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Messages - rhturbo
16
« on: August 20 2018, 03:07:03 PM »
This is going to sound harsher than it really is, but from what I've read, you might want to get used to the idea of selling the car before it totally pisses you off.
Right now you've got a repair that should be pretty cheap to fix. And this issue doesn't snowball like an engine, fueling, or tune problem. I can't imagine how bad it'll be when one of those problems shows up.
Over the last couple decades, I've seen quite a few people buy this cars, throw money at problems without doing the free checks first, throw more money at it... then throw more money at it (often times the car's worse at this point). Before it's over, the owner is thoroughly pissed off and dumps the car at a much larger loss than needed. And keep in mind when I was seeing this a decade ago the cars were 'only' 20+ years old.
It has crossed my mind. I agree I am starting to get annoyed and quite frustrated. Two different garages with "licenced" mechanics and they cant figure out a vibration in the steering wheel ? Having said that I don't believe this problem has anything to do with the fact this is a Grand National in which case having specific experience with this type of car is not likely to make it easier to diagnose. Either both mechanics who looked at it aren't very good (which is possible) or this problem is tougher to diagnose than most for some reason. This will get resolved eventually and when it does I will be sure to report back on the findings.
17
« on: August 16 2018, 04:57:50 PM »
yes I am finding it is getting quite expensive trying to track done this issue and yes its hard to find anyone who knows these cars. Its pretty tough to do much under the car without a hoist. I know most people make due with a jack and jack stands. I think we can rule out the wheels being the issue as I had them "road force" balanced today and still same problem. It only cost $30 so figured it was worth a shot. I have someone who is going to help me look at all the other things everyone has suggested but he wont be available until beginning of sept.
18
« on: August 10 2018, 09:15:47 AM »
Drive shaft has not been rebalanced. I hope to get it in for a better inspection of the front end in another week or so.
19
« on: August 02 2018, 05:58:57 PM »
They say they have looked at everything.The y showed me the car on the hoist. Everything seems to be greased up nicely. I agree it does seem like it has to be related to something worn for it to shake that much. Will be a couple of weeks until I can report back again
20
« on: July 27 2018, 02:53:08 PM »
So assuming everything that's been checked multiple times so far is not the problem (Ball joints, Control arms, tie rods, wheel bearings, shocks, springs) I am down to drive shaft or tires ?
21
« on: July 27 2018, 12:25:54 PM »
I took it back this morning and they are stumped and have given up so I guess I am on my own. They are convinced there is nothing wrong with any of the suspension parts, control arms, ball joints tie rods etc... The only thing left to try is a different drive shaft and two different front tires. I will have to see what I can dig up.
22
« on: July 27 2018, 08:39:36 AM »
Thanks everyone for all the great advice.This is so frustrating. The steering wheel and front end vibration is bad enough that you would think the problem causing it would be very obvious but apparently not. Certainly a methodical approach to diagnosing this makes the most sense. Its just going to take some time.
23
« on: July 26 2018, 07:03:45 PM »
Car is back with same issue. Will have take it back again tomorrow. Drive shaft was removed and checked, u joints were checked, shocks checked, wheels re balanced (again) Given this is my first GN and I have nothing to compare it to how tight are these cars ? Can I expect no steering wheel shake at 50- 60mph ? Below those speeds its fine.
It's a grandma car, you shouldn't feel anything. Lets get back to basics.
First, jack one wheel off the ground where it's BARELY not touching. Then spin the tire. You're looking for a bent rim or a tire that isn't round. If those are out, I don't care how much you spend or how many 'experts' lay hands on them.
Good to know. At least now I know that this isn't normal.
24
« on: July 26 2018, 05:22:34 PM »
Car is back with same issue. Will have take it back again tomorrow. Drive shaft was removed and checked, u joints were checked, shocks checked, wheels re balanced (again) Given this is my first GN and I have nothing to compare it to how tight are these cars ? Can I expect no steering wheel shake at 50- 60mph ? Below those speeds its fine.
25
« on: July 25 2018, 11:13:41 AM »
Gave up on trying to figure this out myself. I dropped the car off at the shop this morning. I will let everyone know the outcome when I hear back.
26
« on: July 23 2018, 04:53:59 PM »
Starting to think that it might possibly be the driveshaft as some have mentioned. So far everything else seems to check o.k
27
« on: July 22 2018, 05:20:09 PM »
I haven't checked the drive shaft. I will check it tonight
28
« on: July 21 2018, 01:38:03 PM »
Thanks everyone, Tires on Front are brand new. Just replaced them to try and solve the issue. I thought about the possibility that the drive shaft was causing the issue but when the problem starts I put it into neutral and coasted and the vibration did not go away until i gt below 60 mph. Stock rims all around . Brakes are stock all around. brake pads were changed last week on front rotors. Hoping the shop can measure run out on rims to see if that's an issue.
29
« on: July 21 2018, 11:54:51 AM »
Thanks for your reply. I have been watching your video. excellent info. Cant say for sure if front shocks are o.k but am assuming that both garages it went to would have checked that ? My back tires are a different size so I don't think I can move them to the front. Hoping the shop i take it to Wednesday can figure this out.
30
« on: July 21 2018, 09:43:10 AM »
Hi everyone,
Just discovered this site yesterday. Some great info here. I am new to the Turbo world and just bought a 1987 GN last week. I am having a couple of issues one of them being when I reach speeds of 100kmh (60mph) I get a bad vibration in the steering wheel and front end seems to be shaking. If I push it past 120kmh (70mph) it gets better and seems to almost disappear but is still somewhat there. If I go below 80kmh all is good.
I don't believe the rotors are warped because when I apply the brakes its very smooth with no vibration plus that would only show up when braking
The car had a safety inspection before I bought it last week and it passed which means they supposedly checked the front end. I took it into a different garage to have it looked at. They examined front end and couldn't find anything wrong. They suggested the wheels needed balancing. Seemed reasonable so I had them do it but problem is still there. They then suggested that I replace the two front tires as possibly one of them had a flat spot or other issue. I replaced both front tires and still same problem. So $500 later I am no further ahead
I am taking it to a different shop next week that specializes in both classic cars and high end cars and hoping they can help. Can you think of what might be causing this ? I was thinking maybe a damaged rim (there is nothing visibly wrong) but if that was the case wouldn't that show up when balancing ?
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