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Prev Professional Automotive Repair Technical Discussions for July 19, 2005
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Help Request Answers
1997 Audi A8 Quattro 4.2L abs VIN: WAUBG84D8V
Customer left lights on and discharged battery. He then jump started the car, but had reversed the polarity of the cables. When car was dropped off at our facility it ran fine, but the ABS light was always on. After starting the car the red brake warning ligh...
2000 Audi A4 1.8L converter,pump
hello there again. these audi's are kicking my butt. this audi has a new engine in it and when we got it back together and started it up started great, put in drive and nothing. reverse nothing. no noise nothing.fluid is full per the stupid design for checking...
1984 BMW 318i 1.8L exhaust backfire VIN: WBAAK7404E
Greetings fellow techs.This problem is very intermittent and only happens when the vehicle does not immediately start after turning the key.Customer states that car has had recent tune and runs very well at all other times.This car has electric injectors and n...
1997 BMW 328i 2.8L air distrubution VIN: WBABK832OV
LAst week we replaced water pump & t stat.everything was working o.k.customer now states that all the sudden there is no air distubution any where but down on the feet.The question has anybody ever see all these stepper motors going bad at one time or am I jus...
1999 BMW 740iL 4.4L ventilation VIN: WBAGH8331X
when first start out a\c will not cool effectivly, if the engine is turned off and vehicle sits for a period of 10 minutes when a\c is turned back on system is very effective.system has been evac and recharged recently with no effect. problem did exsist before...
2000 BMW 740iL 4.4L navigation/radio VIN: WBAGH8341Y
we have this bmw with the navigation/radio inop,fuse 69 in the trunk has a dead short to ground,have unplugged the nav. unit in the trunk and the in dash unit and the radio-short is still present.alldata is not much help,we are looking for a wiring diagram for...
2001 BMW 330Ci 3.0L Hydraulic Convertible top VIN: WBABS53411
Hello Iatn group, This BMW convertible top is hydraulicly operated. It came in low on fluid. We identified a leak in the rt tanau cover actuator. Installed a new actuator & filled the reservoir with oil. Wasn't able to find any info in alldata for bleeding, so...
1996 Jaguar XJS 2+2 4.0L high pressure VIN: SAJNX2749T
Hello all, This Jag came in with a complaint of the a/c cutting out. Hooked up the guages, the low side was in vacuum and the high side was about 190psi. We changed the expansion valve and drier and recharged with 2.0 lbs of r134. We now have a reading of 30-...
1998 Jaguar XJ8 4.0L "transmission failure" VIN: SAJHX1248W
codes are set after being driven 50 or 60 feet. then engine revs to 1800 then shifts to 5th gear and mil reads "transmission failure". i have learned from the iatn network the problem is in the "A" clutch basket, and the clip has become dislodged .can a...
2001 Jaguar S-Type 3.0L sunroof VIN: SAJDA01NX1
We have a strange one here. at times, when driving the car, the sunroof will open by itself without any action from the driver. driver will try to close it & it might close right away or he may have to work with for awhile before it closes. Has anyone run into...
1993 Mercedes-Benz 300SL 3.0L abs VIN: WDBFA61E7P
This car came in last month with the ABS/ASR lights on. We noted other dash functions such as a speedometer, tach, etc. were also not working. After checking the IATN knowledgebase we found numerous reports of this fault and understood that a defect existed ...
2002 Mercedes-Benz 308cdi 2.148L poor power VIN: WDB9036622
Hello, I have this sprinter van that use to intermitantly loose power and bring on the engine light. I have checked the codes and it brings up the pressure switch for the fuel pressure. I would like to know if there is any way of checking the switch. I beleave...
1971 Other European Silver Shado 6745CC caliper VIN: SRH9939000
Hi there, generally nice Silver Shadow, came in with left rear caliper sticking on(brakes very hot). upon inspection the left caliper-it has four pistons and two seperate lines. the upper two pistons would not move back, upon opening the upper bleed screw-both...
1998 Volkswagen Jetta GLX 2.8L MIL Lamp on VIN: 3VWTD81H4W
This 98 Jetta has a unique problem that we didn't see until recently, we actually have another car here which is the same year and engine doing the same thing. Only it's a GTI. Two faults set for bank 1 sensor 1 slow response and P0422; cat efficiency below th...
2001 Volkswagen Jetta GLS 1.8L temp gauge VIN: 3VWSD29M11
This car came in with a overheating problem. before anything I test drove the car, once the car warms up at a normal time frame the coolant gauge will peg and the warning light will come on and the chime will buzz. No big deal replace the thermostat and send i...
2001 Volkswagen Passat GLX 2.8L gauges inop. VIN: WVWRH63B01
We have an '01 Passat in the shop with intermittently inop. gauges. When inop. all gauges are affected. Our Ross Tech VAG-COM scan tool says there are no codes in engine or in instruments. Fuses test good. We attempted to get a scope pattern from the vehicle s...
1990 Volvo 740 2.3L No Start VIN: YV1FV875XL
Greetings,this volvo does not start because the fuel pump relay is not getting energized.I have changed the relay with a new one and I see that the yellow and black wire is controlled by the ecm to complete the ground to energize the relay how ever this is not...
1996 Volvo 850 GLT 2.4L Air Conditioning VIN: YV1LS5557T
Air conditioning has been working erratically with no pattern. Another shop diagnosed the problem as needing a new cooling fan relay. It was replaced, but there has been no improvement and the A/C continues to stop working at times.

Fixes & Summaries for European
Fix/Summary Answers
1997 Audi A4 2.8L timing belt VIN: WAUEA88D8V
Thanks for all the replies, I am happy that I did not start this job with out the tools they should be here at the end of the week. Thank you for all the help.
1997 BMW 540i 4.4L windows and door locks VIN: WBADE6323V
This car is fixed, the problem was in the sunroof control module. The P bus suppose to have )10 volts, and it had about 6.4volts, the P bus controls the the drivers door,passenger door, sunroof,power seats and the GM modules, start unhooking one at a time till...
1998 BMW 528i 2.8L asc/abs VIN: WBADP6332X
All guys were correct. It was an ABS/ASC Module (controller).When unhooked and codes cleared there were no more engine and transmission lights coming on.With all those codes for the engine and transmission I just needed some reassurance. Thank you. Jaroslav
1998 BMW 740iL 4.4L No Start, won't even crank VIN: WBAGJ8321W
Thanks for your help and here is a summary of the results: Several suggested a power problem to the EWS so we checked the fuses in the trunk and under the passenger's side carpet/insulator/seat. No power problem found, with some help we located the EWS modul... Trouble codes: 148.
1999 BMW 740i 4.4L blower motor VIN: WBAGG8336X
8 responses this quickly, thanks for the help. There are recirculate filters mounted high on each side of the HVAC case, I just couldn't see them until I took out the glove box on the right and duct work on the left side, both filters were completly clogged. A...
2001 BMW M5 5.0L Surge, Misfire, MIL Lamp on VIN: WBSDE93441
After testing and retesting,I decided to clean the mass air flow sensors since the car had a slight surge.Much to my surprise the misfire disapeared and the surge was gone.I'm not sure why the MAF would cause a misfire at high rpm only. Anyway thanks to all ... Trouble codes: P0301.
1994 Jaguar XJ6 4.0L Starter,Shift Lock
Owner did not authorize repairs.Central control module is what I believe is the problem.CCM located behind glove box.Cust. opted to wire around starter relay,in same spot,and shift lock relay,under pass. seat.Thanks to all.A lot of other things did not work ei...
1996 Jaguar XJ6 4.0L wipers VIN: SAJHX1248T
Well, techs jaguar wiring strickes again. I found the relays under a plastic panel on the left front of the car in front of the air cleaner. There are seven relays total four in a row the first two relays are for the wipers the first one is the on/off relay an...
2001 Porsche 911 Turbo 3.6L MIL Lamp on VIN: WP0AB29921
Not much of an answer here. The air cleaner was factory and not dirty. All I did was clean the MAF. Did not notice any difference in the idle values, however the car is still running perfect and the light has not come back on. It seemed the light came on most ... Trouble codes: P1128 (O2 sensor bank1), P1130 (O2 sensor bank 2).
1996 Volkswagen Jetta GL 2.0L no starter VIN: 3VWWA81H4T
thanks for replyies it turned out to be a bad new switch we got another switch and all is good hard to believe both switches did the same thing sorry it took so long to get back to you guys but we worked on this car off and on thanks again for your help! Rick
2001 Volkswagen Passat GLS 1.8L vibration in gear
thanks to all that replyed, never did find the problem,tryed a water injection to try and break up the corbon,but no luck and the mounts got them from vw. customer took car to dealer they said it needed mounts,cust says already been changed,dealers says mounts...
2002 Volvo S80 2.9 2.9L rear suspension VIN: YV1TS92D42
Well the customer picked-up the car before I was able to locate the exact problem. But I appreciate all the suggestions. Several recommended the rear sway bar links, but I couldn't find anything wrong there. When the car comes in next time I'll probably recomm...
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