Search found 21 matches

by Interrupt
Thu Feb 24, 2022 8:27 pm
Forum: Diagnostic discussion
Topic: Diesel In cylinder pressure HELP
Replies: 6
Views: 7198

Re: Diesel In cylinder pressure HELP

I've never done diesel in-cylinder(so this is question, in the interest of learning. Hope this isn't considered jacking this thread/Post). I would imagine that the wave form looks completely different because of the lack of vacuum? I take it, it has EGR? if so It should have a throttle plate if this...
by Interrupt
Fri Feb 11, 2022 3:59 am
Forum: PicoDiagnostics NVH
Topic: Vibration not associated with fundamental orders T,P or E
Replies: 13
Views: 15976

Re: Vibration not associated with fundamental orders T,P or E

So this noise has become a knock, Wife has parked up the car and moved me into the dog house :roll: I'm determined not to get intrusive until I'm 100% sure of the cause....via NVH equipment, you would think with a knock this loud it would be easy.... but alas it is NOT! I had my mate around to give ...
by Interrupt
Mon Feb 07, 2022 11:40 pm
Forum: PicoDiagnostics NVH
Topic: Vibration not associated with fundamental orders T,P or E
Replies: 13
Views: 15976

Re: Vibration not associated with fundamental orders T,P or E

Thanks Steve, I'm away at the moment I'll be back Thursday. I'll try get this done Thursday or Friday
by Interrupt
Wed Feb 02, 2022 1:47 am
Forum: PicoDiagnostics NVH
Topic: Vibration not associated with fundamental orders T,P or E
Replies: 13
Views: 15976

Re: Vibration not associated with fundamental orders T,P or E

Hello, sorry it has taken me so long to respond.(life has been getting in the way) I have run-out on the front tyres of 2mm see attached. I've never measured tyre run-out before I was quiet surprised at the results! (internet search says this is acceptable?? spec says max allowable 0.125 of inch. 0....
by Interrupt
Fri Jan 21, 2022 8:26 am
Forum: PicoDiagnostics NVH
Topic: Vibration not associated with fundamental orders T,P or E
Replies: 13
Views: 15976

Re: Vibration not associated with fundamental orders T,P or E

Hello Steve thanks for your reply First I’m away at work and will only be able to complete the testing you require at earliest Thursday next. I’m going to try answer your questions and Have a few I’d like to ask you if you don’t mind? 1. Yes, definitely correct orientation. 2. My ears tell me it’s n...
by Interrupt
Thu Jan 20, 2022 9:01 am
Forum: PicoDiagnostics NVH
Topic: Vibration not associated with fundamental orders T,P or E
Replies: 13
Views: 15976

Re: Vibration not associated with fundamental orders T,P or E

Hi Kev On the bolts that secures the subframe to the chassis(each side see attached pic) which I would says sits about in line with each inner seat runner rail and approximately 15 cm in front on on each front seat. I should of said Rear mounting bolts of front subframe. It is a heavy mass and I don...
by Interrupt
Thu Jan 20, 2022 12:47 am
Forum: PicoDiagnostics NVH
Topic: Vibration not associated with fundamental orders T,P or E
Replies: 13
Views: 15976

Re: Vibration not associated with fundamental orders T,P or E

Hi Kev Thanks for your reply, 2012 AWD diesel 2.0l vin KNAPC. Auto Trans with Gear ratio as per advanced settings page, can't find a rear differential ratio but I assume same as front. Per checks zero physical measurements, I was hoping for direction from NVH equipment! I did replace all oils(Trans/...
by Interrupt
Wed Jan 19, 2022 1:58 am
Forum: PicoDiagnostics NVH
Topic: Vibration not associated with fundamental orders T,P or E
Replies: 13
Views: 15976

Vibration not associated with fundamental orders T,P or E

Hi All, needs some help please, my wife's car has a noise/vibration that sounds like a wheel bearing(L/H Front) to me and you can feel it at your feet(both side front foot wells). It is more pronounced on "desal", although I think it's there constantly but just not as noticeable. The NVH gear steere...
by Interrupt
Sun Nov 21, 2021 7:46 am
Forum: Heavy Duty and Off Highway
Topic: Fault Tolerant CAN (J1939)
Replies: 5
Views: 6536

Re: Fault Tolerant CAN (J1939)

as requested liviu2004
by Interrupt
Sat Nov 20, 2021 11:21 pm
Forum: Heavy Duty and Off Highway
Topic: Fault Tolerant CAN (J1939)
Replies: 5
Views: 6536

Fault Tolerant CAN (J1939)

Recently I captured some BUS activity of a Cummins QSX15 (KOEO), the point of the exercise was basically CAN sniffing as I'm playing with a project to make myself I very basic scan tool for J1939(so during inspections I can hook up a hand held device to check for codes instead of getting out and set...