Ic-Timing Belt
Ic-Timing Belt
January 2013
A MAGAZINE
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22
30 40 A Publication
22 30 40
Toyota Brake Job Starter & Battery Timing Belt Replacement
2005-’10 Scion TC Models Diagnostic Solutions on Honda/Acura V6 Engines
This car is designed for ceramic Import Specialist Contributor Gary Bob Dowie, owner of Village Auto,
friction material formulations. If Goms says that early 1900s inven- Chester, NY, says that the first
tor Charles F. Kettering’s electric step in timing belt replacment is
the brake system is operating
selling the job. While most cus-
correctly, it’s not uncommon for a self-starter transformed the auto-
tomers know they need to be
set of rotors to last three sets of mobile from a temperamental
replaced before they fail, some
ceramic pads. novelty item into a practical means still need to be reminded of this
of transportation. important service.
ImportCar Staff
Publisher Managing Editor Graphic Designer Circulation Manager
Jim Merle, ext. 280 Jennifer Clements, ext. 265 Kelly Gifford, ext. 249 Pat Robinson, ext. 276
jmerle@babcox.com jclements@babcox.com kgifford@babcox.com probinson@babcox.com
55 Classifieds
Babcox Media, Inc.
3550 Embassy Parkway
In Memoriam
Founder of Edward S. Babcox
Babcox Publications (1885-1970)
A
s you begin the your technicians know that
year with a clean they’re an integral part of
slate, realize that your business and they play
every facet of your busi- an important role in your
ness should be positioned shop’s overall customer
to support your shop’s service experience. With a
value proposition. Here are sense of ownership in the
a few things to think about success of your business,
as you work on ways to you will foster a sense of
fulfill your shop’s mission pride in their work and a
and grow your business. cate customers about how greater commitment to highest-
Focus on the customer. While much money they can save quality repairs.
it’s a great thing when you get with proper vehicle mainte- Work on shop image.
new customers, repeat cus- nance. Better-running, well- Because first impressions run
tomers provide an added ele- maintained vehicles boost gas deep in attracting and keeping
ment of security. And their mileage and also prevent big- customers, look at your shop’s
word-of-mouth referrals will ger-ticket repairs down the appearance through the eyes of
speak volumes of your shop’s road. Participation in such your customers. Consider the
reputation and high-quality events will also give you a very overall impression your cus-
work. positive reputation in the tomers get as they enter your
Be car care aware. Get community. business, and take steps to
involved in the Be Car Care Appreciate your techs. Let ensure that the entire service
Aware Campaign and help edu-
Beginning with this issue, we have a new mechanism in
place for Reader Service.
It’s called Rapid Response.
You can get free
product and service
information from the
companies featured
in this issue by simply going to www.icRAPIDRESPONSE.com
and clicking on the company from which you want information.
See page 54 for more details.
It’s a fast and easy way to directly connect you to the product
and service information you see in the advertisements or in the
product section of this magazine.
Give it a try today!
Employees of Babcox Media, industry manufacturers and ImportCar advertisers are not eligible to enter.
the front desk, the waiting area, through the serv- I can usually spot
ice door and then squeeze who’s going to be
by the tire racks. For safety the next shop
reasons, it’s best that cus- helper. All I have to
tomers stay in the waiting do is pull
room. But some of their car
these adventurous
individuals are com-
pelled to help me out, no
matter what.
There are too many hoses, cords
T
he Toyota Scion TC is the odd vehicle in the This car is designed for ceramic friction mate-
Toyota fleet. The TC shares its platform rial formulations. If the brake system is operating
with the Avensis, which was not sold in the correctly, it’s not uncommon for a set of rotors to
U.S., and shares some brake components with the last three sets of ceramic pads. Toyota even rec-
Corolla and even the Camry. There are no brake- ommends not machining the rotors if they are
specific TSBs or recalls for the 2005-’10 TC. within specifications for thickness, thickness
The replacement of the pads and rotors is variation and runout.
straightforward, but there are some things that The new friction materials must be compatible
you should know before you start. with the old, or the rotors must have the right
surface finish so the new pads can apply a
transfer layer of new friction material.
Basics
• Lug Nuts Torque:
76 ft.-lbs.
• Caliper Bracket Bolts:
35 ft.-lbs.
• Caliper Guide Pin:
25 ft.-lbs.
Front Brakes
The front brakes use a vented
rotor. The minimum runout
specification is 0.0020.” This
can be adjusted with a runout
correction plate that fits
between the hub flange and
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[ TechFeature SCION BRAKE JOB
cate that the inner shim can be Rear Brakes The rear runout specification is
lubricated to resolve noise. The rear brakes use solid rotors around 0.006,” but your goal
The wear sensor is mounted on and single-piston calipers, and should be around 0.002-0.003.”
the inner pad and should be the parking brake is mounted in Leaving too much runout may
mounted on top. the hat. result in a pulsation problem in a
few thousand miles. Runout can
be corrected using a runout cor-
rection plate that goes between
the rotor and the hub flange. On-
the-car brake lathes can be used
to correct runout only if there is
enough material on the rotor.
The trickiest items on the rear
brakes are the boots and bush-
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“whirring” sound, indicating that the starter motor Keep in mind also that modern technology in some
vehicles has delegated the starter engagement process
to the Powertrain Control Module (PCM). In this sys-
tem, turning the ignition switch or pressing the
“start” button simply commands the PCM to engage
the starter motor. Failures in these systems should
first be diagnosed with a scan tool and by using diag-
nostic techniques similar to those used in any other
system controlled by the PCM.
BATTERY DIAGNOSTICS
The first step is to make sure that the battery termi-
nals and cables are free of corrosion. Next,
Photo 4: The secondary reduction drive gear contains an over-run
determine the battery state of charge (SOC) and
clutch that disengages the starter motor as the engine speed
increases. condition by testing with a conductance or variable-
T
iming belts have been around long enough equipped with a timing chain.
that most of our customers are well aware I’ll go through the timing belt replacement steps
that they need to be replaced at a scheduled here, but this is not intended to replace the service
interval. Most are also aware of the catastrophic information available in your shop. One of the
consequences should they be overlooked and left most frustrating things for any shop owner is
in service until they fail. when techs don’t take advantage of available
This month, we’ll take a look at replacing the belt service information.
on the V6 Honda/Acura engine, pointing out some 1. Get started by disconnecting the bat-
details that may make the next job go easier for you. tery and removing the accessory
The first step in timing belt replacement is sell- drive belt. On power steering-
ing the job. For many years, the industry standard equipped cars, the
for belt replacement was 60,000 miles. Those of us pump or pulley
with more experience can even remember when has to be
30,000 miles was the norm.
Over the years, the materials and processes used
in timing belt manufacturing have allowed Honda
Import-Car.com 41
[ Honda TIMING BELTS
Photo 6 Photo 7
note that the concave side is facing outward. time saver if you’re planning to reinstall the tim-
7. With the covers removed, be sure you have ing belt you’re removing. Since the bolt holds the
number one cylinder on TDC. With the lower, tensioner in place, it won’t be necessary to remove
outer cover removed, align the dimple on drive and retract the tensioner.
pulley with the mark on the oil pump (see Photos 9. Relieve the tension on the timing belt by loos-
5 on page 41), while confirming that the cam pul- ening the timing belt idler pulley bolt and pulley,
ley marks are in line with the marks on the inner and then remove the timing belt. There are two
covers (see Photos 6 and 7). styles of tensioners used on the V6s — one is
8. Before the belt is removed, your service infor- sealed, while the other has a service bolt on the
mation will instruct you to hold the tensioner in backside. With the tensioner removed, if it’s the
place to prevent it from extending as the belt is re- sealed unit, slowly apply pressure until the service
moved. To accomplish this, there is threaded boss pin can be installed (see Photos 8, 9 and 10a, and
provided that lines up with the tensioner pivot 10b-10c on page 44).
arm. The bolt to do the job is also provided as one 10. If you have a tensioner with the service bolt,
of the L-shaped bolts that secure the battery. Grind clamp it in the
a slight point on the bolt and install it only hand- vise by one of
tight. You’re not trying to compress the tensioner, the mounting
but rather just hold it in place. This step can be a ears with the
Tech Tip:
Photo 9:
New sealed-style
tensioner with
installation pin installed
Photo 10a:
Slowly tighten the vice until
the pin can be installed
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Import-Car.com 43
[ Honda TIMING BELTS
Photo 11:
Manual tensioner and
stopper tool
Photo 10b:
Auto tensioner before removal. Note how far the tensioner before you started this job).
has extended to compensate for belt wear.
15. Using the pulley bolt, rotate the engine by
hand for a couple of revolutions, always in the
proper direction of rotation. In this case, that
would be clockwise. This will let the tensioner
extend, while letting you confirm the marks are
still in line when you stop at number one TDC.
16. If all is well, finish by installing the covers
and other parts removed on disassembly. With
Photo 10c: everything buttoned up, all that’s left is to fill the
Tensioner
installed with cooling system with the proper coolant and bleed
the pin in place the system (see Photo 12).
You may encounter a problem with the power
tube of silicone will do the job. steering where it won’t bleed the air out of the sys-
12. When it comes time to install the timing belt, tem. This problem is often traced to the O-ring on
reinstall the tensioner with the pin or stopper tool the removed line allowing air to enter the system.
in place, loosely install the idler pulley using Depending on the condition of the fluid, it may be
thread locker, and then install the timing belt in a a good time to change the power steering fluid,
counterclockwise direction following this se- and be sure that the screen in the bottom of the
quence: Crankshaft pulley, idler pulley, front reservoir is clear while you are there.
camshaft pulley, water pump pulley, rear camshaft Don’t forget the additional services, like spark
pulley and tension adjust pulley. plugs, filters and fluids, that are due at the same
Note: Be sure the crankshaft and camshaft pul- mileage as the belt. At the very least, an oil change
leys remained aligned with the marks on the back should be recommended.
cover. To aid in this process, we use spring-loaded Your customers are counting on you to take good
clips to hold the belts on the pulleys as the belt is care of their car, and a big part of that is reminding
routed. With the belt in place, tighten the idler pul- them when service should be performed. IC
ley bolt to 38 ft.-lbs.
Photo 12:
13. Next, remove the retaining tool or pin from the This simple tool makes
auto-tensioner. Install the engine mount bracket to filling and bleeding the
the front of engine. If you have a timing belt guide cooling system easy
plate, install it with the concave surface facing out.
Install the lower cover and crankshaft pulley.
14. Lubricate the pulley bolt and tighten to the
proper torque; most go to 181 ft.-lbs., with certain
models using a torque-to-yield-type bolt (but you
would have seen that in your service information
Fig 1: Mercedes-Benz
Fig 2: Mercedes-Benz
Import-Car.com 47
[ ImportTechTips
and you may proceed to step 8. used in production on all the
a. There are no scorch marks or above models, please refer to EPC
damage on the slip ring of the for the correct voltage regulator
generator rotor (Fig. 3, 1 on page part number application. The cor-
47). rect part numbers may be found
b. The carbon brush length of in group 15 and/or 54 in EPC.
the defective regulator is at least Courtesy of Identifix.
5 mm (Fig. 4, 1 on page 47).
c. The wear on the two brushes KIA
INTERMITTENT HARD
of the defective regulator is even STEERING ON SORENTOS
(maximum 1 mm difference).
6. Install the new voltage regu- This bulletin
lator and tighten the Philips provides infor-
head screws to: mation relating
a. Fig. 2, 2 = 2.0-2.4 Nm. to the service of
b. Fig. 2, 3 = 1.0-1.4 Nm. the vehicle
7. Install the plastic cover on speed sensor
the back of the generator and (Fig. 5) and
tighten the Philips head screw adapter cord.
(Fig. 1, 2) to 2.2-2.6 Nm and the Fig 5: Kia-old Sorento EX
two nuts (Fig. 1, 1) as follows: vehicles pro-
a. Long stud to 29.0-32.0 Nm. duced before
b. Short stud to 11.0-13.0 Nm. Oct. 6, 2004,
8. Reinstall the repaired gener- may intermit-
ator or the new generator in tently have vari-
reverse order and verify proper ations in the
operation as described in step 1. level of power
Note: Due to the several ver- assist during
sions of alternator/generators driving or park-
Fig 5: Kia-new
Fig 6: Kia
Import-Car.com 49
[ ImportTechTips
3. Install a new vehicle sensor adapter cord to
the new sensor. Connect the vehicle harness,
then tie-up the wiring with a tie-strap to prevent
vibration and interference as shown in Fig. 8.
4. Connect the Hi-Scan Pro to the underhood
DLC only.
5. Select Elec. Power Steering and press Enter.
6. Select Diagnostic Trouble Codes and press
Enter.
7. Clear diagnostic trouble codes, as necessary.
SUBARU
MYSTERIOUS LEAKING ENGINE OIL SEALS?
CHECK THE PCV!
<<
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brand packaging have chassis catalog for the following
never been this acces- << models: Saab 9-3 (2006-’09): P/N 401-
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Trico Products’s 2012/2013 U.S. 401-2423; and Suzuki SX4 (2007-’12):
Application Guide is specially P/N 405-1240. Raybestos tie rod ends
designed to allow for quick look- specifically match the ball and socket
up of the proper wiper blade for design for built-in strength and lasting
a specific vehicle. Included are durability. High-strength steel forgings
detailed listings of wiper blades provide maximum stability, safety and
and washer pump product lines, service life.
an interchange guide and a com-
plete directory of retail merchan-
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formation and applications for
the new TRICO Ice winter wiper
blade and premium TRICO Force
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new part numbers to its automotive
Kit for VERUS PRO from Snap-on provides everything
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products, including: 49 molded heater
tests, module coding, relearns and adaptations, as well
hoses, 30 Gatorback belts, 18 molded
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radiator hoses, three timing belt kits,
ing engine, transmission, ABS, climate, TPMS, steering,
two tensioners, a pulley and a fuel fill
chassis and more.
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Track Talk