Volvo Brick Diagrar Top Jun 2026

Turn the ignition key to Position II (run position, but do not start the engine).

The system will repeat the code. Press the button again to see if there are more codes (it can hold up to 3 at a time).

When looking down into the engine bay of a typical 1985–1993 Volvo 240 or 740 (B230 engine), you are looking at a longitudinally mounted, inline-four engine.

The heart of any brick is its engine—most commonly the B21, B23, or the later low-friction B230 variants. An exploded view diagram is vital for tasks like replacing a timing belt or rebuilding the cylinder head. volvo brick diagrar top

Ensure the distributor cap is dry and the rotor is not worn. Redblock Engine Varieties (1975-1998)

to the European Touring Car Championship. Rival teams laughed at the "moving refrigerator" until it started winning. With a top speed of 260 km/h, the Brick didn't just compete; it dominated, proving that aerodynamics mattered a lot less when you had a turbocharged "Redblock" engine and legendary Swedish reliability under the hood. The "Brick" Under the Hood (Top View)

Turn the key to Position II (On), but do not start the engine . Turn the ignition key to Position II (run

In the Volvo community, this is simply called "the brick." Today, we are providing a detailed of that diagnostic unit, explaining every pin, flash code, and how to use it.

Here is a useful guide to understanding the top-side systems of the Volvo "Brick," focusing on the most critical diagram: the .

Mounted at the front or middle of the intake manifold, connected to the air intake boot. When looking down into the engine bay of

| Term | Meaning | |---|---| | | A nickname for older, boxy Volvo models like the 240, 740, and 940. | | Diag | Short for "diagnostic" — tools used to read error codes from your car's computer. | | Brick-Diag | A specific software tool used for diagnosing older Volvos (1990s to early 2000s). | | Top | Could mean "top view" (like an overhead diagram), "top" as in the best or most important, or "top" related to the engine's top end (the cylinder head). | | Brick (as a part) | In Swedish, "bricka" means "washer" or "shim" — a small metal disc used to adjust valve clearances. |

Fresh air enters the driver’s side corner, flows through the filter box, and passes immediately through the AMM (or MAF sensor), which calculates air volume.

The entire central electrical unit is hidden behind the dashboard ash tray. Removing the cigarette lighter surround and ash tray reveals a massive grid of colored relays and standard blade fuses. Fuel Injection and Ignition Systems

A short vacuum line runs from the front of the intake manifold straight to the nipple on the FPR.