10A-83
ENGINE AND CYLINDER BLOCK ASSEMBLY
Oil pressure: Check
10A
a Monitor the engine oil pressure as the oil temperatu-
re rises (approximately 80˚C or the first time the en-
gine cooling fan is activated); it should not be less
than the pressure at idle speed.
a If the oil pressure is lower than the pressure at idle
speed, check that:
-the oil filter is not clogged,
-dirt or swarf is not present in the engine oil,
-the oil pump is in good condition and being correct-
ly driven.
a F9Q engine:
-idle speed: 1 bar,
-3000 rpm : 4.5 to 5.9 bar.
F4R engine:
-idle speed: 0.5 bar,
-4000 rpm : 2.2 to 4 bar.
K9K engine:
-idle speed: 0.8 bar,
-4000 rpm : 3.4 to 5.2 bar.
K4M engine:
-idle speed: 0.5 bar,
-4000 rpm : 3.1 to 4.4 bar.
M4R engine:
-idle speed: 0.8 bar,
-2000 rpm : 4.5 bar.
a Switch off the engine.
a Remove the (Mot. 836-05) with the end pieces.
a Refit the oil pressure sensor (see 10A, Engine and
cylinder block assembly, Oil pressure sensor:
Removal - Refitting, page 10A-64) .
a Wipe any oil run-off with a cloth.
a Wait at least 10 minutes.
a Check the oil level using the dipstick.
a Top up the oil level if necessary (see Engine oil:
Specifications) (Technical Note 6013A, 04A, Lubri-
cants).
a Start the vehicle and check that there are no oil
leaks at the oil pressure sensor.
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