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by darrylrobert
Thu Feb 18, 2021 8:48 pm
Forum: V70, S60, V70-XC and XC-70 Cross Country 2001-2007
Topic: Vibrations on idle
Replies: 15
Views: 370

Re: Vibrations on idle

Most common cause of vibration after the top torque mount is the front engine mount, the non-hydraulic one under the crank pulley. Access from the wheel well. My top engine mount is very loose, i can hear the rubber clunk when coasting however at idle i can put a glass of water on the engine and ge...
by darrylrobert
Thu Feb 18, 2021 8:41 pm
Forum: V70, S60, V70-XC and XC-70 Cross Country 2001-2007
Topic: Vibrations on idle
Replies: 15
Views: 370

Re: Vibrations on idle

change all the coils with new bosch ones, same as volvo but not in the blue box. check the VVT solenoid, these are both common failures.

Google "volvo vvt solenoid symptoms"
by darrylrobert
Thu Feb 18, 2021 8:35 pm
Forum: V70, S60, V70-XC and XC-70 Cross Country 2001-2007
Topic: Combustion cylinder Before and after pics
Replies: 20
Views: 662

Re: Combustion cylinder Before and after pics

its quite risky because the engine might hydraulically lock. Emailed a few mechanics that work on volvos over 20years old that have been driven by old lady's consider removal of the head the only real fix.
by darrylrobert
Thu Feb 18, 2021 5:17 am
Forum: V70, S60, V70-XC and XC-70 Cross Country 2001-2007
Topic: Head unit upgrade
Replies: 11
Views: 545

Re: Head unit upgrade

you know for that gap between the genuine volvo aftermarket radio panel and the ccm you need to file some tabs down.
by darrylrobert
Thu Feb 18, 2021 5:09 am
Forum: V70, S60, V70-XC and XC-70 Cross Country 2001-2007
Topic: Combustion cylinder Before and after pics
Replies: 20
Views: 662

Re: Seafoam Before and after pics

Here is the before and after pic of cyl 5. I used a product called Threebond my seafoam is yet to arrive and the local parts store said this is what all the mechanics here use. Its also called subaru upper engine cleaner. After just one treatment i can see the piston ring i couldnt see before but th...
by darrylrobert
Mon Feb 15, 2021 2:03 am
Forum: V70, S60, V70-XC and XC-70 Cross Country 2001-2007
Topic: Combustion cylinder Before and after pics
Replies: 20
Views: 662

Re: Seafoam Before and after pics

So for those that dont know as i didnt, the carbon build up has a tendency to get hot and ignite the fuel mix before the spark plug causing a engine shockwave or pinging. I cant hear anything like that but read it could be happening..it also reduces the size of the chamber.
by darrylrobert
Mon Feb 15, 2021 1:54 am
Forum: V70, S60, V70-XC and XC-70 Cross Country 2001-2007
Topic: Combustion cylinder Before and after pics
Replies: 20
Views: 662

Combustion cylinder Before and after pics

Had a very good conversation with a new indie volvo shop as my usual shop seems to have closed down. Anyway we discussed my knock sensor problem and he said it could be the timing (it is adjustable on both inlet and outlet cams) or try cleaning the MAF sensor (ihave done this recently, but i might t...
by darrylrobert
Sun Feb 14, 2021 10:09 pm
Forum: V70, S60, V70-XC and XC-70 Cross Country 2001-2007
Topic: persistent knock sensor code-kind of fixed?
Replies: 28
Views: 741

Re: persistent knock sensor code-kind of fixed?

seeing some forums people talking about carbon build gradually started pinging on high octane fuel, so i havent pulled the spark plugs yet but i think/hope that is the problem. Ive ordered 2 bottles and a spray bottle of seafoam, some of the 24hr seafoam before/after videos dont look that impressive...
by darrylrobert
Sun Feb 14, 2021 6:57 am
Forum: V70, S60, V70-XC and XC-70 Cross Country 2001-2007
Topic: persistent knock sensor code-kind of fixed?
Replies: 28
Views: 741

Re: persistent knock sensor code-kind of fixed?

ok thanks, what about the mass air flow number?

hows this for weird..i placed the rear sensor back to its normal position 3 with copper washers and i got the "knock code" moved it back to position 2 and no "knock code"??

rear knock sensor location change
rear knock sensor location change
volvo knock sensor locations a.jpg (202.08 KiB) Viewed 134 times
by darrylrobert
Sun Feb 14, 2021 6:03 am
Forum: V70, S60, V70-XC and XC-70 Cross Country 2001-2007
Topic: persistent knock sensor code-kind of fixed?
Replies: 28
Views: 741

Re: persistent knock sensor code-kind of fixed?

Do these numbers look okay? is a STFT 0.78% mean its leaning out?
rear knock sensor code
rear knock sensor code
rear knock sensor 12feb2021.jpg (139.56 KiB) Viewed 136 times