Renault F4R - Page 426

12A-39
FUEL MIXTURE
Exhaust manifold: Removal - Refitting
K4M
12A
II - OPERATION FOR REMOVAL OF PART
CONCERNED
a Remove:
-the exhaust manifold nuts,
-the exhaust manifold,
-the exhaust manifold gasket.
When replacing the exhaust manifold
a Remove:
-the lower heat shield bolts (7) ,
-the lower heat shield,
- the upstream oxygen sensor using the (Mot. 1495-
01).
REFITTING
I - REFITTING PREPARATION OPERATION
a parts always to be replaced: Exhaust manifold
seal (10,07,02,07).
a parts always to be replaced: ring between ex-
haust manifold and catalytic converter (10,08,02,
20).
a Use SURFACE CLEANER (see Vehicle: Parts
and ingredients for the repairwork) (04B, Consu-
mables - Products) to clean and degrease:
- the exhaust manifold joint face if it is to be re-used,
- the cylinder head joint face.
a Tighten to torque the exhaust manifold studs (8
N.m).
135711
135911
109399
Note:
If a stud loosens during removal, coat it with
HIGH RESISTANCE THREADLOCK (see Vehi-
cle: Parts and ingredients for the repairwork)
(04B, Consumables - Products).