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by MattaClark
02 May 2024, 15:47
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DIY Rear Brake Dust Shield Gasket for FWD p80 v70, S70, 850, etc (PN# 3546275)

During a long (and ultimately doomed) restoration of a 1998 v70 GLT (story for another time, or never) I did a complete rear end rebuild and found myself searching in vain for replacement rear brake dust shield gaskets, so I thought I would post my DIY cut files here to make someone else's life easi...
by MattaClark
07 May 2024, 23:15
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Re: DIY Rear Brake Dust Shield Gasket for FWD p80 v70, S70, 850, etc (PN# 3546275)

Never worked on the back end more than replacing brake pads. Based on the effort required to get to these is it worth it to pull the shields and gasket from a salvage yard? Getting the rear dust shields off requires removing the wheel bearing... so you're looking at pulling the wheel-> caliper -> r...
by MattaClark
01 Jul 2024, 12:06
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Re: 2005 XC90 2.9 ltr awd tr6 high ECM-6140 EXHAUST CAM CONTROL -SLOW

Same code, similar issue for my 2007 xc70. Slightly rough idle and ECM-6140 after doing a timing and PCV job. Spent hours triple checking timing (and confirmed via cam adaption angle in vida), replaced both VVT Solenoids, only to discover an old cracked and corroded pigtail by the connector. IMG_101...
by MattaClark
06 Jul 2024, 17:55
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Re: Terminology help, cam shaft angles

Ah nevermind! Discovered the glossary. Reset valve camshaft, intake / exhaust (CA) Measurement range: 0-100% The pulse ratio transmitted by the engine control module (ECM) to control the camshaft reset valve. The value indicates control of the camshaft reset valve to control the camshaft position (a...
by MattaClark
03 Dec 2024, 16:45
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Injector Failure, a rare and horrific tale of woe

My 257k 2007 xc70 suffered a uniquely stupid form of engine failure last week. TL;DR injector failure caused misfires, a smoking tailpipe, a flooded cylinder, and compression failure in three cylinders. Backstory Fuel economy suddenly dropping in the last month (down to sub 14mpg in city driving fro...