.au>



From: trnw2-bounces at trnw.net <trnw2-bounces at trnw.net> On Behalf Of Brett Karulak via trnw2
Sent: Friday, 24 January 2025 2:40 AM
To: Technical Discussion Forum <trnw2 at trnw.net>
Subject: TRNW-2: 2018 Crosstrek TR580



Sets code P0971 PCS C Transfer Solenoid Circuit.  Haven't diagnosed it yet but I assume the solenoid is bad.  My question is, are you using an aftermarket solenoid or just replacing the VBody?  In the past, over 6 years ago the last Subies I worked on we always replaced the VB from the dealer but didn't know if any of you have had luck with the aftermarket.  I assume a solenoid is available aftermarket.



Thank You,

Brett Karulak
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