The Audi A4 2.0 is generally a very reliable engine. They have had some problems with their high pressure fuel pumps and the associated camshaft drive lobe, but the motors themselves, like their 1.8l predecessors are pretty reliable. This particular engine was over reved and broke a rocker arm and dropped a valve down into…
These late model BMW’s 335’s seem to have a weak AC evaporator. We seldom see evaporator problems on cars this new but these models had a weak unit. Our local BMWdealer has 9 of these units in stock, so that tells you something. Unfortunately, this is not a simply repair. The first step is to evacuate…
This 2004 Mini Cooper came in with clutch problems. As is often the case with clutch problems it can be difficult to pinpoint exactly which part of the clutch and clutch release mechanism failed, but our trained Mini Cooper mechanics, know when something is wrong inside the clutch. In this case we removed the transmission…
Many people in Colorado with BMW X5 and X3 SUVs want to tow a small trailer or mount their bike or ski rack to the back of their vehicle. There are aftermarket trailer hitch kits for some of the years, but not all of them. The BMW factory trailer hitch is a great option and not as…
This customer came in with her 2007 BMW 328i complaining of smoke and a burning smell coming from her engine compartment. An inspection of her engine found that the plastic valve cover had deteriorated and was causing a large oil leak. Unlike many earlier cars where the valve cover gasket has failed and can be replaced, this…
DART auto has been involved in Porsche racing since the beginning, in fact it was owner Dave Banazek’s interest in racing that was the impetus to start DART auto. The Porsche SPEC Boxster class has been around for several years now and is growing in popularity. The class allows racers to have a lot of fun in…
This Volkswagen Jetta had a failing automatic transmission that was not shifting properly. Depending on the year and model transmissions may be available from the aftermarket, the original OEM manufacturer or from Volkswagen. In this case a VW factory rebuilt transmission was the best option based on cost, warranty, availability and quality.
This Porsche 964 Carrera 4 owner had continuing problems with his air conditioning system. He had been filling the system with freon every summer and was looking to have the problem finally resolved properly. We performed a vacuum test on his system but the leak was too small to detect. Similar results were obtained when…
Mini Cooper Timing Chain – Mini Repair Denver Mini engines have had some issues with timing chains since they first came out. We have serviced some of the older minis and replacing the timing components takes a little longer. The timing chain had not skipped timing at this point so there was no damage to the…
Audi S4 4.2L V8 Timing Chain Replacement – Audi Repair Denver This Audi S4 came in with camshaft timing errors in the ECU at around 100,000 miles. Tests revealed we had a problem with the camshaft timing and suspected boken timing chain guides. To repair the timing guides the engine must be removed. We ended up…