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Q7 Typ 4L (2005-2015, diesel) Q5 Type 8R (2008-2017)

Specifications — 3.0L TDI 2nd Generation Diesel Engine (Audi Q7-4L-D)

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  • Specifications — 3.0L TDI 2nd Generation Diesel Engine
            0

2nd generation 3.0 l TDI engines



DesignationsCGJA, CGJC, CJMA, CLZB, CRCA
Maximum power, kW (hP, approximately):
CJGA
176 (236) at 4000-4500 rpm
CJGC150 (204) at 4000-4500 rpm
CJMA150 (204) at 4000-4250 rpm
CLZB. CRCA180 (245) at 4000-4500 rpm
Maximum torque, Nm:
CJGA
550 at 1500-3000 rpm
CJGC450 at 1500-3000 rpm
CJMA450 at 1650-3200 rpm
CLZB, CRCA550 at 1500-3000 rpm
Compression ratio16.8:1
Axial clearance of the new camshaft 1*, mm0.0682-0.0750
Radial clearance of the new camshaft 2*, mm0.037-0.063
Valve plate diameter, mm:
Inlet
28.5-28.7
Outlet25.9-26.1
Valve length, mm:
Inlet
97.2-97.4
Outlet99.0-99.2
Number of holes (1 in illustration 31.33) depending on the maximum piston protrusion:
1
0.835-0.97 mm
20.97-1.02 mm
31.02-1.13 mm
Piston diameter 3* // cylinder, mm:
Denomination
82.924-82.936 // 83.006-83.014
Repair size82.964-82.976 // 83.046-83.054
Clearances in the locks of new/used piston rings (the ring is inserted into the cylinder perpendicular to its axis at a distance of 50 mm from the bottom edge of the cylinder), mm:
1st compression ring
0.25 - 0.40 // 0.60
2nd compression ring0.70 - 0.90 // 1.20
Oil scraper ring0.25 - 0.50 // 0.70
Clearance of new/used piston rings in piston grooves, mm:
1st compression ring
0.009 - 0.130 // 0.160
2nd compression ring0.05 - 0.09 // 0.11
Oil scraper ring0.03 - 0.07 // 0.10
Axial clearance of the crankshaft of a new engine, mm0.090-0.251
Axial clearance for each pair of new connecting rods, mm0.20-0.44
Radial clearance of main/connecting rod bearings of the crankshaft of a new 4* engine, mm0.02-0.05 // 0.02-0.07



1* Measured with the rocker arms removed and the shaft held only by the outer bearing caps.

2* Determined by the Plastigage kit with the rocker arms removed.

3* Not counting the quickly wearing graphite coating with a thickness of 0.02 mm.

4* Determined by the Plastigage kit when tightening the crankshaft bed fasteners // connecting rod bearing caps with a force of 30 // 35 Nm. Main bearing shells worn down to the nickel layer must be replaced before measuring.


(A link to the original source is available on the website: AUDIMANUAL)
The article was checked by auto expert Daniil Ushakov
This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

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Audi Q Q7 Typ 4L: Diesels 3.0 l (BUG, BUN, CAS)
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Specifications — 3.0L Diesel Engine 1st Generation
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Q7 4L(2005-2015, diesel) 
  • General information
  • Operating instructions
  • Maintenance
  • Power unit
  • Diesels 3.0 l (BUG, BUN, CAS)
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  • Diesels 4.2 l (BTR, CCFA/CCFC)
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Q5 8R(2008-2017) 
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  • Diesel engine 3.0 l
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