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New Saab 9-5 (2010 on) / Re: 9-5 NG Rescue project
« Last post by carrera on 25 February 2024, 05:15:15 PM »
I have rebuilt the caliper, it's back on the car, and at least for now it seems to be working fine.

I reassembled first with just the seal in place, once the piston was aligned I was able to wind it in and out simply using the hand tool. Then came the fiddly job of getting the dust cover back on and winding the piston back in again, which was, shall we say fiddly....

The underside/chassis is painted where necessay, so she looks quite tidy now, & while I thought I had a broken spring, closer inspection showed that what looked like a fracture was simply the spring rising out of the rubber seat  :thumbsup:

All I need is a subframe now 
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New Saab 9-5 (2010 on) / Re: 9-5 NG Rescue project
« Last post by carrera on 24 February 2024, 05:24:24 PM »
It's normally a drum vs pads dimension, drums, with shoes & springs, & retaining cups that just don't want to get into place.

Well, I had to get quite forceful to get the caliper dismantled. Curved mole grips on the piston & a lump hammer to force some initial movement. It then took quite a bit of persuasion to get to the point that the piston would come out, and even then, with  one of the seals out it really didn't want to wind back in. Anyway, it's disassembled now & the piston does screw smoothly down the adjuster.

One comment though, the pitch difference between the windback tool and the adjuster thread means you have to manually adjust the windback tool position to avoid that locking up.

I just looked at a rebuild kits & it seems I have managed to dismantle carefully
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New Saab 9-5 (2010 on) / Re: 9-5 NG Rescue project
« Last post by sgould on 24 February 2024, 12:34:36 AM »
I hate rear brakes.  They always cause trouble.  Even the "easy" ones on the Morris Minor were not as easy as they should be.
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New Saab 9-5 (2010 on) / Re: 9-5 NG Rescue project
« Last post by carrera on 23 February 2024, 10:28:57 PM »
The specialist hasn't given me a quote, so nothing done on the subframe yet.

Consequently I have turned my attention to the underside so the Bilt Hamber has been out. Though it appeared quite rusty underneath, it cleaned up reasonably easy, so wasn't so bad after all. The bottom of the sills showed some signs of rust which has been treated, as has the heat protector for the fuel tank. That will need some new metal adding at some point.

With the rear wheels off I noticed one of the pads had no friction material left. This seems almost commonplace now, whatever is being used to bond the friction material to the backing plate these days is not as good as it used to be  :thumbdown:

Then I hit a snag. The piston would not wind in, nor will it rotate. I suspect the missing material has allowed the piston to come out of the bore and it is now jammed. So I guess I'll be learning how to remove the electric handbrake cables & taking the caliper off to rebuild it. 
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Why hasn't you "specialist" looked a the amount misfires per cylinder..

Service due message has no connection with dtc's what so ever..

Yeah well I haven't been back to that particlular specialist again as their Saab 'specialism' seems to have gone off in favour of other brands which is a shame as I used to use them in the early days of my opwnership of the 9-3, and also my previous 9-5 years ago (they're in Birmingham, and it isn't Bagnals, which is the one that I do want to try).
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Why hasn't you "specialist" looked a the amount misfires per cylinder..

Service due message has no connection with dtc's what so ever..

Thats my mistake - having been looking at coil packs and seeing the B207 & A20NHT share the same components I was thinking the car was a 9-5 NG, which does operate that way

Good old Tech II should provide the appropriate information to diagnose properly
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Why hasn't you "specialist" looked a the amount misfires per cylinder..

Service due message has no connection with dtc's what so ever..
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The cheper set should be fine.  Saabtech Parts Europe on eBay is run by the guy who was parts manager at Reading Saab, then moved to Saabtech Welwyn, but when that went into liquidation, he set up on his own in Harlow.  I've bought a lot of things from him.  They have been fine, and usually OE quality.

I did wonder if he was reputable, but sounds like he is 👍
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No I don't get any warnings or fault codes. Hence the specialists never finding anything.....
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I have obtained the service history for my 2.0 NG petrol car from the garage the work was done at (over 8k in two years).

In there is a set of coil packs for £86.60 + vat - I believe they are the same part

With your misfire / judder do you get a "Service Due Soon" message ?

That's an indication that a DTC has been generated, but not one bad enough to throw a check engine light, in which case threatening the car with a code reader might be helpful.

VXDiag is proving to be indispensible for my car(s)  ::)
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