RaynormusT wrote: ↑23 Sep 2025, 12:51 Why does it seem so difficult to find wiring diagrams for this model year? I see 2003 and 2005 but 2004 seems to be left out. Can another model year be used?

does 04 v70 work for you ?

https://charm.li/Volvo/2004/V70%20L5-2. ... Diagnosis/

thats my oil change code, occasionally I toss a filter in too. Code goes away after that.

remove the starter, don't cut the wire. Its not difficult.

Junkyard or salvage yard for the bolt.
or remove a second bolt and use it as a reference buy another, volvo dealership or hardware store.

Thank you! The Amazon order arrived - Two-Way Articulating Borescope with Light. The car is sitting on curbside since the original post date -- 10 days or so -- can it be started and moved into our garage for diagnostic and... . I would move it before tearing into anything, don't wait for it to war...

start the engine and run the A/C , fan should run. If you have vida you can turn it on too. Before condeming it , check voltage at the plug, it should have 12v constant and a few volts on the violet wire for ECM switching. Were you driving or sitting idling when it over heated, I drove mine without ...

I sprayed the plug with liquid wrench and grabbed it with 10 inch channel lock pliers. Mine has red and black 12v constant feed , the smaller wire is the signal, don't put high voltage into the signal wire or the ecm will be toast. Signal wire to engine ground is under 5v, but mine showed zero v, I ...

i have an ELM327 which shows calculated fuel amount, pairs to your smartphone and downloads torque software.
i leave mine plugged in 24/7.

eesch, thats nothing, oil on the turbo is typical, almost normal. The book charge is $700 for labor to replace the turbo. A new Mitsubishi turbo costs $1369 for the complete kit, are they seriously charging $4K for labor? https://www.fcpeuro.com/products/volvo-turbocharger-replacement-kit-mitsubishi...

Looks like I don't have to make it myself - this is exactly what I was envisioning. https://www.autozone.com/emission-control-and-exhaust/exhaust-pipe-adapter-connector/p/surebilt-2-1-4in-to-2-1-2in-laminated-split-flange/110783_0_0 those split couplers are rather flimsy, I bent several of them bef...

A trip to Harbor Fright for a welder might come sooner rather than later. yikes, don't do it, their mig is way over priced. Buyers like to say "I can always take it back", not so fast, theres a 18% restock fee. Only 90 day warranty, No stick gun, no alum spoolgun. Primeweld 180 is the sam...