|
700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
Information |
|
What is this part called?Views : 315 Replies : 7Users Viewing This Thread : |
|
Thread Tools | Display Modes |
Feb 5th, 2024, 15:34 | #1 |
Master Member
Last Online: May 13th, 2024 00:33
Join Date: Jul 2021
Location: United Banana Republic of Portugal
|
What is this part called?
EDIT: I found the name. "Throttle link rod" I just don't know how to adjust it and I'm affraid of breaking it.
I think this "Throttle link rod" is adjusted too short and that's why the idle is too high. No matter how much i unscrew the little adjustment screw the idle does not drop from 1000. The sensor is clicking and is well adjusted.
__________________
Proud owner of a 1997 940 2.3 lpt Manual with 501,000km. Last edited by SalvadorP; Feb 5th, 2024 at 15:37. |
Feb 5th, 2024, 15:40 | #2 |
Go redblock or go home
Last Online: Yesterday 22:10
Join Date: Feb 2012
Location: UK
|
I call it the throttle linkage rod, you slacken the little 8mm nuts off and then turn the metal bit in the middle with the flats one way to lengthen it and one way to shorten it. Be careful not to overtighten the nuts as the plastic will be brittle and can easily crack, make sure you are using a guide on how to do a basic idle setting as you don't want to just mess around with it blind.
It's worth pooping the ball sockets off and putting a small bit of grease in them. |
The Following User Says Thank You to 360beast For This Useful Post: |
Feb 5th, 2024, 15:59 | #3 | |
Master Member
Last Online: May 13th, 2024 00:33
Join Date: Jul 2021
Location: United Banana Republic of Portugal
|
Quote:
The proess you describe is after releasing the ball sockets right? And that is my issue. It looks like you just pop them with a screwdriver and the ball soket will release right? I just don't want to assume and brake them. Btw, do you agree with my deduction that that is the reason the idle is high? I mean, the throttle lever isn't even touching the adjustment screw and the idle is steady at 1000.
__________________
Proud owner of a 1997 940 2.3 lpt Manual with 501,000km. |
|
Feb 5th, 2024, 16:03 | #4 |
Master Member
Last Online: May 13th, 2024 00:33
Join Date: Jul 2021
Location: United Banana Republic of Portugal
|
you pop these and they open up?
__________________
Proud owner of a 1997 940 2.3 lpt Manual with 501,000km. |
Feb 5th, 2024, 17:04 | #5 |
Master Member
Last Online: May 13th, 2024 00:33
Join Date: Jul 2021
Location: United Banana Republic of Portugal
|
Either I'm missing something in my understanding of this system, or my car has some part that is not mounted/set-up correctly.
I untied the linkage rod and the adjustment screw and the idle did not drop one bit. The throttle lever just remains in the same position, just doesn't drop/close any further. What does this mean? I don't know if this means anything, but with the car runing, i pinched the inlet hose that goes to the IAC and the idle dropped (don't know how much because I was doing this alone) but the car didn't stall.
__________________
Proud owner of a 1997 940 2.3 lpt Manual with 501,000km. |
Feb 5th, 2024, 18:03 | #6 |
Premier Member
Last Online: Yesterday 23:16
Join Date: Jul 2012
Location: Lenzie
|
Idle is adjusted with the TPS did you check that was ok ?
__________________
V70 D5 SE Geartronic 215bhp Saville Grey 2012MY 940 LPT Manual 1996 740 SE 1990 |
The Following User Says Thank You to griston64 For This Useful Post: |
Feb 5th, 2024, 18:25 | #7 |
VOC Member
Last Online: Today 02:12
Join Date: Feb 2008
Location: Gloucester
|
Yes. You pop the clip on top of the ball sockets up and you can then click the linkage off. They still attach quite firmly even if the clip is broken, so best do this when they are warm to try to minimise the risk of breakage.
If you do break either of the plastic parts then they are still available. They are different and sold individually without the metal threaded rod, which is sold separately. Right-hand thread (top) 946703 Left-hand thread (bottom) 946704 You adjust the linkage per the attached. It will adjust in situ because of the opposing threads, but you need to undo the lock nuts which are also left- and right-threaded. You do not use this linkage to adjust idle. However, you do want to ensure that it is properly adjusted before checking idle. The steps to set idle are covered succinctly in this thread on Turbobricks, alas without pictures. https://turbobricks.com/index.php?th...1/post-2921952 However, before embarking on this bear in mind that none of these settings generally go out unless someone has previously messed with them to try and mask another problem. Erratic or high idle is not going to be due to a sudden conspiracy in these components! |
Feb 5th, 2024, 22:40 | #8 | |
Master Member
Last Online: May 13th, 2024 00:33
Join Date: Jul 2021
Location: United Banana Republic of Portugal
|
You mean the position of the sensor influences how high/low the idle is?
I had messed with the TPS recently and the car was idling bad and very high. I think it was when I tighten the bolts the sensor probably moved slightly and maybe it wasn't clicking. Now it's idling very steady. Although slightly high at 900rpm give or take, but seamingly better than it was before I tried adjusting it the first time. Quote:
There is still soething about this system I'm not understanding fully. Grinston said above that the idle speed is adjusted on the TBS. Does that mean depending on the rotation of the sensor the idle will be high or low? This is probably a very stupid question Does it mean that if I keep rotating the sensor counter clokwise after it clicks the idle will be lower? I screwed it it place right after it clicked.
__________________
Proud owner of a 1997 940 2.3 lpt Manual with 501,000km. |
|
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests) | |
|
|