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Author GAZ Coilover Issues
Mark.W
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Registered: 3rd Jan 07
Location: County Durham
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31st May 15 at 22:12   View User's Profile U2U Member Reply With Quote

Recently fitted some GAZ GHA coilovers to my B but having a few problems.

First one is the order the top mount assembly as people are telling me i should be using the bearing out of the top mount cup from my old suspension but im finding that when tring to do up the top nylon lock nut it doesn't come through far enough to lock it safety so have had to leave it off for now.

And the rear coilovers the springs seem creaky so have had to turn the dampening up to reduce it.

Has anyone had of these problems?


How its currently fitted on the fronts.



How it looked when trying to fit the top mount with the bearing.

craig55
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Registered: 12th Jun 10
Location: Bristol
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31st May 15 at 22:25   View User's Profile U2U Member Reply With Quote

Top cone isn't needed
Mark.W
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Registered: 3rd Jan 07
Location: County Durham
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17th Jul 15 at 15:12   View User's Profile U2U Member Reply With Quote

Got round to removing the alloy bit in the middle and fitted the bearing like advised and all looked well until the car was lowered back to the ground and now this silver cup has a lot of play and knock when pressing the front of the car down still not right.


Jed D
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Registered: 15th Mar 11
Location: Durham
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17th Jul 15 at 18:11   View User's Profile U2U Member Reply With Quote

is that moving with the car on the ground too?
Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
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17th Jul 15 at 19:05   View User's Profile U2U Member Reply With Quote

The squeaking noise in the rears can sometimes be from rubbing - have you checked? You are supposed to cut / smash back the arch for fitting the rears.

They are known to be very creaky though - they aren't designed for anything but track use.

Careful you dont end up with this




[Edited on 17-07-2015 by Richie]
Mark.W
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Registered: 3rd Jan 07
Location: County Durham
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17th Jul 15 at 20:19   View User's Profile U2U Member Reply With Quote

Aye Jed loads of play when pressing down on the front of the car.

Cheers Richie i don't have GAZ rear coilovers on now,i ended up stripping them down and converted them to a spring and shock set up.

Looks like il be going back to a fixed height set up on the front at this rate.
Mark.W
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Registered: 3rd Jan 07
Location: County Durham
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17th Jul 15 at 20:19   View User's Profile U2U Member Reply With Quote

This the order i have it in and you can see inside the cup on the top where the thread ends so wont be able to tighten it securely.







Jed D
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Registered: 15th Mar 11
Location: Durham
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19th Jul 15 at 13:50   View User's Profile U2U Member Reply With Quote

try that thing i said, use a standard oem bearing (just the bearing bit) place it on the lip of the inner gaz damper upside-down, it doesnt as such act as a bearing, more so a spacer, and it fits perfect and flush... the rest was straight forward for me but thats the comp brake tm's
Jed D
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Location: Durham
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19th Jul 15 at 13:52   View User's Profile U2U Member Reply With Quote

or if your willing to get some tm's, get onto Klint Turner (via fb) he's mr compbrake himself
Mark.W
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Location: County Durham
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19th Jul 15 at 14:17   View User's Profile U2U Member Reply With Quote

Tried that Jed,to be able to use the bearings i need to use 2 on each coilover so one acts a spacer but surely shouldn't have to do this as then the rubber damper part of the mount is miles away from the top part of the cone so it wouldn't be doing its job.

Really don't want to go down the solid top mount route as they would be way too harsh for normal road use.
Mark.W
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Registered: 3rd Jan 07
Location: County Durham
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19th Jul 15 at 14:24   View User's Profile U2U Member Reply With Quote

Iv even thought that could this cone be the wrong one because ideally i could do with being 1 or 2 cm taller.



[Edited on 19-07-2015 by Mark.W]
Richie
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Location: Newport, Wales
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19th Jul 15 at 15:50   View User's Profile U2U Member Reply With Quote

Might be worth contacting GAZ direct- they have been pretty sound in the past.

Is the part number on your coilovers GHA310 F?
Mark.W
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Registered: 3rd Jan 07
Location: County Durham
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19th Jul 15 at 16:40   View User's Profile U2U Member Reply With Quote

I have emailed GAZ and Corby Motorsport yesterday so hopefully have something back from them tomorrow.

Not sure what the part number is on them Richie.
Mark.W
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Registered: 3rd Jan 07
Location: County Durham
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19th Jul 15 at 23:02   View User's Profile U2U Member Reply With Quote

Came across this picture on google,is this right?

Everyone seems to fit them differently.



[Edited on 19-07-2015 by Mark.W]
Mark.W
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Registered: 3rd Jan 07
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19th Jul 15 at 23:25   View User's Profile U2U Member Reply With Quote




Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
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20th Jul 15 at 00:01   View User's Profile U2U Member Reply With Quote

That's what I'd expect to see, that's how I remember the struts for corsa's looking. I personally havent worked on one in such a long time.

It's because you aren't using the top mount bearings / ali cone. I can see you've said they wont fit with them on but you need to establish why that is - they are 100% needed.

Same setup on the corsa C's - same kind of question - http://www.corsa-c.co.uk/forum/archive/index.php/t-277466.html

I remember doing my brothers hydraulic suspension and we fitted the rams without those top strut bearings - lots of knocking and the strut sheared through into the bonnet

If we look at what a normal Corsa suspension strut looks like off the car - you can see how much of the top thread is exposed as opposed to yours.

The top mount bearings would certainly close that gap - you shouldn't have so much sticking out.

Blowapart of an original strut






[Edited on 20-07-2015 by Richie]
Mark.W
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Registered: 3rd Jan 07
Location: County Durham
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20th Jul 15 at 08:37   View User's Profile U2U Member Reply With Quote

When i first fitted them i mounted it exactly the same way as a normal damper whether i used the bearing with or without the cup but as you can see there is not enough thread showing through to tighten it securely.








Mark.W
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Registered: 3rd Jan 07
Location: County Durham
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20th Jul 15 at 08:43   View User's Profile U2U Member Reply With Quote

Just had this back from GAZ but doesn't really help me much.


Mark,

           The top rod detail is the same as the standard car so you fit the black top collet on the spring then the spacer washer, then the bearing & then the original top mount basically everything apart from the original spring.




I even built up it back up on the original damper and had plenty of thread on that then transferred all the top over to the coilovers then tried to tighten the nut and only goes as far as in the picture above


[Edited on 20-07-2015 by Mark.W]
Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
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20th Jul 15 at 16:34   View User's Profile U2U Member Reply With Quote

What I will say is the top of your coilovers looks different from the rest - have you got helper springs? Wonder if they are interfering
Mark.W
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Registered: 3rd Jan 07
Location: County Durham
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20th Jul 15 at 22:51   View User's Profile U2U Member Reply With Quote

GAZ have also said.

The bearing should be counter bored to sit onto the piston rod so remove the gold spacer washer & make sure the counter bored part fits over the turned part of the piston rod.

We have checked the drawing & all of the other piston rods we have here & the rod detail has never changed from when we first started making this kit, they are on one of our employees cars as well


I do have helper springs in but they are not interfering wuth the mounts.
Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
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23rd Jul 15 at 21:02   View User's Profile U2U Member Reply With Quote

I'm at a bit of a loss then mate hopefully you manage to get it sorted

 
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