2005 CITROEN C6 engine

Downloaded from www.Manualslib.com manuals search engine 43
ENGINE
SPECIAL FEATURES: CYLINDER HEAD TIGHTENING
Engine: DT17BTED4
B1DP1MLC
Cleaning to be carried out just prior to refitting the cylinder head
WARNING: Clean the contact faces with the approved CITROËN cleaning product.
Do not use abrasives or cutting tools on the contact faces.
The contact faces must not bear any traces of impact or scratching.
Insert a tap in the threads of the holes in the cylinder block receiving the cylinder head bolts.
Brush the threads of the cylinder head bolts.
Oil the threads and under the heads of the bolts, using MOLYKOTE G RAPID PLUS.
Engine Tightening (from 1 to 8)NOT re-usable
Pre-tightening2 ± 0,2
DT17BTED4Tightening4 ± 0,4
New screws
Tightening8 ± 0,8
Angular tightening180° ± 5°
NOTA : Tightening of the cylinder head after a repair is prohibited.
B1DP1MDD
Front cylinder headRear cylinder head
Angl-C6-page022-82-2005 4/02/05 17:19 Page 43

Downloaded from www.Manualslib.com manuals search engine 44
ENGINE
Tools
BELT TENSION/SEEM UNITS CORRESPONDENCE TABLE
!
4099-T (C.TRONIC.105)4122-T (C.TRONIC.105.5)
!
!
!
Angl-C6-page022-82-2005 4/02/05 17:19 Page 44

Downloaded from www.Manualslib.com manuals search engine 45
ENGINE
AUXILIARY EQUIPMENT DRIVE BELT
Engine type
C6
See pages:Petrol Diesel
3.0i 24S 2,7 24V
XFV UHZ
XX
47 to 48 49
Angl-C6-page022-82-2005 4/02/05 17:19 Page 45

Downloaded from www.Manualslib.com manuals search engine 46
ENGINE
AUXILIARY EQUIPMENT DRIVE BELT
Engines : all types Petrol and Diesel
Tools.
Belt tension measuring instrument: 4122-T.(C.TRONIC 105.5).
WARNING: If using tool 4099-T (C.TRONIC 105).
Essential.
Before refitting the auxiliary equipment drive belt, check that:
- 1 / The roller(s) rotate freely (no play or stiffness).
- 2 / The belt is correctly engaged in the grooves of the various pulleys.
Angl-C6-page022-82-2005 4/02/05 17:19 Page 46

Downloaded from www.Manualslib.com manuals search engine 47
ENGINE
B1BP27EC
AUXILIARY EQUIPMENT DRIVE BELT
Engine: ES9A
Tools.
[1] Ratchet spanner S.171 FACOM (1/2 square): S 171
[2]Reduction box S.230 FACOM (1/2 - 3/8): S 230
Removing.
Remove the engine cover.
Pivot the tensioner roller bracket (1)clockwise, until it locks,
using tools [1]and [2]at «a».
Remove the auxiliary equipment drive belt.
ESSENTIAL: Check that the guide rollers are turning freely
(no play and no tightness).
Refitting.
Refit the auxiliary equipment drive belt.
Respect the following order of assembly:
- The crankshaft pulley (2).
- The tensioner roller (3).
Release the tensioner roller bracket (1), by turning it anti-clockwise,
using tools [1]and [2].
ESSENTIAL: Make sure that the belt is correctly positioned in
the grooves of the various pulleys.
B1BP27FC
Angl-C6-page022-82-2005 4/02/05 17:19 Page 47

Downloaded from www.Manualslib.com manuals search engine 48
ENGINE
B1BP3BSD
AUXILIARY EQUIPMENT DRIVE BELT
Engine: ES9A
Tool.
[1] 2 mmdiameter peg: (-).0188-Q1
Removing.
Remove:
- The under-engine sound-deadening.
- The front RH wheel.
- The RH splash-shield.
- The air duct (linking the air distributor heat exchanger).
Compress the dynamic tensioner roller (1)to free the pegging hole at "a".
Peg the dynamic tensioner roller at "a", using tool [1].
WARNING: Do not compress the dynamic tensioner roller completely (risk
of damage).
WARNING: Mark the direction of fitting of the auxiliary equipment drive belt
if for re-use.
Disengage the auxiliary equipment drive belt from the various pulleys, commencing
at "b"(coolant pump pulley).
Remove:
- The screws (2)and (4).
- The dynamic tensioner roller (1).
- The auxiliary equipment drive belt (3).
ESSENTIAL: Check that the tensioner and guide rollers as well as the
coolant pump can turn freely (without play, without tight spots and without
projections of grease).
Angl-C6-page022-82-2005 4/02/05 17:19 Page 48

Downloaded from www.Manualslib.com manuals search engine 49
ENGINE
B1BP3BVC
AUXILIARY EQUIPMENT DRIVE BELT
Engine: DT17BTED4
Refitting.
WARNING: If re-using the auxiliary equipment drive belt, refit it respecting its direction of
fitting.
Fit the auxiliary equipment drive belt.
ESSENTIAL: Make sure that the auxiliaries drive belt is correctly positioned in the
grooves of the various pulleys.
Refit:
- The dynamic tensioner roller (1)by engaging the belt on the roller.
- The screws (2)and (4).
Tighten:
- Screw (2) : 5 ± 0,5.
- Screw (4) : 2,3 ± 0,2.
Compress the dynamic tensioner roller.
Remove tool [1].
ESSENTIAL: Make sure that the auxiliaries drive belt is correctly positioned in the
grooves of the various pulleys.
Refit:
- The air duct(linking the air distributor heat exchanger).
- The RH splash-shield.
- The front RH wheel.
- The under-engine sound-deadening.
Angl-C6-page022-82-2005 4/02/05 17:19 Page 49

Downloaded from www.Manualslib.com manuals search engine 50
ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine type
C6
See pages:Petrol Diesel
3.0i 24BS 2,7 24V
XFV UHZ
XX
51 to 57 58 to 67
Angl-C6-page022-82-2005 4/02/05 17:19 Page 50