Vw Polo Repair Manual Pdf

[Janeen Bahrke]

When we first began selling manuals in the 1960s, vehicles were simple to maintain and there were relatively few models on sale. Today, electronics are a vital part of how your vehicle operates and there are more than 100,000 different variants of make/ model/ body type/ gearbox and engine.

So at Haynes, we knew that to continue offering a great product, we needed to take a brand-new approach - nothing less than a reinvention of the repair manual. With so many models on sale, it is impossible to strip down and rebuild enough cars to cover the market properly. Instead, Haynes Autofix is based upon workshop data with added DIY tutorials full of general tips and techniques.

Modern cars are equipped with dozens of sensors and ECUs (control units). Today, the first step when servicing a car is to plug a diagnostic tool into the OBD (on-board diagnostics) system of the vehicle.

Haynes Autofix is not a Haynes Manual. We want to be very clear about this, but we know that our new product will enable many thousands of you to continue maintaining your vehicle and troubleshooting problems in a DIY environment.

Note: Autofix is a worldwide product. You will sometimes see RHD (right hand drive) or LHD (left hand drive) mentioned. On location diagrams, we sometimes have LHD drawings only; but they do apply to RHD vehicles in a mirror image.

The experts at Haynes have compiled 50+ tutorials on tasks that range from changing the oil to replacing a timing belt. Use these DIY friendly guides alongside the data for your vehicle to complete the job correctly first time.

In the Volkswagen Polo service and repair manual you will find information about: Roadside repairs (introduction, jump starting, wheel changing, identifying leaks, towing), weekly checks (under bonnet check points, engine oil level, coolant level, brake fluid level, screen washer fluid level, wiper blades, battery, tyre condition and pressure, bulbs and fuses, etc), lubricants, fluids and tyre pressures, maintenance: routine maintenance and servicing, engine and associated systems, transmissions, brakes and suspension, body equipment, wiring diagrams, etc.

I'm starting this thread in the vein of the "Me and My Buick" area over on the Buick side. The subject car is the result of what started out as the quest for a Reatta for my wife. I touched on some of the cars that we looked at over in the Reatta forum.

The quest began with a Reatta convertible that my wife saw recently at a cruise-in while we were in Florida. She's not usually paying much attention as we wander among the cars, but the lone Reatta present that Sunday morning got her attention. On the ride home from the event she peppered me with questions about 'those cars' (i.e., Reattas). With that, the hunt began for a Reatta convertible. When no convertibles turned-up within a reasonable driving distance, we widened the search to include coupes as well. Long story short is she spied a couple of Allantes in the area, so we looked at one only a couple of miles from where we were staying. Though that particular car was a 'pass', she did sit in it and felt comfortable. The Reatta, even with a 16-way seat just didn't fit as well. At that point we started focusing on an Allante', which brings me to the subject of this blog...

As seen above, the last six digits of the VIN are 126709 and it received the 'V4J' engine/transmission updates. The Northstar idles silky smooth and quiet, while on the outside it appears clean and dry. That's the good news. It does, however, have some 'needs'...

I dumped the OBD codes and found P024 (VSS) is current. Also listed in the history were codes P028, P062, T083, R034, S044 and S060. There were no BCM or Lighting codes. So, first order of business is to get a copy of the service manual. I plan to try to keep this thread updated as I work through the process of sorting-out and resolving the gremlins. I look forward to receiving input from the forum community and hope that this thread will ultimately be helpful to others trying to restore or maintain their Allante'.

I replaced the VSS on Tuesday. It wasn't a difficult job, but the bolt that holds the sensor to the transmission case is located behind the sensor connector. Access is through the RF inner fender, above the axle. There is a knock sensor right above it, which can remain in-place, however, the plug needs to be removed in order to allow the VSS to be removed from the transmission. The most difficult part of the job is there's not enough room to get even my 1/4" drive ratchet in there to loosen the retaining bolt. The bolt can't be seen (because it's on the inboard side of the VSS socket), so it has to be located by feel. In the end, I had to use the open end of my 10 mm box wrench to loosen the bolt. The angle of the box-end interfered with other brackets and the transmission case. So, I resigned myself to moving the wrench about 5 and then flipping it over and doing it again and again and again... Fortunately it wasn't very tight and once loosened about 1/4 turn I was able to unscrew it with my fingers. Installation was the reverse of removal. Test drive seems to show the speedometer needle operates more smoothly (or maybe I'm imagining it). In any case, the SES is off and P024 is gone.

The other thing I did was decided to try to see what I could do about the rust stains in between the spokes of the wheels. Metallic brake dust was allowed to accumulate and the scallops were stained orange; particularly the front wheels. I had resolved myself to the fact that I'd probably have to sand and paint the scallops charcoal gray to hide the damage. I have a tube of Simichrome polish, so I figured there was no harm in trying... To my surprise, the polish removed all of the iron stains and left only a few very small pits in the chrome on the worst scallops. The change in appearance was dramatic and the wheels look like new.

Took the car for a drive to test the VSS yesterday. Good news is P024 is now gone, but T083 (Low Brake Fluid) showed up, which disabled ABS, TCS and turned on the BRAKE light. The master cylinder is full, so it looks like a problem with the fluid level switch in the reservoir. I'll be looking at that today. Fortunately I now have the factory service manual, which has all of the fault trees and troubleshooting procedures defined. I plan to flush the brake system with new fluid.

Sucked old fluid out of the master cylinder and checked for free operation of the fluid level sensor float. Refilled the master cylinder with fresh fluid and the T083 code is gone. I still need to flush the brake system because the fluid I removed from the master cylinder reservoir looked amber in color. Hopefully I'll get to that sometime this weekend.

I also troubleshot the cruise control and active suspension fault codes. I ran the PCM test to cycle the cruise control servo solenoids as directed in the flow diagram in the shop manual. Looks like the problem is within the servo, which is non-responsive when toggled by the PCM. Rock Auto has rebuilt ones with exchange, however, I think I'll open mine up first and see whether I can find and fix the issue. The active suspension test is pointing to an erroneous output from the LF lift/dive position sensor which appears to be reading just outside the allowable range. I think I'll take that to the bench when I have the wheel off for the brake fluid flush.

Lastly, I had a pretty large oil leak which came outta nowhere the other day. Turned out to be a loose oil filter! Good thing I didn't drive far and the pan holds 7 quarts... I tightened the filter and that seems to have resolved the leak. I am planning to change the oil and filter soon anyway. More to come...

Since I replaced the VSS, the car seems to run and drive really well. Now for the "I told you so" part... I'm slowly tracing backward schematically in the harness to find the fault with the HVAC blower control. The 'power module' (fancy transistor version of what used to be 3 wire-wound resistors) was definitely bad (shorted 12V to the load terminal) because the fan would run full speed even with the ignition off. So, I bought and installed the offshore replacement. Unfortunately, that had the opposite effect: no blower operation. Good thing I invested in a gently-used factory shop manual. I'm currently tracing the fan speed control signal back to the BCM, which generates it.

I have been following the fault trees given in my '93 Allante' service manual. The decision trees are based on setting the control to 'Hi Fan' and then looking for >0.5 Volts at the Gray wire. The weird thing is I swear I passed that test the first time through and landed at the blower motor as the fault, which I knew couldn't be true. I then fed the blower 12V directly through a 15A fuse and verified it is good. The service manual says to check using a 20A fuse to ensure the motor isn't drawing too much current and was responsible for the power module failure. Since mine ran at less than 15A it is good (as I suspected).

The first stop while tracing the blower speed control signal backwards to the source is the programmer, which is in front of the glove box. The signal was bad here as well. I noted some green corrosion on the connector and PCB contacts, so I cleaned both with electrical contact cleaner since I had it apart.

The next step backward is the BCM, which is the source of the signal. I was able to access the BCM connectors after removing the left kick panel, driver's side console panel and finally the driver's side knee bolster.

While waiting for the new BCM to arrive i figured I'd take a look at the bad cruise control servo. I removed it from the car and brought it to the bench. I used my mighty-vac to check for vacuum leaks and the vacuum input held vacuum. Next, I disassembled it to reveal the vacuum switch solenoid coils and the vacuum valve bodies. Mechanically everything looked OK, so I just cleaned the parts and reassembled the valves. Last step was to check the solenoid valves electrically. I was able to read continuity through 2 of the 3 solenoid coils; the 3rd one read 'open'. Upon closer inspection I found a few loose coils of wire near one end of the solenoid body, By carefully picking at the wire I was able to find the break in the wire and bring the two ends out where I could work with them. I trimmed the wires back a bit and used a utility knife to strip the lacquer off the ends before twisting them together. I checked continuity with my meter and the coil now read like the others. I soldered the joint and insulated the end with some heat-shrink tubing. Lastly, I glued the splice to the coil with a dollop of epoxy to secure the repair from vibration. All assembled, the servo checks OK with my meter, so I'm hopeful that it will actually work once I get the BCM repair finished and can take the car out for a test drive. The first real test will be to see whether the fault code reappears when I switch the cruise 'on'.

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