engine VOLVO XC70 2007 Repair Manual

2007 Volvo XC70
How do states use OBD II for emission inspections?
Many states connect a computer directly to a vehicle's OBD II system. Th\
e inspector can then read
"faults." In some states, this type of inspection has replaced the tailp\
ipe emission test.
How can my vehicle fail OBD II emission inspection?
Your vehicle can fail OBD II emission inspection for any of the followin\
g reasons.
l If your Check Engine (MIL) light is lit, your vehicle may fail inspect\
ion.
l If your vehicle's Check Engine light was lit, but went out without any a\
ction on your part, OBD II will
still have a recorded fault. Your vehicle may pass or fail, depending on\
the inspection practices in your
area.
l If you had recent service that required disconnecting the battery, OBD I\
I diagnostic information may
be incomplete and "not ready" for inspection. A vehicle that is not read\
y may fail inspection.
How can I prepare for my next OBD II emission inspection?
l If your Check Engine (MIL) light is lit - or was lit but went out with\
out service, have your vehicle
diagnosed and, if necessary, serviced by a qualified Volvo technician.
l If you recently had service for a lit Check Engine light, or if you had \
service that required
disconnecting the battery, a period of driving is necessary to bring the\
OBD II system to "ready" for
inspection. A half-hour trip of mixed stop-and-go/ highway driving is ty\
pically needed to allow OBD II
to reach readiness. Your Volvo retailer can provide you with more inform\
ation on planning a trip.
l Maintain your vehicle in accordance with your vehicle's maintenance sche\
dule.
pg. 187 Maintenance and servicing
Working on your car
Note the following before you begin working on your vehicle
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2007 Volvo XC70
Battery
l Ensure that the battery cables are correctly connected and tightened.
l Never disconnect the battery when the engine is running (e.g. when repl\
acing the battery).
l Never use a fast charger to charge the battery. The battery cables shoul\
d be disconnected when
recharging.
l The battery contains acid that is both corrosive and poisonous. It is im\
portant that the battery is
handled in an environmentally friendly way. Let your Volvo dealer assist\
you.
Hoisting the vehicle
If a garage jack is used to lift the vehicle, the two jack attachments p\
oints should be used. They are
specially reinforced to bear the weight of the vehicle. A garage jack ca\
n also be placed under the front of
the engine support frame. Take care not to damage the splash guard under\
the engine. Ensure that the
jack is positioned so that the vehicle cannot slide off it. Always use a\
xle stands or similar structures.
If a two-post hoist is used to lift the vehicle, the front and rear lift\
arm pads should be centered under the
reinforced lift plates on the inboard edge of the sill rail (see illust\
ration).
pg. 188 Maintenance and servicing
Working on your car
WARNING!
The vehicle ignition system has very high voltage!
The voltage in the ignition system is dangerous!
Do not touch spark plugs, ignition cables or the ignition coil when the \
engine is running or the
ignition is switched on!
The ignition should be switched off when:
l Conducting engine tests.
l Replacing parts in the ignition system, such as spark plugs, ignition co\
il, distributor, ignition
cables, etc.
WARNING!
Never try to repair any part of the SRS or SIPS bag systems yourself. Any int\
erference in the system
could cause malfunction and serious injury. Any work should only be perf\
ormed by an authorized
Volvo retailer.
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2007 Volvo XC70
Belt check
Check the belt regularly to make sure it is in good condition and is cle\
an. A worn or dirty belt can cause
poor cooling and low alternator output as well as impair the operation o\
f the power steering and the air
conditioning unit.
NOTE: The drive belt is equipped with a self-tensioning mechanism and require\
s no adjustment
between changes.
WARNING!
The engine must not be running when this check is
performed.
Check coolant level
The cooling system must be filled with coolant and not leak to operate a\
t maximum efficiency. Check
the coolant level regularly. The level should be between the "MAX" and "\
MIN" marks on the expansion
tank. The check should be made with particular thoroughness when the eng\
ine is new or when the
cooling system has been drained.
Do not remove the filler cap other than for topping up with coolant. Fre\
quent removal may prevent
coolant circulation between the engine and the expansion tank during eng\
ine warm up and cooling.
Changing coolant
Normally, the coolant does not need to be changed. If the system must be\
drained, consult your Volvo
retailer.
NOTE: Do not top off with water only. This reduces the rust-protective and an\
tifreeze qualities of the
coolant and has a lower boiling point. It can also cause damage to the c\
ooling system if it should freeze.
Top off with Volvo Genuine Coolant/Antifreeze only (a 50/ 50 mix of wat\
er and antifreeze). CAUTION!
The cooling system must always be kept filled to the correct level. If i\
t is not kept filled, there can be
high local temperatures in the engine which could result in damage. Diff\
erent types of antifreeze/
coolant may not be mixed.
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2007 Volvo XC70
WARNING!
Never remove the radiator cap while the engine is warm. Wait until the v\
ehicle
cools.
pg. 189 Maintenance and servicing
Hood and engine compartment
Opening the hood
- Pull the lever located under the left side of the dash to release the \
hood lock.
- Lift the hood slightly.
- Press up the release control located under the front edge of the hood \
(at the center) and lift.
WARNING!
Check that the hood locks properly when
closed!
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2007 Volvo XC70
Engine compartment
1. Expansion tank - coolant
2. Power steering fluid reservoir
3. Washer fluid reservoir
4. Dipstick - engine oil
5. Radiator
6. Cooling fan
7. Oil filler cap - engine
8. Clutch/brake fluid reservoir
9. Relay/fuse box
10. Air cleaner
11. Battery (under floor in cargo area)
12. Data plate
WARNING!
The cooling fan (6) may start or continue to operate (for up to 6 min\
utes) after the engine has been
switched off.
pg. 190 Maintenance and servicing
Engine oil
Oil specifications
Engine oil must meet the minimum ILSAC specification GF-3, API SL, and A\
CEA A1/ B1. Lower
quality oils may not offer the same fuel economy, engine performance, or\
engine protection.
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2007 Volvo XC70
Volvo recommends .
Depending on your driving habits, premium or synthetic oils may provide \
superior fuel economy and
engine protection. Consult your Volvo retailer for recommendations on pr\
emium or synthetic oils.
Oil additives must not be used.
NOTE: Synthetic oil is not used when the oil is changed at the normal mainten\
ance services. This oil is
only used at customer request, at additional charge. Please consult your\
Volvo retailer.
Oil viscosity (stable ambient temperatures)
Operation in hot climates
When temperatures exceed 86° F (30° C) in your area, Volvo recom\
mends, for the protection of your
engine, that you use a heavier weight oil, such as such as SAE 5W- 40 or\
0W-40. See the viscosity chart.
Operation in temperate climates
Incorrect viscosity oil can shorten engine life. Under normal use when t\
emperatures do not exceed 86° F
(30° C), SAE 5W-30 will provide good fuel economy and engine protec\
tion. See the viscosity chart.
Extreme engine operation
Synthetic oils meeting SAE 0W-30 or 0W-40 and complying with oil quality\
requirements are
recommended for driving in areas of sustained temperature extremes (hot\
or cold), when towing a trailer
over long distances, and for prolonged driving in mountainous areas.
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2007 Volvo XC70
American Petroleum Institute (API) symbol
The API Service Symbol "donut" is divided into three parts:
l The upper section describes the oil's performance level.
l The center identifies the oil's viscosity.
l The lower section indicates whether the oil has demonstrated energy-cons\
erving properties in a
standard test in comparison to a reference oil.
pg. 191 Maintenance and servicing
Engine oil
Changing engine oil and oil filter
See the previous page for oil specifications and
page 217 for oil volumes. Refer to the Warranty and
Service Records Information booklet for information on the oil change in\
tervals.
NOTE:
l Volvo does not recommend the use of oil additives.
l Synthetic oil is not used when the oil is changed at the normal maintena\
nce intervals except at owner
request and at additional charge. Please consult your Volvo retailer.
Checking and adding oil
The oil level should be checked every time the vehicle is refueled. This\
is especially important during
the period up to the first scheduled maintenance service.
l The vehicle should be parked on a level surface when the oil is checked.\

l If the engine is warm, wait for at least 10-15 minutes after the engine has been switched off\
before
checking the oil.
Checking the oil
- Pull out the dipstick and wipe it with a lint-free rag.
- Reinsert the dipstick, pull it out, and check the oil level.
- Add oil if necessary. If the level is close to the MIN mark, add appro\
ximately 1 US quart (1 liter) of oil.
- Run the engine until it reaches normal operating temperature.
- Switch off the engine and wait for at least 10-15 minutes and recheck \
the oil level. If necessary, add oil
until the level is near the mark.
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2007 Volvo XC70
CAUTION!
- Not checking the oil level regularly can result in serious engine dama\
ge if the oil level becomes too
low.
- Never fill oil above the MAX mark. This could cause an increase in oil\
consumption.
- Not checking the oil level regularly can result in serious engine dama\
ge if the oil level becomes too
low.
- Always add oil of the same type and viscosity as already used.
WARNING!
Do not allow oil to spill onto or come into contact with hot exhaust pip\
e
surfaces.
R-models
R-models are equipped with an oil level warning system. If the engine oi\
l level becomes too low, the
warning light in the instrument panel will come on and a warning will be\
displayed in the text window.
l If the yellow warning light in the instrument panel comes on and the tex\
t OIL LEVEL LOW/FILL
OIL is displayed, stop safely as soon as possible and add 1 qt (1 liter\
) of oil. Check the oil level with the
dipstick before restarting the engine.
l If the red warning light in the instrument panel comes on and the text O\
IL LEVEL LOW/STOP
SAFELY-->STOP ENGINE -->SEE MANUAL is displayed, stop safely as soon as \
possible and add oil
(not more than 1.6 qts (1.5 liters). Check the oil level with the dip\
stick before restarting the engine. If no
oil level is visible on the dipstick, do not start the engine. Have the \
vehicle towed to an authorized Volvo
retailer.
pg. 192 Maintenance and servicing
Fluids
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2007 Volvo XC70
Washer fluid reservoir
The washer fluid reservoir is located in the engine compartment and hold\
s approx. 6.8 US qts (6.4 liters)
or 4.8 US qts (4.5 liters) on the V70 R.
During cold weather, the reservoir should be filled with windshield wash\
er solvent containing antifreeze.
Changing coolant
Normally, the coolant does not need to be changed. If the system must be\
drained, consult your Volvo
retailer.
NOTE: Do not top off with water only. This reduces the rust-protective and an\
tifreeze qualities of the
coolant and has a lower boiling point. It can also cause damage to the c\
ooling system if it should freeze.
Top off with Volvo Genuine Coolant/Antifreeze only (a 50/ 50 mix of wat\
er and antifreeze).
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2007 Volvo XC70
CAUTION!
The cooling system must always be kept filled to the correct level. If i\
t is not kept filled, there can be
high local temperatures in the engine which could result in damage. Diff\
erent types of antifreeze/
coolant may not be mixed.
Check coolant regularly!
WARNING!
l Never remove the radiator cap while the engine is warm. Wait until the v\
ehicle cools.
l If it is necessary to top up the coolant when the engine is warm, unscre\
w the expansion tank cap
slowly so that the overpressure dissipates.
pg. 193 Maintenance and servicing
Fluids
Clutch and brake fluid reservoir
The clutch and brake fluid should always be above the MIN mark on the si\
de of the reservoir. Check,
without removing the cap, that there is sufficient fluid in the reservoi\
r.
Fluid type: DOT 4+ boiling point >536 °F (280 °C), P/N 9437433.
Replace: Every second year or 30,000 miles (48,000 km). The fluid should be rep\
laced once a year or
every 15,000 miles (24,000 km) when driving under extremely hard condi\
tions (mountain driving, etc.).
Always entrust brake fluid changing to an authorized Volvo retailer.
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