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Chat Area => General Car Chat => Topic started by: terry paget on 29 December 2019, 15:30:13

Title: Slight judder on pulling away in Vectra
Post by: terry paget on 29 December 2019, 15:30:13
2008 Vectra 1.8 manual petrol
As title, judder on pulling away. On earlier cars this was caused by soft or loose engine mountings. I have not known it recently on any other Vauxhall, either FWD or RWD. Any thoughts?
Title: Re: Slight judder on pulling away in Vectra
Post by: Doctor Gollum on 29 December 2019, 15:33:29
Sticky release bearing or faulty clutch hydraulics ;)

What does the brake fluid look like?
Title: Re: Slight judder on pulling away in Vectra
Post by: terry paget on 29 December 2019, 15:53:11
Brake fluid doesn't look too bad, not cloudy. I only bought the car in July, I've not changed it yet. I would not have thought changing the brake fluid would do much for the fluid in the clutch, I have never changed the clutch fluid as a maintenance procedure, I only bleed the clutch after a change of clutch master or slave cylinder.
Title: Re: Slight judder on pulling away in Vectra
Post by: Doctor Gollum on 29 December 2019, 16:36:12
It's the same fluid whether you change it or not ::)

But if it looks pretty reasonable, then it's probably not that. Hydraulics can fail and clutch wear can cause a build up of dust on the splines and release bearing causing stickiness.

Any noise/harshness from the clutch when applied in neutral?
Title: Re: Slight judder on pulling away in Vectra
Post by: terry paget on 29 December 2019, 16:45:17
Come to think of it, I suffered a similar phenomenom on face lift Omegas with electronic throttle. Throttle response was so instantaneous car acceleration would rock me back a bit in my seat lifting my foot off the throttle pedal, so feedback judder. Not felt it on the Astras, though. Thanks Doc, food for thought. Furthermore, the clutch disengages wih the pedal pressed hard on the floor, so might help bleeding the clutch anyway.i
Title: Re: Slight judder on pulling away in Vectra
Post by: Keith ABS on 29 December 2019, 20:52:21
 Could it be the dreaded DMF?
Title: Re: Slight judder on pulling away in Vectra
Post by: STEMO on 29 December 2019, 21:01:31
Or, maybe, it just needs a clutch.
Title: Re: Slight judder on pulling away in Vectra
Post by: henryd on 30 December 2019, 00:02:06
Or, maybe, it just needs a clutch.

Yes,my thoughts too Steve  :y
Title: Re: Slight judder on pulling away in Vectra
Post by: Doctor Gollum on 30 December 2019, 02:42:56
Could it be the dreaded DMF?
On a 1.8 vectrum... That would be unlucky :D
Title: Re: Slight judder on pulling away in Vectra
Post by: terry paget on 30 December 2019, 08:30:02
Just to put it in context - this is not a bad judder, I have known worse. When I bought the car last summer I gave it a road test first and noticed nothing wrong with it. Two of my sons have driven it in the last two months, and they liked it, preferring it to their Astras.The clutch does not slip. It does disengage cleanly, but when only with the pedal fully depressed to the floor, more so than the Astras.

50 years ago I had a Ford Escort with a bad judder, but that turned out to be a soft engine mounting. I appreciate that the clutch splines might get sticky with accumulated dust and this could cause judder.
Title: Re: Slight judder on pulling away in Vectra
Post by: Doctor Gollum on 30 December 2019, 15:07:53
Your supposed to fully depress the clutch...

Not doing so would cause judder and accelerated wear. Which might explain your symptoms  :-X
Title: Re: Slight judder on pulling away in Vectra
Post by: terry paget on 31 December 2019, 17:28:55
Your supposed to fully depress the clutch...

Not doing so would cause judder and accelerated wear. Which might explain your symptoms  :-X
You're right, Doc, Now I suspect the problem is how I sit in the car. My left shoe ( I wear wide metal soled and toe-capped shoes for comfort, old feet, corns, etc.) fouls on the body below the heater in the Vectra, causing incompete clutch depression. This does not occur in the Omega or the Astra.
Title: Re: Slight judder on pulling away in Vectra
Post by: BazaJT on 31 December 2019, 17:48:44
Your trouble is you've got one too many pedals in your cars ;D ;D
Title: Re: Slight judder on pulling away in Vectra
Post by: dave the builder on 31 December 2019, 18:11:28
Your trouble is you've got one too many pedals in your cars ;D ;D
No ,Terry's cars have 3 pedals  :-\
as God intended  ;D
Title: Re: Slight judder on pulling away in Vectra
Post by: BazaJT on 31 December 2019, 21:08:49
Clearly God intended cars to have the proper number of two pedals hence only giving us two feet.Some joker then tried to confuse things by fitting a totally unnecessary third pedal :o ;D ;D
Title: Re: Slight judder on pulling away in Vectra
Post by: dave the builder on 31 December 2019, 21:35:18
Clearly God intended cars to have the proper number of two pedals hence only giving us two feet.Some joker then tried to confuse things by fitting a totally unnecessary third pedal :o ;D ;D
do you use both feet to drive an auto Mr Baza  :-\  ;D
when I drive an auto......
 I use my right foot to accelerate and brake 
I use my left foot to kick the transmission tunnel (to remind the Devil in the auto box to change gear for me)  ;D :D
Title: Re: Slight judder on pulling away in Vectra
Post by: BazaJT on 01 January 2020, 08:15:51
I must admit Dave that I quite often do drive my autos "double footed".Do have to remind myself sometimes in my V70 that using the wobbly stick in the middle of the car stops the engine screaming its nuts off and someone stuck a third pedal in it ::)
Title: Re: Slight judder on pulling away in Vectra
Post by: Nick W on 01 January 2020, 10:24:48
Your trouble is you've got one too many pedals in your cars ;D ;D


that only applies to large cars. Smallish FWD autos are ghastly things, and are intended for the decrepit.


There are two pedals in auto, and you have two feet. As you should never be using the brake and throttle simultaneously, one pedal per foot is the sensible way to drive them
Title: Re: Slight judder on pulling away in Vectra
Post by: dave the builder on 01 January 2020, 12:30:50
if you swap between auto and manual cars ,as I often do ,I find using the right foot for GO and STOP works for me .
dip the clutch in an auto with your left foot results in a face full of windscreen
because that 'clutch pedal' is in fact the brake  :D
Title: Re: Slight judder on pulling away in Vectra
Post by: VXL V6 on 01 January 2020, 16:25:22
I've always driven autos with a foot per pedal and never had a problem. Only thing I notice is that my right foot isn't quite as sensitive as the left for braking
Title: Re: Slight judder on pulling away in Vectra
Post by: Migv6 le Frog Fan on 01 January 2020, 16:55:37
I also use one pedal per foot in an auto. Works for mew, although swmbo thinks its "dangerous and the wrong way to drive".
Title: Re: Slight judder on pulling away in Vectra
Post by: dave the builder on 01 January 2020, 17:26:25
I also use one pedal per foot in an auto. Works for mew, although swmbo thinks its "dangerous and the wrong way to drive".
so I drive like a girl then  :-[   ;D
Title: Re: Slight judder on pulling away in Vectra
Post by: Keith ABS on 01 January 2020, 17:29:28
 I passed my advanced driving test using both feet with an auto
Title: Re: Slight judder on pulling away in Vectra
Post by: dave the builder on 01 January 2020, 17:34:32
OK,it's official
I'm a weirdo using just one foot  ;D
Title: Re: Slight judder on pulling away in Vectra
Post by: aaronjb on 02 January 2020, 09:49:14
OK,it's official
I'm a weirdo using just one foot  ;D

Don't worry, in the real world you're probably in the majority ..  :y ;D
Title: Re: Slight judder on pulling away in Vectra
Post by: STEMO on 02 January 2020, 11:29:25
OK,it's official
I'm a weirdo using just one foot  ;D
I drive the proper way too, Dave.
Title: Re: Slight judder on pulling away in Vectra
Post by: Doctor Gollum on 02 January 2020, 15:21:54
OK,it's official
I'm a weirdo using just one foot  ;D
I drive the proper way too, Dave.
So do I...

With a clutch :P