850 140k Major Maintenance Tutorial
A detailed description of changing the timing belt, tensioner, rollers, and the water pump replacement DIY tutorial — with pictures:
I bought my “Platinum” Volvo 850 showing 136k on the broken odometer with the last timing belt at 68k so I just went to the nearest parts store and bought a “stay alive” belt and changed it out. Lately the car has made a horrible groan, the colder it is the more it groans for the first 2 or 3 minutes after I started it. I yanked the serpentine belt off and the groan persisted so I was certain that the problem was with a bearing in the timing system.
My rule of thumb is that I should change the entire timing belt system and the water pump on every other timing belt change (140k, 280k – if I ever get there 420k).
Today was the first major service for the Platinum at 149k miles (after my “stay alive” belt change).
The way I went about mine was as follows:
1: Block the rear wheels and set the parking brake…
See other DIY repair tutorials like this one, and a million other things in the Volvo Forum.
Volvo Repair Details
13 Apr 2009Posted in Belts, Hoses, Vacuum Lines Engine, Engine Internals, Turbo, Wastegate, Oil Pump, Air Delivery, Airbox, Air Filter, Camshaft, Valves, Head, Pistons Timing Belt Volvo 850
Tags: 140k maintenance, 850, rollers, Tensioner, Tutorial, Volvo Tutorial, water pump
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